plot function in matlab?

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Najmeh Eskandari
Najmeh Eskandari 2018-8-5
评论： Jan 2018-8-5
I want to plot qi=q0+3*(qf-q0)*t^2-2*(qf-q0)*t^3 as defined in the picture.i use plot or ez plot but the figure that is drawn is not correct.
q0=10(degree)
qf=-20(degree)
t=0 to 1 second
  2 个评论
KALYAN ACHARJYA
KALYAN ACHARJYA 2018-8-5
编辑：KALYAN ACHARJYA 2018-8-5
Check the answer, I have edited. Pls confirm?
Jan
Jan 2018-8-5
@Najmeh Eskandari: Please post your code and the output. Then explain what "not correct" means, such that we can give you an advice how to improve your code.

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KALYAN ACHARJYA
KALYAN ACHARJYA 2018-8-5
编辑：KALYAN ACHARJYA 2018-8-5
q_o=10;
qf=-20;
t=0:.1:1;
qi=q_o+3*(qf-q_o)*t.^2-2*(qf-q_o)*t.^3;
plot(t,qi);
title('Cubic Polynomial Trajectory');
xlabel('Time(sec)'); ylabel('Angle(deg)');

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