| Group: | Matrix Manipulation |
| Topic: | General Commands |
| See also: | [] index matrix |
| Function: | paf | |
| Description: | paf selects rows of an object depending on a given vector. All elements of the first argument are taken if the corresponding vector element is unequal to 0. Otherwise they are dropped. |
| Usage: | z = paf (x, ind) | |
| Input: | ||
| x | d1 x ... x dn array | |
| ind | d1 x 1 vector | |
| Output: | ||
| z | k x d2 x ... x dn array where k=sum_i ind_i | |
randomize(0) x=uniform(10) paf(x, x>0.5)
Contents of paf [1,] 0.60488 [2,] 0.61585