(n.) The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.
Example Sentences:
(1) These models are variants of the general Wiener-Bose model, adapted to this problem as to represent the nonlinear dynamics of neural signal transformation using a set of parallel filters (neuron modes) followed by a binary operator with multiple real-valued operands (equal in number to the number of modes).
(2) Six cholecyst-hepatic, nine cholecyst-hepatic-choledochic, and three cholecyst-choledochic spontaneous fistulae were observed in subjects (89% females) aged 28-76 (average 52) yr, forming 0.9% of a series of bile duct operands.
(3) In the same laboratory eight other males per group were trained in a discrete trial spatial alternation schedule, using lever press as operand.
(4) There, "causal mutational operators" remain unspecified; only consistent single-valued DNA base and amino acid change, as "transform operand", are made explicit.
(5) In one of these laboratories 12-13 males and females per group (one of each per litter) were tested in a visual discrimination reversal schedule, using nose-poking as operand.