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Scilab Help >> Elementary Functions > Floating point > nextpow2

nextpow2

next higher power of 2.

Calling Sequence

t=nextpow2(x)

Arguments

x

real vector or matrix

p

integer vector or matrix

Description

If x is a scalar, nextpow2(x) returns the first p such that 2^p >= abs(x) .if x is a vector or a matrix nextpow2(x) applies element-wise.

Examples

nextpow2(127)
nextpow2(128)
nextpow2(0:10)

See Also

  • frexp — dissect floating-point numbers into base 2 exponent and mantissa
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Last updated:
Thu Oct 02 13:46:47 CEST 2014