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reciprocal

Reciprocal of a number

reciprocal x    reciprocal[x]

Returns the reciprocal of numeric x as a float.

q)reciprocal 0 0w 0n 3 10
0w 0 0n 0.3333333 0.1
q)reciprocal 1b
1f

Implicit iteration

reciprocal is an atomic function.

q)reciprocal (12;13 14)
0.08333333
0.07692308 0.07142857

q)k:`k xkey update k:`abc`def`ghi from t:flip d:`a`b!(10 21 3;4 5 6)

q)reciprocal d
a| 0.1  0.04761905 0.3333333
b| 0.25 0.2        0.1666667

q)reciprocal t
a          b
--------------------
0.1        0.25
0.04761905 0.2
0.3333333  0.1666667

q)reciprocal k
k  | a          b
---| --------------------
abc| 0.1        0.25
def| 0.04761905 0.2
ghi| 0.3333333  0.1666667

Domain and range

domain b g x h i j e f c s p m d z n u v t
range  f . f f f f f f f . p f f z f f f f

Range: fpz


div, Divide
Mathematics

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