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sym.asech
Computes the inverse hyperbolic secant of a symbolic expression.
Syntax
sym.asech(x)
Description
Computes the inverse hyperbolic secant of a symbolic expression. Returns the non-negative value y such that sech(y) = x. Also known as the area hyperbolic secant: asech(x) = ln((1 + √(1-x²))/x).
Parameters
| Name | Description |
|---|---|
| x | - The argument (0 < x ≤ 1 for real results). |
Returns
Expr