Visualizing 2d rotation plot

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Reuben Addison
Reuben Addison 2019-12-11
编辑： Reuben Addison 2019-12-11
I did this rotation sometime ago and I want to visualize it on the plot to confirm my rotation. Any help?
I USED THE CODE BELOW
target_x = 27.000;
target_y = 16.000;
start_x = 24.000;
start_y = 16.000;
p = [target_x target_y]';
rotPt = [start_x start_y]';
theta = pi/4 ;
R = [cos(theta) -sin(theta); sin(theta) cos(theta)];
pTmp = p - rotPt;
pRotTmp = R * pTmp;
pRot = pRotTmp + rotPt;

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