>> which startupsav.m

D:Program FilesMATLABR2013atoolboxlocalstartupsav.m

>> edit startupsav.m

%------------------------------------

%STARTUPSAV   Startup file

%   Change the name of this file to STARTUP.M. The file

%   is executed when MATLAB starts up, if it exists

%   anywhere on the path.  In this example, the

%   MAT-file generated during quitting using FINISHSAV

%   is loaded into MATLAB during startup.

%   Copyright 1984-2000 The MathWorks, Inc.

%   $Revision: 1.4 $  $Date: 2000/06/01 16:19:26 $

load matlab.mat