acosh
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acot calculates the arccotangent.
r = acot(m)
Return Value
r is the arccotangent of m.
Parameters
m
m is a real or complex matrix.
Comment
Algorithm: -(1./2i) .* log ((1i .* x + 1)./(1i .* x - 1)).
See also
Overview Mathematic, tan
id-1273532