I'm reading through a very large existing code, and rather than trying to step line by line (which is what I'm currently doing), it would be helpful if there was a way for Matlab to tell me that some variable is called or interacted in some way....
Check if variable exists in workspace to plot... Learn more about gui, error, check variable, exist, workspace, errordlg, if statement MATLAB
See Matlab start options e.g. for Win or Linux. Depending on that, I want to go to the last working dir or not. So far, my startup.m overrides the -sd request. startup.m %% go to last working dir if ispref('StartupDirectory','LastWorkingDirecto...
The Code Analyzer does not always indicate scoping issues because sharing a variable across functions is not an error—it may be your intent. Use MATLAB® function and variable highlighting features to identify when and where your code uses functions and variables. If you have an active Internet...
First, we define a function calledIf_TextFileEmpty()and create a variable calledmy_fileinside the function. We will call thePath()class and define a file’s path; we putrbefore the string to avoid a unicode error. my_file=Path(r"C:\Users\Dell\Desktop\demo\files\Mytextfile.txt") ...
Use theischar()Function to Check if a Variable Is of a Specific Type in MATLAB When you have a specific need to check if a variable is of character type in MATLAB, theischar()functionis a reliable choice. This function returns a logical value, indicating whether the variable is a charac...
0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MATLAB does not have access,existreturns 0. 1—nameis a variable in the workspace. 2—nameis a file with extension.m,.mlx, or.mlapp, ornameis the name of a file ...
Check If MATLAB Function Is Built-In Function Copy Code Copy Command Check whether the plot function is a built-in function or a file. Get A = exist('plot') A = 5 This indicates that plot is a built-in MATLAB function.Input Arguments collapse all name— Name of variable, script, ...
varName—Name of input variable string scalar|character vector Name of input variable to validate, specified as a string scalar or character vector. If you specify an empty character vector''or the<missing>string, then thevalidatestringfunction ignores thevarNameinput. ...
If you want to find out whether a specific sheet exists in an Excel file, just modify the Sub, pass in a String parameter name, that is the name of the sheet, and then compare whether the sheet name is equal each time you get it in the Sub. prettyprint 複製 Public Class Form1 ...