My Mathematica is a little rusty, so apologies in advance. I think my problem is quite simple, but I can't seem to find the answer on my own! Simple example : ...
Possible Duplicate: How to Combine Pattern Constraints and Default Values for Function Arguments First a simple example: define a function "add" with two arguments, and its second argument ...
I wrote this function to make a ListPlot where the points are colored by a third argument. ...
Below is a function intended to test if an expression is a polynomial in which all the coefficients and exponents are integers: ...
I'd like to define a function with several optional arguments, some of which default to the value supplied for other arguments. For example, I'd like to be able to write something like ...
EDIT: As several respondents have noted in the answers and comments below, the original example had a default value that would never be used because of the way patterns and default values are ...
I understand that the last call (f) returns True because arg does not exist and thus ...