--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/general/logspace.m	Sun Aug 08 01:26:08 1993 +0000
@@ -0,0 +1,50 @@
+function retval = logspace (x1, x2, n)
+
+# usage: logspace (x1, x2, n)
+#
+# Return a vector of n logarithmically equally spaced points between
+# x1 and x2 inclusive.
+#
+# If the final argument is omitted, n = 50 is assumed.
+#
+# All three arguments must be scalars. 
+#
+# Note that if if x2 is pi, the points are between 10^x1 and pi, NOT
+# 10^x1 and 10^pi.
+#
+# Yes, this is pretty stupid, because you could achieve the same
+# result with logspace (x1, log10 (pi)), but Matlab does this, and
+# claims that is useful for signal processing applications.
+#
+# See also: linspace
+
+  if (nargin == 2)
+    npoints = 50;
+  elseif (nargin == 3)
+    if (length (n) == 1)
+      npoints = n;
+    else
+      error ("logspace: arguments must be scalars");
+    endif  
+  else
+    error ("usage: logspace (x1, x2 [, n])");
+  endif
+
+  if (npoints < 2)
+    error ("logspace: npoints must be greater than 2");
+  endif
+
+  if (length (x1) == 1 && length (x2) == 1)
+    x2_tmp = x2;
+    if (x2 == pi)
+      x2_tmp = log10 (pi);
+    endif
+    retval = linspace (x1, x2_tmp, npoints);
+    for i = 1:npoints
+      retval(i) = 10 ^ retval(i);
+    endfor
+  else
+    error ("logspace: arguments must be scalars");
+  endif
+
+endfunction