Base 2 Power
Power with base 2.
pow2(f, e)
f |
numeric vector of factors |
e |
numeric vector of exponents for base 2 |
Computes the expression f * 2^e, setting e to f
and f to 1 in case e is missing.
Complex values are only processed if e is missing.
Returns a numeric vector computing f\,2^e.
pow2(c(0, 1, 2, 3)) #=> 1 2 4 8 pow2(c(0, -1, 2, 3), c(0,1,-2,3)) #=> 0.0 -2.0 0.5 24.0 pow2(1i) #=> 0.7692389+0.6389613i
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