isValid
Syntax
isValid(X)
Arguments
X is a scalar/vector/matrix.
Details
Determine if each element of X is NULL. Return true if at least one element is not NULL and false otherwise.
Examples
isValid(00i);
// output
false
isValid(1 NULL NULL 6 NULL 7);
// output
[true,false,false,true,false,true]
isValid(1/0);
// output
false