plotting the step function including trigonometry expressions
Subject: plotting the step function including trigonometry expressions
From: Bill Wood
Date: Thu, 08 Nov 2012 08:33:32 -0600
On Thu, 2012-11-08 at 17:25 +0330, Fereshteh Zeynivand wrote:
. . .
> In doing so, I used the following syntax to get the graph of the x(t)
>
>
> plot2d(1/4*t*sin(2*t)-unit_step(t-2*pi)*1/4*(t-2*pi)*sin(2*t-4*pi),[t,0,3*pi]);
The lines
e: 1/4*t*sin(2*t)- unit_step(t-2*%pi)*1/4*(t-2*%pi)*sin(2*t-4*%pi);
plot2d(e,[t,0,3*%pi]);
seem to work for me. You need to use "%pi", not "pi", for the constant.
--
Bill Wood