Combinations and permutations: Difference between revisions

Content deleted Content added

Inline

@@ Line 524: / Line 524: @@
 <lang J>C=: !
-P=: (<: * (*/@}. 1+i.))"0</lang>
+P=: (%&!&x:~ * <:)"0</lang>
-C is a primitive, but we will give it a name for this task. P could be defined using %&!~ but that approach would overflow for large arguments even when the result would have been representable.
+C is a primitive, but we will give it a name for this task.
 Example use: