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Manual Reference Pages  - acosh (3)

NAME

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

CONTENTS

Syntax
Description
Arguments
Return Value
Example
Standard
Class
See Also

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
      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]]


acosh (3) March 18, 2019
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