savevar

  SAVEVAR - Saves variables in a Matlab file

   SAVEVAR(FILENAME,VARIABLE,VARIABLENAME,OPTIONSTRING1,OPTIONSTRING2,...)

   Saves the variable VARIABLE to the file FILENAME.  The name of 
   the variable in the file will be VARIABLENAME.  OPTIONS is a 
   string of options passed to the MATLAB SAVE command.

   For example:

     SAVEVAR('myfile',5,'myvariable','-append','-mat');

   See also: SAVE