MATLAB: Creating a rectangular pulse

MATLABpulse

I can create an rectangular pulse with code
b1 = 5;
a1 = 5;
x = -10:0.01:10;
% a pulse function
f = @(xi,a,b) a*rectpuls(xi,b); 
% plot to 
plot(x,f(x,a1,b1),'b--'); 
title(['Rectangular Pulse']);
xlabel('Time');
ylabel('Amplitude');
I now want to move this pulse, to start from x = -2 and end at x=+3, i.e. not have it centred around zero?
Any idea how to make it so?

Best Answer

captain, how about
 plot(x,f(x-0.5,a1,b1),'b--');
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