setParameterDefault

Simple function to set the default value for an optional function argument if omitted or empty.

%Example:
function y = f(x,t)
setParameterDefault('x',1);
setParameterDefault('t',3);
y = 3*x-2*t;

try:
f('', 1); -> x=1 -> y = 1
f(2); -> t=3 -> y = 0
f('', []); -> x=1, t=3 -> y = -3