You can define a second function in a file, with the constraint that it can only be used by the main function (I think). The following could happily go in one f

You can define a second function in a file, with the constraint that it can only be used by the main function (I think). The following could happily go in one file named foo.m: function rtn = foo(x) rtn = bar(x) + 1 function rtn = bar(x) rtn = x^2