function b=vtb(a)% Student Edition of the Vibration Toolbox.% Version 7.0 22-Oct-2006% Last update: Type "vtbud"%%  Type "help vtoolbox" for help on the Engineering Vibration Toolbox.%  Type "help vtbud" for a list of updates since 1/1/98 and update the%       toolbox.%  Type "vtb('home')" to go to the Engineering Vibration %       Toolbox home page%  Type "help vtb#" fo help onchapter # tools%  Type "help vtbn_m" for help with the mth code of chapter n. %  %%  Please connect to the Engineering Vibration Toolbox home%  page at%  http://www.cs.wright.edu/people/faculty/jslater/vtoolbox/vtoolbox.html%  for the latest information.% if nargin==0	disp(' ')	disp('You should type:')	disp('help vtb')	disp('for help on a file named vtb.m')		pause(2)	help vtb	returnelse	web http://www.cs.wright.edu/people/faculty/jslater/vtoolbox/vtoolbox.html;	returnend