log - Natural logarithm
Syntax
Y = log(X)
Description
The log function operates element-wise on arrays.
Its domain includes complex and negative numbers, which may lead to unexpected
results if used unintentionally.
Y = log(X) returns the natural
logarithm of the elements of X. For complex or negative
, where
, the complex logarithm is returned.
log(z) = log(abs(z)) + i*atan2(y,x)
Examples
The statement abs(log(-1)) is
a clever way to generate
.
ans =
3.1416See Also
exp, log10, log2, logm, reallog
 | loadobj | | log10 |  |
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