inequality#

Purpose#

Tests if two values are completely different (all elements differ), returning a scalar result.

y = a != b

param a:

Left operand.

type a:

matrix, vector, scalar, or string

param b:

Right operand.

type b:

matrix, vector, scalar, or string

return y:

1 if ALL elements of a differ from corresponding elements of b, 0 if any element is equal.

rtype y:

scalar

a = { 1, 2, 3 };
b = { 4, 5, 6 };
y = a != b;

y =    1.0000000

a = { 1, 2, 3 };
b = { 1, 2, 4 };
y = a != b;

y =    0.0000000

a = { 1, 2, 3 };
b = { 1, 2, 3 };
y = a != b;

y =    0.0000000

Returns 1 (true) only if ALL elements differ (no elements are equal).
Returns 0 if ANY element is equal between the two operands.
Note: != is NOT the logical negation of ==. The operator == returns 1 if all elements match, but != returns 1 only if NO elements match.
For element-by-element comparison, use .!=.