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[project @ 1995-11-01 00:47:21 by jwe]
author jwe
date Wed, 01 Nov 1995 00:47:21 +0000
parents 3470f1e25a79
children 5cffc4b8de57
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function w = asech (z)
  
# asech (z):  compute the inverse hyperbolic secant for each element of z.
  
  if (nargin != 1)
    usage ("acosh (z)");
  endif

  w = acosh (1 ./ z);
  
endfunction