A scanned copy is usually stored on a computers memory after scanning and can be reproduced as you wish by only taking one digital imprint of the original document. A color copy, however is only a simple imprint (copy) of the original document which is not stored on a computers memory.
One way to invoke an Excel macro from MATLAB is by launching Excel as a COM server from MATLAB using the 'actxserver' command. Suppose there is an Excel file 'myFile.xls' containing the macro called 'Macro1'. The following commands should first open the Excel file and then run the macro: % Create object.
Note that the description MATLAB returns about the command you requested help on contains the command name in ALL CAPS. This does not mean that you use this command by typing it in ALL CAPS. In MATLAB, you almost always use all lower case letters when using a command. Variables in MATLAB. We can easily define our own variables in MATLAB. Let's say we need to use the value of 3.5sin(2.9) repeatedly. Instead of typing 3.5*sin(2.9)over and over again, we can denote this variable as x by typing the following: