cosh
Syntax
cosh(X)
Details
The hyperbolic cosine function.
Note:
The function of DolphinDB's
cosh works the
same as NumPy's numpy.cosh, except that it only accepts a
single parameter, X, and does not support parameters like out or
where in numpy.cosh.Parameters
X is a scalar/vector/matrix.
Returns
A scalar/vector/matrix of type DOUBLE.