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Plotting functions

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WONG SIAN
WONG SIAN on 19 Feb 2011
How to create a variable t that takes values from 0 to 2pie with step size 0.001 . I already given de value of y. I wish to know how to plot and versus t in separate figures. What about plot and versus t in the same figure and use different colour for each graph and label each of them.
Then if I want to divide a figure in two by using the subplot command, then plot and in the upper part and in the lower part which all plots versus t. how ya??

Answers (2)

Walter Roberson
Walter Roberson on 19 Feb 2011
t = 0:.001:2*pi;
For the rest, see the documentation for hold(), plot(), and subplot()

Matt Fig
Matt Fig on 19 Feb 2011
To elaborate on Walter's answer:
t = 0:.001:2*pi;
figure
plot(t,sin(t));legend('sin(t)')
figure
plot(t,cos(t));legend('cos(t)')
% Now on to subplotting:
figure
subplot(2,1,1)
plot(t,sin(t));legend('sin(t)')
subplot(2,1,2)
plot(t,cos(t));legend('cos(t)')

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