Compute the element-wise hyperbolic secant of the argument.
y = sech(x)
:x Real or complex array. : :y Real or complex array. :
Compute the element-wise hyperbolic secant of the argument. The hyperbolic secant is defined as 1/cosh. For real data the results are real and in [0 1].
x=`linspace`_(-10,10,1000)
`plot`_(x,sech(x))