<< ndims

Elementary functions

norm >>

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nextpow2

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Exponent of next higher power of 2

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Syntax

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R = nextpow2(M)

Input argument

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M

a variable

Output argument

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R

result of nextpow2: next higher power of 2.

Description

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if M is a vector or a matrix nextpow2(M) applies element-wise.

If M is a scalar, nextpow2(M) returns the first p such that 2^p >= abs(M).

Example

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R = nextpow2([10, Inf, 30, -Inf, 90, NaN])
M = uint32([1020 4000 32700]);
R = nextpow2(M)

See also

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pow2, log2.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET