Easier with expressions

epostma — Sun, 29 Jan 2012 00:20:34 Z

Hi alix,

This type of thing is usually easier in Maple with expressions than with functions. If you have an expression

expr := x + 3;

then you can get the operands x and 3 using ?op:

op(expr)

will return x, 3. The function combining these to get expr back can be obtained with op(0, expr) ; it will return `+` in this case.

Things get a little complicated if there are data structures such as ?tables or ?Vectors involved, or indeed procedures such as in your example.

Hope this helps,

Erik Postma
Maplesoft.

Thanks you a lot for this accurate answer

alix — Sun, 29 Jan 2012 01:17:04 Z

Thanks you a lots for this accurate answer !

Alix