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Manual Reference Pages  - acosh (3)

NAME

acosh(3f) - [FORTRAN:INTRINSIC:MATHEMATICS:TRIGONOMETRIC] Inverse hyperbolic cosine function

SYNTAX

result = acosh(x)

DESCRIPTION

ACOSH(X) computes the inverse hyperbolic cosine of X.

ARGUMENTS

X the type shall be REAL or COMPLEX.

RETURN VALUE

The return value has the same type and kind as X. If X is complex, the imaginary part of the result is in radians and lies between

0 <= AIMAG(ACOSH(X)) <= PI.

EXAMPLE

Sample program:

    program demo_acosh
    implicit none
    real(8), dimension(3) :: x = [ 1.0, 2.0, 3.0 ]
      write (*,*) acosh(x)
    end program demo_acosh

STANDARD

[[Fortran 2008]] and later

CLASS

Elemental function

SEE ALSO

Inverse function: cosh(3)


acosh (3) March 11, 2021
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