<< linspace elementary functions log10 >>

log


Natural logarithm.


Syntax


R = log(M)

Input argument


M

a variable

Output argument


R

result of log: Natural logarithm.

Description


log computes the natural logarithm.

If input argument is a complex number or negative, log(z) computes log(abs(z)) + angle(z) * i.

Example


x = [1+i,-i;i,2i];
r = log(x)

See also


exp, abs, angle.

History


Version Description
1.0.0 initial version

Author


Allan CORNET

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