Display or return current debugging function stack information. With optional argument n, omit the n innermost stack frames.
The optional return argument stack is a struct array with the following fields:
- file
- The name of the m-file where the function code is located.
- name
- The name of the function with a breakpoint.
- line
- The line number of an active breakpoint.
- column
- The column number of the line where the breakpoint begins.
- scope
- Undocumented.
- context
- Undocumented.
The return argument idx specifies which element of the stack struct array is currently active.