trader_sub Vector Arithmetic Subtraction &reftitle.description; arraytrader_sub arrayreal0 arrayreal1 Calculates the vector subtraction of real1 from real0 and returns the resulting vector. &reftitle.parameters; real0 &trader.arg.array.of.real; real1 &trader.arg.array.of.real; &reftitle.returnvalues; Returns an array with calculated data or false on failure.