Vocabulary/minus
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- y Negate
Rank 0 -- operates on individual atoms of y, producing a result of the same shape -- WHY IS THIS IMPORTANT?
Negates value of number y
- 0 1 2.2 3j4 4r5 _66 0 _1 _2.2 _3j_4 _0.8 66
Common Uses
Inverting the sign of a number.
- !55x NB. Negate factorial 55 (extended integer) _12696403353658275925965100847566516959580321051449436762275840000000000000 - 1j1 3r4 2p1 NB. Negate complex, rational, two pi _1j_1 _0.75 _6.28319
Related Primitives
Negative Sign (_)
x - y Minus
Rank 0 0 -- operates on individual atoms of x and y, producing a result of the same shape -- WHY IS THIS IMPORTANT?
Subtracts the value of y from x
0 1 2.2 3j4 4r5 66 - 2 _2 _1 0.2 1j4 _1.2 64
The verb Minus (-) differs from the noun decorator Negative Sign (_) e.g. as in 2 3 _5 7
The following subtracts the two-element vector 5 7 from the two-element vector 2 3 , returning a pair of negative values
2 3 -5 7 _3 _4
Common Uses
Subtraction per the rules of arithmetic.
_9 _1 0 1 5 10 - _4 4 99 1 2 3 _5 _5 _99 0 3 7
Example with complex numbers: XjY - ZjW is (X-Z)j(Y-W) .
5j5 1j1 1j1 _2j3 _4j_5 - 1j1 1 0j1 0j2 _10j_10 4j4 0j1 1 _2j1 6j5