MATLAB Programming Fundamentals - MathWorks

Input Parser Validation Functions This topic shows ways to define validation functions that you pass to the Input Parser to chec ...

addRequired(p,'num',@checknum); parse(p,num); function TF = checknum(x) TF = false; if ~isscalar(x) error('Input is not scalar') ...

Debugging MATLAB Code “Debug a MATLAB Program” on page 22-2 “Set Breakpoints” on page 22-8 “Examine Values While Debugging” on ...

Debug a MATLAB Program To debug your MATLAB program graphically, use the Editor/Debugger. Alternatively, you can use debugging f ...

If an executable statement spans multiple lines, you can set a breakpoint at each line in that statement, even though the additi ...

For more information on using the Function Call Stack, see “Select Workspace” on page 22-15 Pause a Running File To pause the ex ...

The data tip stays in view until you move the pointer. If you have trouble getting the data tip to appear, click the line contai ...

(^1) While your code is paused, modify a part of the file that has not yet run. Breakpoints turn gray, indicating they are inval ...

Description Toolbar Button Function Alternative Execute the current line of the file. Step dbstep Execute the current line of th ...

Set Breakpoints In this section... “Standard Breakpoints” on page 22-9 “Conditional Breakpoints” on page 22-10 “Error Breakpoint ...

Standard Breakpoints A standard breakpoint pauses at a specified line in a file. To set a standard breakpoint click the breakpoi ...

To examine values at increments in a for loop, set the breakpoint within the loop, rather than at the start of the loop. If you ...

You also can set a conditional breakpoint programmatically using the dbstop function. For example, to add a conditional breakpoi ...

software pauses at the start of the line. Or, alternatively, you can set a breakpoint for each anonymous function in the line. W ...

There are unsaved changes in the file. To make breakpoints valid, save the file. The gray breakpoints become red, indicating th ...

dbclear in myprogram at 6 To clear all breakpoints in the file, right-click the breakpoint alley and select Clear All in File. Y ...

Examine Values While Debugging While your program is paused, you can view the value of any variable currently in the workspace. ...

details, double-click the variable. The Variables Editor opens, displaying the content for that variable. You also can use the o ...

To do this, position your mouse pointer over the variable. The current value of the variable appears in a data tip. The data tip ...

See Also Related Examples “Debug a MATLAB Program” on page 22-2 “Set Breakpoints” on page 22-8 22 Debugging MATLAB Code ...