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diff --git a/2.3-1/macros/FunctionAnnotation/FA_SZ_ROW_COLUMN_CAT.sci b/2.3-1/macros/FunctionAnnotation/FA_SZ_ROW_COLUMN_CAT.sci
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+++ b/2.3-1/macros/FunctionAnnotation/FA_SZ_ROW_COLUMN_CAT.sci
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+function outsize = FA_SZ_ROW_COLUMN_CAT(inval,in1size,in2size)
+//function outsize = FA_SZ_ROW_COLUMN_CAT(inval,in1size,in2size)
+// -----------------------------------------------------------------
+// Get size of row (col) of the output for cat function
+//
+// Input data:
+// inval: string specifying the value of input argument.
+// in1size: string specifying the row (col) of second input
+// in3size: string specifying the row (col) of third input
+// Output data:
+// outsize: string containing the column size for output argument.
+//
+// Copyright (C) 2017 - IIT Bombay - FOSSEE
+//
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Author: Mushir
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+//
+
+// -----------------------------------------------------------------
+
+// ------------------------------
+// --- Check input arguments. ---
+// ------------------------------
+SCI2CNInArgCheck(argn(2),3,3);
+
+
+in1size = string(in1size);
+in2size = string(in2size);
+inval = string(inval);
+if(inval == '1') then
+    in1num_r = eval(in1size);
+    in2num_r = eval(in2size);
+    outsize(1) = string(in1num_r + in2num_r);
+    outsize(2) = string(in2num_r);
+elseif(inval == '2') then
+    in1num_c = eval(in1size);
+    in2num_c = eval(in2size);
+    outsize(1) = string(in1num_c);
+    outsize(2) = string(in1num_c + in2num_c);
+else
+     error(36, "Wrong input argument "+inval+". Use 1 or 2 as first argument in cat command.");
+end
+
+endfunction