, from an oscilloscope). Learn more about object handling in cell, remove element. If MATLAB cannot be uninstalled using the uninstaller or by removing MATLAB with 5. Note: Structure field names must begin with a letter, and are case-sensitive. How to remove rows that meet a condition?. matlab Wave function - Wikipedia, the free encyclopedia (a ball attached to a spring ) in classical mechanics (A-B) and quantum mechanics (C-H). Assume you previously installed two apps, setslider and simplegui. It has been reported that Matlab version 2016b works fine. Learn more about xticklabel I have a y axis with labels on the y axis -1 -0. A progress bar shows you how long it will take to remove MATLAB Compiler Runtime. Aside from removing the installation of MATLAB, you can remove the MATLAB entries from the Windows System Path. The configureOpenSim. MATLAB displays only one legend per axes. However, most of them are familiar with Excel. We also provide online training, help in technical assignments and do freelance projects. The text above is not a recommendation to uninstall MATLAB Runtime 9. The harmonics present in the system is studied and reduced by suitable harmonic reduction techniques using MATLAB Simulink. For symmetry properties, odd-length filters are practical. I have a Matrix of 400 rows and 40 columns. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer. Thus, I do the heavy lifting in MATLAB, such as aggregating millions of records from a database, or complex set analysis, and export the results to Excel so they can see it, manipulate it, or pivot it out in Excel. Any suggestions?It is not necessary to uninstall older releases of MATLAB to install a new release of MATLAB. Simulink is a graphical extension to MATLAB for modeling and simulation of systems. Each toolbox will also have an "Uninstall" button on it. If you wanted to do it quickly and informally, you could do it based on standard deviation from the mean- e. It belongs to the software Matlab family of products or Matlab R2006a or Matlab R2006b or by Mathwork. I typed the following in the command window, e. The Octave interpreter can be run in GUI mode, as a console, or invoked as part of a shell script. MATLAB ® removes all files corresponding to the app and removes the app from the app gallery. We have already discussed vectors and matrices. An object connected to the instrument has a Status property value of open. newStr = erase(str,match) deletes all occurrences of match in str. 2007), that can be used to fit any curve to data. How can I do it with the System Identification Toolbox of MATLAB? Moreover, how can I estimate the cutoff frequency to remove the noise? EDIT: As suggested, here below are the sampled data plot. MATLAB is a multi-paradigm numerical computing environment and programming language developed by MathWorks. permutations of a matrix. ISO file as a source then extract it with 'isoopener_setup. ie X = [5 7 2 2]. You can omit the parentheses and specify subplot as. More Octave examples can be found in the wiki. Choose to start deactivation after running the uninstaller. Specify multiple fields using a cell array of character vectors or a string array. Using MATLAB Profiler to remove function overheads As we could see in the previous post , there can be a huge amount of overhead in some MATLAB functions. From the list of products displayed, click MATLAB R2018b. exe application is detected by my Kaspersky antivirus as a virus everytime i start up my laptop which is very irritating. For example, create a 4-by-4 matrix and remove the second row. This will re-create uninstall. Related MATLAB, Maple, Mathematica, LaTeX, Etc News on Phys. For a complete list of Keyboard Constants follow this link: docs KeyEvent. How to remove negative numbers in an array in Matlab? lets say a function X outputs an array X = [5 7 2 -3 2 -8 -1]. Setting this property on an existing line object has no effect. exe and should allow you to uninstall once complete 2) Manually delete the MATLAB installation folder. rmdir folderName s also attempts to remove all subfolders and files in folderName, regardless of their write permissions. We also provide Tutors for Matlab. As you can see the voltage inputs looks good, but the temperature outputs are affect of noise. Behind all that complicated mathematics, there is a simple logic. تفعيل برنامج الماتلاب 2014 اصلاح مشكلة التفعيل في الماتلاب اصلاح مشكلة عدم فتح الماتلاب رابط التحميل Download link. Hi I have a problem writing this with Matlab. oldcats — Categories to remove character vector | cell array of character vectors | string array Categories to remove, specified as a character vector, a cell array of character vectors, or a string array. Information about the toolbox to uninstall, specified as a structure. Donn will present a series of articles about UDD classes and objects, on which many undocumented Matlab features and functions are based. i'm using basic graphics on matlab where i use text(x,y,'text as string') to display text on a plot. Like many others, I have csv file where the first rows (in my case 10 rows) containing text (or are empty), and hence I haven't find a way to figure how to import the file. Matlab was designed for dealing with numbers, not strings. after that (2)install the MINGW-Support-package again, but, now UNCHECK the -check for updates box. It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutions are expressed in common mathematical notation. The result for read-only files follows the practices of the operating system. dll' submission on the MATLAB Central File Exchange to do this on a Windows platform. Locate MATLAB in the list of available programs, select it, and click uninstall. To load a wave (PCM) audio file, Matlab provides the function wavread:. Learn more about image processing, image analysis, image segmentation MATLAB. The functions are usually very generic and can handle lots of different argument types. If you are not able to uninstall it from Control Panel then, try to uninstall it from Program file of C drive. How to remove a specific object from cell. When the file is run, MATLAB reads the commands and executes them exactly as it would if you had typed each command sequentially at the MATLAB prompt. Uninstall the simplegui app. Select MATLAB R2018b from the list of products and click Change/Remove. Choose to start deactivation after a validation check that finds the installation is inactive. Symbolic Math in Matlab. Woods, Steven L. 2) Manually delete the MATLAB installation folder. I'm looking to remove a region from images. Learn more about statistics, data MATLAB. Matlab R2015a and All Versions X64, x86 Crack and Serial Key Download MATLAB. MATLAB 0:36 запуск eeglab 1:00 загрузка данных 1:35 запуск фильтрации 0. I realized that many of the postings in the group were about how to manipulate arrays efciently , which was something I had a great interest in. The handle of the object whose CreateFcn is being executed is accessible only through the root CallbackObject property, which you can query using gcbo. Download Matlab Guide To Finite Elements An Interactive Approach 2008 by Veronica 4. 0 Comments. MATLAB's plotting commands include the "grid on" option, which places a certain number of grid lines on your plot. See more further data Avril Lavigne - Head Above Water (Vinyl) best deals, discount Avril Lavigne - Head Above Water (Vinyl) on the market on-line – Get it Now!. (Optional) Choose whether to delete download. In the case of MATLAB, array size does not need to be specified when the variable is created. For example, I'd like to use freehand as shown in the image and delete that portion of the image, i. I was not able to find it. In this chapter, we will discuss multidimensional arrays. Start the uninstaller, using any of the following methods. dll' submission on the MATLAB Central File Exchange to do this on a Windows platform. If you are using a version of MATLAB prior to version 7. Using MATLAB, we can solve technical computing problems faster than with traditional programming languages, such as C, C++, and Fortran. MATLAB R2016a Uninstall 1 answer So I accidentally install matlab on my machine and now I when I try to uninstall matlab, it asks me for the location and it doesn't work even if I use correct path. Here it goes:make a new vector for examlpe t=[A(1:4) A(6)] and since ur post dates from 2009, by now u have drop matlab or learn how to use it and u can tell me the answer. Stop the license manager as described below. You can omit the parentheses and specify subplot as. newStr = erase(str,match) deletes all occurrences of match in str. MATLAB's plotting commands include the "grid on" option, which places a certain number of grid lines on your plot. installedToolboxes function, and it has the following fields. Any lines you type Matlab will execute as commands as if you were entering them in on the screen. I have tried many ways and nothing is working. Web resources about - function to remove space from a string - comp. Make two function: In the first there are all terms that are multiplied by dx, dy, dt and in the other, the other terms. Hello everybody! I want to attenuate the signal between 10 and 20 seconds (Fig1). Learn more about statistics, data MATLAB. Audio Processing in Matlab Matlab is widely used environment for signal processing and analysis. If you can't uninstall a program by using the standard method, try modifying the Windows registry and deleting the relevant files (only recommended for advanced computer users) or use a professional third-party uninstaller. Learn more about background correction, background subtraction Image Processing Toolbox. As you can see the voltage inputs looks good, but the temperature outputs are affect of noise. I'm reading in the standard Lenna image and adding salt & pepper noise to it, then taking the FFT of it however I'm completely stumped when it comes to trying to remove the noise and then take the inverse fourier transform to get the image without any noise. exe is an executable file developed by Mathworks Inc. Remove elements from an array. shown in picture). Abstract—This paper deals with the study and analysis of ECG signal processing by means of MATLAB tool effectively. Learn more about matlab, peaks MATLAB. I realized that many of the postings in the group were about how to manipulate arrays efciently , which was something I had a great interest in. MATLAB is an interactive system whose basic data type is the array or matrix. Kolhapur is considered for study and modeling using MATLAB Simulink. To remove multiple key-value pairs, specify keySet as a cell array—even when you specify the keys as numeric scalars or strings. For some reason, Matlab doesn't like when I concatenate the plots. It is still unstable! The response takes much longer to blow up, so we have almost canceled the effect, but almost is not good enough when considering stability. When you find the program MATLAB(R) Compiler Runtime 7. , turn it in to white because some unpredictable regions like that are troublesome. All variables of all data types in MATLAB are multidimensional arrays. Deactivating an installation renders the MathWorks ® software unusable on a particular computer. In R8 (Matlab 5. From the list of products displayed, click MATLAB R2018b. How to Remove “Matlab. Name of folder to remove from the search path, specified as a character vector or string scalar. I accidentally changed my name in MATLAB and now it won't recognize it because the names are different so I'm trying to uninstall the program so I can change it back but it's not working. i saw away to do that in mathematica by first identfying these white. AppZapper is the most well-known; I use AppTrap, which is a free and IMHO better alternative. Get the inside view on MATLAB and Simulink Insights and information from the engineers who design, build and support MathWorks products Subscribe to All Blogs Meet the Bloggers. Matlab help file explains the usage and other details about the commands like fft,sin and so on. The structure is an element of the structure array returned by the matlab. How to remove zeros from an array?. 0 but the values on the right one are different? I want to save the row with 19. In particular we assume that you know how to create vectors and matrices and know how to index into them. MATLAB ® removes all files corresponding to the app and removes the app from the app gallery. Windows has its own way to install software, so that Ubuntu with its own way. Learn more about matrices, linear algebra, linear systems, structural engineering, permutations, matrix algebra, binary, combinations. EDIT: There might be other files related to your Matlab installation (as suggested here). Learn more about remove, elements from array, store in a different array it's still a key portion of Matlab syntax. Since a lot of geologic data is naturally of more than one dimension, we have use for these capabilities. If you are not able to uninstall it from Control Panel then, try to uninstall it from Program file of C drive. MATLAB will setup the environment for you, with the right version of the compiler. How to add and remove noise from signal using MATLAB filtering in matlab. I want to calculate the average of these numbers and after that, only keep numbers that are equal to or larger than the average. It can be used for machine learning, signal processing, image processing, computer vision, communications, computational finance, control design, robotics, and much more. Some of the primary differences between futures io and other trading sites revolve around the standards of our community. Like many others, I have csv file where the first rows (in my case 10 rows) containing text (or are empty), and hence I haven't find a way to figure how to import the file. Here, I use this feature to stop a long running script to confirm it is working correctly. Thank you for watching - I really appreciate it :) ⚑ ABOUT MY CHANNEL ⚑ This channel is a collection of. here i saw you how to uninstall mathlab program. , turn it in to white because some unpredictable regions like that are troublesome. installedToolboxes function, and it has the following fields. Each toolbox will also have an "Uninstall" button on it. bekhabar का अंग्रेजी में मतलब. matlab) submitted 6 years ago by plumpynutt As the title says, im trying to design a filter in matlab which will remove the noise from the signal so that a clear waveform can be seen. Learn more about removing, nan, matrix, column, row. To remove obj from memory, use the delete function. As you can see the voltage inputs looks good, but the temperature outputs are affect of noise. The licensing with MathWorks for MATLAB is negotiated by Central IT every September. Instructions to Uninstall MATLAB Compiler Runtime. i'm using basic graphics on matlab where i use text(x,y,'text as string') to display text on a plot. In the Uninstall Products dialog box, select the products you want to remove and click Uninstall. bekhabar ka Matlab Angrezi me janiye. 5 I want to remove the. There are basically three approaches seen here: Put the elements into a hash table which does not allow duplicates. exe application is detected by my Kaspersky antivirus as a virus everytime i start up my laptop which is very irritating. Web resources about - remove row if contains NaN - comp. MATLAB will setup the environment for you, with the right version of the compiler. Jhon, you have to (1)uninstall the Support Package form the addOns-manager. 2) Manually delete the MATLAB installation folder. In R8 (Matlab 5. The configureOpenSim. installedToolboxes function, and it has the following fields. remove rows from a matrix on a specific condition. تفعيل برنامج الماتلاب 2014 اصلاح مشكلة التفعيل في الماتلاب اصلاح مشكلة عدم فتح الماتلاب رابط التحميل Download link. Learn more about removing, nan, matrix, column, row. Removing specific characters in a string?. This MATLAB function uninstalls the specified toolbox. For more information: See Making Efficient Use of Memory in the MATLAB "Programming and Data Types" documentation. How can I remove matlab on Ubuntu 14. Psychtoolbox-3. You can buy Avril Lavigne - Head Above Water (Vinyl) greatest price with free shipping. Hot Network Questions. Matlab R2015a and All Versions X64, x86 Crack and Serial Key Download MATLAB. Specify multiple fields using a cell array of character vectors or a string array. I prefer, however, to keep this environment string shorter. This will re-create uninstall. If you stored your previous MATLAB work in the default folder, which is C:\MATLAB\work, then you need to save these files to a folder in your "My Documents" folder. I have another vector with index positions of elements I want to remove from this vector. I want to remove NaN and Zeros rows completely. Remove white space from figures in MATLAB August 17, 2011 adin Leave a comment Go to comments Today I was struggling again with those annoying white spaces around the figures in MATLAB when you convert the figure to EPS, TIFF, PNG, JPEG or any other format. How to remove zeros from an array?. Median filtering is a natural way to eliminate them. Start the deactivation application using any of the following methods. To fix this either use some sort of force uninstall software which would take care of the registry issues. Download with Google Download with Facebook or download with email. How do I remove elements at a set of indices in a vector in MATLAB. Matlab allows you to create symbolic math expressions. MATLAB is a multi-paradigm numerical computing environment and programming language developed by MathWorks. uninstall(appid) removes the app specified by the unique identifier, appid. This will display a list of all the toolboxes you have installed. Watch Queue Queue. How to remove column from matlab table?. depends on the image and the background ,there are various algorithms for this , you can search “segmentation” on google. The harmonics present in the system is studied and reduced by suitable harmonic reduction techniques using MATLAB Simulink. I dunno the math definition of ECG signal, but u must be able to generate it wit matlab. The text above is not a recommendation to uninstall MATLAB Runtime 9. This syntax allows you to use a combination of variable names, wild card characters, or regular expressions to specify variables to remove or keep. Setting up matlab-support (0. However all code example that I found collapse the matrix to a vector, which is not what I want. during the installation or MATLAB fails at startup after the installation is complete, maybe you are trying to install a 32-bit version of MATLAB on a 64-bit system because you have the student version or for whatever reason (see Important Note Regarding Student version and How To Install 32-bit MATLAB on 64-bit system). Stop the license manager as described below. This page only contains detailed info on how to uninstall MATLAB Runtime 9. by Abdul-Wahab April 25, 2019 Abdul-Wahab April 25, 2019. Freelance Best Makeup & Hair Artist in Jaipur with huge experience and Specialization in Bridal and Wedding Makeup,Celebrity Makeup,Professional Makeup,Creative Makeup,Bollywood Makeup and Character Makeup in Delhi,Jaipur,Rajasthan. Matlab get installed on users' computers for intentional or unintentional purposes, and users may also uninstall it for different personal reasons. It seems MATLAB programmers do silly in this case! In some case e. Learn more about array, zero, zeros, deleting, organizing, matrix. $\endgroup$ – tdc Jan 26 '12 at 13:53. Matlab - NaN and Inf Introduction. "MsiRevolution" This site is completely related to the application packaging. After all your previous work files has been moved, uninstall MATLAB using the "Control Panel" -> "Add and Remove Programs" MATLAB Release 2007b Installation Instructions. Automatically uninstall Matlab with MacRemover (recommended): No doubt that uninstalling programs in Mac system has been much simpler than in Windows system. Structures are created and accessed in a manner familiar for those accustomed to programming in C. Eddins] on Amazon. exe from the $MATLAB\uninstall directory to uninstall MATLAB. It is like a tricky virus breaking into your PC and taking root on your hard drive. These sort of errors are generally due to damaged registry keys. The file is called by Matlab, and it constructs a second derivative finite difference matrix with boundary conditions. clearvars -except keepVariables removes all variables, except for those specified by keepVariables. This will display a list of all the toolboxes you have installed. Deleting the older Matlab's. MATLAB allows matrix manipp,ulations, ppglotting of functionsanddata,andimplementationofalgorithms Gettinghelp You can get help by typing the commands helpor lookforat the>> prompt,e. I have also successfully installed the latest version of JDK ( Version 7 Update 9). Hello everybody! I want to attenuate the signal between 10 and 20 seconds (Fig1). Duplicate or Remove current line. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer. Since a lot of geologic data is naturally of more than one dimension, we have use for these capabilities. It has been reported that Matlab version 2016b works fine. Hot Network Questions. EEGLAB is an interactive Matlab toolbox for processing continuous and event-related EEG, MEG and other electrophysiological data incorporating independent component analysis (ICA), time/frequency analysis, artifact rejection, event-related statistics, and several useful modes of visualization of the averaged and single-trial data. 4 or later runtime from gstreamer. Gonzalez (2009-05-03) [Rafael C. The newplot function provides an easy way to handle the NextPlot property. If you are not able to uninstall it from Control Panel then, try to uninstall it from Program file of C drive. This will display a list of all the toolboxes you have installed. The functions are usually very generic and can handle lots of different argument types. newStr = erase(str,match) deletes all occurrences of match in str. Thus, I do the heavy lifting in MATLAB, such as aggregating millions of records from a database, or complex set analysis, and export the results to Excel so they can see it, manipulate it, or pivot it out in Excel. A riskier route which I don't suggest is to open the registry using the regedit command, and delete all keys which contain the word matlab. At the Matlab prompt, all you need to do is type simpleprogramand it will execute the statements. Web resources about - remove row if contains NaN - comp. Available to faculty, staff, and students for use on both personal and GT owned computers. Get the inside view on MATLAB and Simulink Insights and information from the engineers who design, build and support MathWorks products Subscribe to All Blogs Meet the Bloggers. Example: 'c:\matlab\work'. Situation : array contains (100, 90, 80, 4, 2, 200) for example. The structure is an element of the structure array returned by the matlab. Hi there! Having some trouble when using the FFT and its inverse when trying to filter out noise. For example, if A is a 3-by-1-by-1-by-2 array, then squeeze(A) returns a 3-by-2 matrix. Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlab and GNU Octave functions for vision and neuroscience research. but I am no expert in MATLAB (far from it). But now i hardly open it and considering to uninstall the program plus the matlab. EDIT: There might be other files related to your Matlab installation (as suggested here). The community is one of the friendliest you will find on any subject, with members going out of their way to help others. To remove shadow properly, average frame is computed. See Declaring Structures for more details. Therefore, elements of B, whose values correspond to oldcats, are undefined. The harmonics present in the system is studied and reduced by suitable harmonic reduction techniques using MATLAB Simulink. Learn more about matlab, peaks MATLAB. In this chapter, we will discuss multidimensional arrays. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel , and then, under Programs , do one of the following:. MATLAB Program to remove noise from Audio signal 10:58 Electronics , MATLAB Videos This is the simple code using low pass , High pass, Band pass to remove noise from AUDIO. matlab version numbers. All variables of all data types in MATLAB are multidimensional arrays. is there a way to REMOVE this text? I tried overwriting it with ' ' and making the color white, font size 0, but none of these will remove the text. 1- download latest java version and install it. shown in picture). Remove the leading white-space characters (spaces and tabs) from str: str = sprintf(' \t Remove leading white-space') str = Remove leading white-space str = strtrim(str) str = Remove leading white-space Remove leading and trailing white-space from the cell array of strings:. You can enter a command by typing it at the MATLAB prompt '>>' on the Command Window. Automatically uninstall Matlab with MacRemover (recommended): No doubt that uninstalling programs in Mac system has been much simpler than in Windows system. I want to remove all empty cells at the bottom of a matlab cell array. Use this form when the filename is stored in a string. In order to find them, you need to estimate the probably distribution of your data, and fit a distribution (say for example Gaussian), and check whether it is statistically significant (you may use Kolmogorov–Smirnov test or a bootstrap method). For most data sets i put into the code, there are no such outliers. B = squeeze(A) returns an array with the same elements as the input array A, but with dimensions of length 1 removed. Fortunately, Matlab usually exposes the internal objects that we can customize and which enable these extra features, in hidden properties of the top-level graphics handle. For example, if A is a 3-by-1-by-1-by-2 array, then squeeze(A) returns a 3-by-2 matrix. Stop the license manager as described below. How to remove axis in MATLAB. As a work around, keep the computer in a clean boot status, try to uninstall the MATLAB R2010a and check. How to remove a specific object from cell. This MATLAB function removes all consecutive whitespace characters from the beginning and end of str, and returns the result as newStr. Unfortunately, MATLAB does not innately have functions to do common string operations in some other languages such as string splitting. We will learn how to use both of MATLAB's loop constructs: the for-loop and the while-loop. To remove NaN and Inf elements from a vector m you can use. Forgive me if this question has already been answered. However, before that, let us discuss some special types of arrays. This will display a list of all the toolboxes you have installed. Note: Structure field names must begin with a letter, and are case-sensitive. I'm looking to remove a region from images. However, if you don't like the choice of placement, linestyle, coloring, or the number of grid lines, changing these features, while possible, requires an. Remove points with NaN and Inf values from the point cloud. Click Start -> Matlab -> Uninstall. But the length of the signal is usually not a criterion. In the Uninstall Products dialog box, select the products you want to remove and click Uninstall. Using Matlab on campus! Georgia Tech licenses MATLAB, Simulink, and toolboxes The MATLAB Total Academic Headcount (TAH) license:. I can't uninstall matlab from my Ubuntu 14. Learn more about xticklabel I have a y axis with labels on the y axis -1 -0. In MATLAB, you create a matrix by entering elements in each row as comma or space delimited numbers and using semicolons to mark the end of each row. How do I remove elements at a set of indices in a vector in MATLAB. 4 or later runtime from gstreamer. m file will detect any installations of OpenSim that were previously configured with MATLAB, and will "remove" them from MATLAB (the other OpenSim installations are not deleted, they are simply no longer configured with MATLAB). If the download fails, read below on Download Problems. Available to faculty, staff, and students for use on both personal and GT owned computers. Locate MATLAB in the list of available programs, select it, and click uninstall. Learn more about matlab function string, homework im sorry but i have only been working with matlab for the past 2 days. I'm looking to remove a region from images. In the Control Panel, select Uninstall a Program in the Programs category. The Student version of Matlab cannot be installed on any faculty computer or any computer that is UC-owned including research and computer labs. This will re-create uninstall. (On some 64 bit computers, you will need to go to the BIN\WIN64 folder and run setup from there. I am looking for a way to remove the NaN numbers from a matrix in MATLAB efficiently (i. Learn more about Teams. How to remove/rename part of a file name in a Learn more about rename, files, images, loop. I'm reading in the standard Lenna image and adding salt & pepper noise to it, then taking the FFT of it however I'm completely stumped when it comes to trying to remove the noise and then take the inverse fourier transform to get the image without any noise. Faculty, students and staff may license MATLAB for use on their computers. If the download fails, read below on Download Problems. Name of folder to remove from the search path, specified as a character vector or string scalar. B = squeeze(A) returns an array with the same elements as the input array A, but with dimensions of length 1 removed. Took a me a little bit to figure out how to make a color bar in matlab without tick marks. How to remove zeros from an array?. abs(a-mean(a))>N*std(a) where N is the multiple of the standard deviation. Learn more about array, zero, zeros, deleting, organizing, matrix. This MATLAB function uninstalls the specified toolbox. exe' After extracting we will get files and folders as mentioned below. GRIDLINES, a MATLAB library which draws grid lines on MATLAB plots. At the Matlab prompt, all you need to do is type simpleprogramand it will execute the statements. Select MATLAB R2018b from the list of products and click Change/Remove. Hence, as the name suggests, here you play around with matrices. app file from your Applications folder should be all you need to do.