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diff scripts/elfun/coth.m @ 713:632844972d35

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[project @ 1994-09-20 18:37:13 by jwe] Initial revision
author jwe
date Tue, 20 Sep 1994 18:38:18 +0000
parents
children 3470f1e25a79
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--- /dev/null
+++ b/scripts/elfun/coth.m
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+function w = coth (z)
+  
+# coth (z):  compute the hyperbolic cotangent for each element of z.
+  
+  if (nargin != 1)
+    error ("usage: coth (z)");
+  endif
+
+  w = 1 ./ tanh(z);
+  
+endfunction
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