Mercurial > jwe > octave

annotate scripts/elfun/sech.m @ 1133:79ee7f07221e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[project @ 1995-02-22 22:16:41 by jwe]
author jwe
date Wed, 22 Feb 1995 22:16:50 +0000
parents 06a495f515c2
children 5cffc4b8de57
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
1 function w = sech (z)
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
2
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
3 # sech (z): compute the hyperbolic secant for each element of z.
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
4
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
5 if (nargin != 1)
904
3470f1e25a79 [project @ 1994-11-09 21:22:15 by jwe]
jwe
parents: 713
diff changeset
6 usage ("sech (z)");
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
7 endif
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
8
1095
06a495f515c2 [project @ 1995-02-09 14:45:55 by jwe]
jwe
parents: 904
diff changeset
9 w = 1 ./ cosh(z);
713
632844972d35 [project @ 1994-09-20 18:37:13 by jwe]
jwe
parents:
diff changeset
10
1133
79ee7f07221e [project @ 1995-02-22 22:16:41 by jwe]
jwe
parents: 1095
diff changeset
11 endfunction