Documentation

asech

Inverse hyperbolic secant

Syntax

Y = asech(X)

Description

Y = asech(X) returns the inverse hyperbolic secant for each element of X.

The asech function operates element-wise on arrays. The function's domains and ranges include complex values. All angles are in radians.

Examples

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Graph of Inverse Hyperbolic Secant Function

Graph the inverse hyperbolic secant over the domain $0.01 \le x \le 1$.

x = 0.01:0.001:1;
plot(x,asech(x)), grid on

More About

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Inverse Hyperbolic Secant

The inverse hyperbolic secant can be defined as

sech1(z)=cosh1(1z).

See Also

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Introduced before R2006a

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