--- a/scripts/strings/dec2base.m	Mon Sep 19 17:15:07 2011 -0700
+++ b/scripts/strings/dec2base.m	Mon Sep 19 18:03:43 2011 -0700
@@ -29,8 +29,9 @@
 ## @end group
 ## @end example
 ##
-## If @var{d} is a vector, return a string matrix with one row per value,
-## padded with leading zeros to the width of the largest value.
+## If @var{d} is a matrix or cell array, return a string matrix with one
+## row per element in @var{d}, padded with leading zeros to the width of 
+## the largest value.
 ##
 ## If @var{base} is a string then the characters of @var{base} are used as
 ## the symbols for the digits of @var{d}.  Space (' ') may not be used
@@ -57,13 +58,17 @@
     print_usage ();
   endif
 
+  if (iscell (d))
+    d = cell2mat (d);
+  endif
+
   # Create column vector for algorithm
-  if (columns (d) > 1 || !isvector (d))
+  if (! iscolumn (d))
     d = d(:);
   endif
 
-  if (any (d < 0 | d != fix (d)))
-    error ("dec2base: input must be non-negative integers");
+  if (! isnumeric (d) || iscomplex (d) || any (d < 0 | d != fix (d)))
+    error ("dec2base: input must be real non-negative integers");
   endif
 
   symbols = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
@@ -93,7 +98,7 @@
   ## determine digits for each number
   digits = zeros (length (d), max_len);
   for k = max_len:-1:1
-    digits(:,k) = mod(d, base);
+    digits(:,k) = mod (d, base);
     d = round ((d - digits(:,k)) / base);
   endfor
 
@@ -112,41 +117,45 @@
 
 endfunction
 
+
 %!test
-%! s0='';
-%! for n=1:13
-%!   for b=2:16
-%!     pp=dec2base(b^n+1,b);
-%!     assert(dec2base(b^n,b),['1',s0,'0']);
-%!     assert(dec2base(b^n+1,b),['1',s0,'1']);
+%! s0 = '';
+%! for n = 1:13
+%!   for b = 2:16
+%!     pp = dec2base (b^n+1, b);
+%!     assert (dec2base(b^n, b), ['1',s0,'0']);
+%!     assert (dec2base(b^n+1, b), ['1',s0,'1']);
 %!   end
-%!   s0=[s0,'0'];
+%!   s0 = [s0,'0'];
 %! end
 
 %!test
 %! digits='0123456789ABCDEF';
-%! for n=1:13
-%!   for b=2:16
-%!     pm=dec2base(b^n-1,b);
-%!     assert(length(pm),n);
-%!     assert(all(pm==digits(b)));
+%! for n = 1:13
+%!   for b = 2:16
+%!     pm = dec2base(b^n-1, b);
+%!     assert (length (pm), n);
+%!     assert (all (pm==digits(b)));
 %!   end
 %! end
 
 %!test
-%! for b=2:16
-%!   assert(dec2base(0,b),'0');
+%! for b = 2:16
+%!   assert (dec2base (0, b), '0');
 %! end
 
-%!assert(dec2base(0,2,4), "0000");
-%!assert(dec2base(2^51-1,2), ...
+%!assert(dec2base (0, 2, 4), "0000");
+%!assert(dec2base (2^51-1, 2), ...
 %!       '111111111111111111111111111111111111111111111111111');
-%!assert(dec2base(uint64(2)^63-1,16), '7FFFFFFFFFFFFFFF');
+%!assert(dec2base(uint64(2)^63-1, 16), '7FFFFFFFFFFFFFFF');
+%!assert(dec2base({1, 2; 3, 4}, 2, 3), ["001"; "011"; "010"; "100"]);
 
 %%Test input validation
 %!error dec2base ()
 %!error dec2base (1)
 %!error dec2base (1, 2, 3, 4)
+%!error dec2base ("A")
+%!error dec2base (2i)
 %!error dec2base (-1)
 %!error dec2base (1.1)
 %!error dec2base (1,"ABA")

--- a/scripts/strings/dec2bin.m	Mon Sep 19 17:15:07 2011 -0700
+++ b/scripts/strings/dec2bin.m	Mon Sep 19 18:03:43 2011 -0700
@@ -28,8 +28,9 @@
 ## @end group
 ## @end example
 ##
-## If @var{d} is a vector, returns a string matrix, one row per value,
-## padded with leading zeros to the width of the largest value.
+## If @var{d} is a matrix or cell array, return a string matrix with one
+## row per element in @var{d}, padded with leading zeros to the width of 
+## the largest value.
 ##
 ## The optional second argument, @var{len}, specifies the minimum
 ## number of digits in the result.
@@ -51,8 +52,10 @@
 
 endfunction
 
-%!assert(strcmp (dec2bin (14), "1110"));
-%!assert(strcmp (dec2bin (14, 6), "001110"));
+
+%!assert(dec2bin (14), "1110");
+%!assert(dec2bin (14, 6), "001110");
+%!assert(dec2bin ({1, 2; 3, 4}), ["001"; "011"; "010"; "100"]);
 
 %%Test input validation
 %!error dec2bin ();

--- a/scripts/strings/dec2hex.m	Mon Sep 19 17:15:07 2011 -0700
+++ b/scripts/strings/dec2hex.m	Mon Sep 19 18:03:43 2011 -0700
@@ -28,8 +28,9 @@
 ## @end group
 ## @end example
 ##
-## If @var{d} is a vector, return a string matrix, one row per value,
-## padded with leading zeros to the width of the largest value.
+## If @var{d} is a matrix or cell array, return a string matrix with one
+## row per element in @var{d}, padded with leading zeros to the width of 
+## the largest value.
 ##
 ## The optional second argument, @var{len}, specifies the minimum
 ## number of digits in the result.
@@ -51,8 +52,10 @@
 
 endfunction
 
-%!assert(strcmpi (dec2hex (2748), "abc"));
-%!assert(strcmpi (dec2hex (2748, 5), "00abc"));
+
+%!assert(dec2hex (2748), "ABC");
+%!assert(dec2hex (2748, 5), "00ABC");
+%!assert(dec2hex ({2748, 2746}), ["ABC"; "ABA"]);
 
 %% Test input validation
 %!error dec2hex ();