XploRe Help : while

Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Group:	Flow Control
See also:	do endo until

Function:		while
Description:		while begins a loop if the first element of the argument is true. while has to be followed by an endo.

Usage:	`while (cond) <xplore commands> endo`
Input:
	`cond`	n x 1 vector of condition

Note:

Even if the condition is a multidimensional array only the first element is checked for TRUE (!=0) or FALSE (==0)

Example:

proc(j) = factorial(x) j = 1 while(x >= 2) j = j * x x = x - 1 endo endp factorial(5)

Result:

Contents of j


[1,]      120