not === (~) logical not Calling Sequence ~~~~~~~~~~~~~~~~ :: ~A Description ~~~~~~~~~~~ `~A` gives the element-wise negation of the elements of the boolean matrix `A`. Examples ~~~~~~~~ :: ~[%t %t %f] See Also ~~~~~~~~ + `and`_ logical AND of the elements of an array + `or`_ logical OR of the elements of an array + `find`_ find indices of boolean vector or matrix true elements .. _find: find.html .. _and: and.html .. _or: or.html