how can I plot this equation ?
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how can I plot this :
M = -0.5 Lgo + Lg2 cos(2theta-120)
considering Lgo,Lg2 are constants
回答（1 个）
Dear Ahmed, here is the code:
Lgo = 1; % constant value for Lgo
Lg2 = 1; % constant value for Lg2
theta = -pi:0.01:pi; % time series -pi to pi
M = -0.5 * Lgo + Lg2 * cos(2 * theta - 120);
plot(theta, M) % plot of M vs. theta
I hope it helps. Good luck!
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