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This is useful for writing data files in a format required by other applications.
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This method is useful when your data is not already in a computer readable form and you have to type them in anyway. Use your text editor to create a script M-file that enters your data as an explicit list of elements. This method is awkward for larger amounts of data because you can't edit your input if you make a mistake. If you have a small amount of data, say 10-15 elements, it is easy to type the data explicitly using brackets, "". Enter data as an explicit list of elements.Typing demo at the MATLAB prompt demonstrates some of MATLAB's capabilities and uses a menu called Expo. Type help who, help what and help which to find out details.įor additional help, you may try Matlab's site on the Internet at. Three other commands, who, what and which give information about variables, file and directories. This command is like using the index in a book and is similar to the UNIX apropos command (lookfor inverse). Often the names listed are functions, so help followed by one of these names provides detailed information about that feature (help eig).Ī more general information search is provided by lookfor. For a list of functions covered by a particular directory, type help followed by the directory name (help matfun). Other directories are for toolboxes these contain collections of additional MATLAB functions covering more specialized application areas. Some of the directories are associated with the base MATLAB itself they contain information about the functions that are built in the core MATLAB processor, or included M-files with every copy of MATLAB. Each line displayed lists the name of a directory followed by a description of the directory contents. The command help with no arguments displays a list of directories that contain MATLAB related files. Help FacilityĪ help facility provides on-line information for most MATLAB topics. When the external process completes, control returns to MATLAB. This is useful for running any UNIX utility or other program, without exiting from MATLAB. Use the exclamation point character "!" within MATLAB to indicate the input line is a command to the operating system. M-file is a record of how a problem was solved and automates command entry as well as allows user defined function that can be executed from the command line in the future. You can use a separate window for running the editor.
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M-files contain a series of MATLAB statements and these files are created and edited with text editors such as vi, Emacs, etc. Using EditorsĪs you become proficient with MATLAB, you will do an increasing amount of work with M-files. You can "smart recall" to recall a previous command whose first few characters you specify. The commands you enter during a MATLAB session are stored in a moderately sized input buffer. You can press key to move the cursor left, backspace to delete r and the r key to insert the r in the right place. Instead of retyping the entire line, press the "up" key. For example, if you misspell sqrt in the command To edit mistyped commands or recall previous command lines, you can use the arrow keys. When you press Return, MATLAB responds with: To enter a small matrix, place brackets around the data and separate the rows with semicolons: At this point, the MATLAB interpreter is awaiting instructions from you. If you have simply made an ssh connection, the MATLAB banner appears with the MATLAB prompt ">".
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If you have connected via X2Go you will be presented with the full Matlab GUI. To invoke MATLAB on the DECS Compute Servers enter the command matlab in a terminal window. Invoking MATLAB on the DECS Compute Servers Matlab may be acquired for any computer through the MSU Computer store, or can be installed on Engineering owned machines by DECS. MATLAB is available in the DECS Public Labs, Remote Desktop Services, and the DECS Compute Servers.