Linear Algebra - Rotate A Triangle
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So this is the code provided by our lecturer.
figure(1), clf
fill(X,Y,’g’,’edgecolor’,’k’,’linewidth’,1), hold on
axis equal, axis([-1.5 2 -0.1 2]), axis manual;
pause(1);
v=pi/6; A=[cos(v) -sin(v); sin(v) cos(v)];
P=[X;Y];
for i=1:3
P=A*P;
fill(P(1,:),P(2,:),’g’,’edgecolor’,’r’,’linewidth’,1), pause(1)
end
plot(0,0,’ko’,’linewidth’,2,’markersize’,2) %origo
And the assignment is to rotate a triangle which is created by defining the row matrices X and Y and I don't know how to create a triangle.
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