Section: Mathematical Functions
y = asech(x)
where x is an n-dimensional array of numerical type.
asech function is computed from the formula
--> x1 = -20:.01:-1;
--> x2 = 1:.01:20;
--> plot(x1,imag(asech(x1)),x2,imag(asech(x2))); grid('on');
-->
quit