inputname

Variable name of a function argument from the caller’s perspective.

Syntax

sname = inputname(argindex)

Description

Inside a function body, returns the name of the variable that was passed as argument argindex. Returns an empty string if the argument was a literal expression rather than a named variable.

Example

function showname(x); fprintf('arg name: %s\n', inputname(1)); end

See also

• nargin — Number of input arguments passed to the current function.
• nargchk — Validate the number of input arguments.