Is it possible to separately call the default value of a variable which isn't at the end of the sequence?
After reading this post I recalled an old question I once met. We know that we can set default values for variables of a function: ...
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 ...
Below is a function intended to test if an expression is a polynomial in which all the coefficients and exponents are integers: ...
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 ...