Dieter Kaiser wrote:
> I would like to suggest to improve the Maxima user function apropos.
> This is the last result of some work to get a working function apropos:
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
> ;;; Utility function to filter a list LST with a function FN
> ;;; e.g. (filter #'(lambda(x) (if (oddp x) x)) '(1 2 3 4 5 6 7)) --> (1
> 3 5 7)
>
I think this is called remove-if-not. :-)
Ray