|
A function that can be used in Formulas.
arcsinh
(x
)
x
.
arcsinh (x) = ln (x + √(1+x2)) |
assert arcsinh (-1.0) < 0
assert arcsinh (0.0) = 0
assert arcsinh (1.0) > 0
assert arcsinh (undefined) = undefined
© Paul Boersma 2023