vector norms help mat

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Adriana Mons
Adriana Mons 2019-9-23
编辑： Adam Danz 2019-9-24
Given this code
X = sampleUnitSphere(2, 100);
A = [-2 3;-3 1 ];
AX = A*X;
figure(1); clf; hold on;
plot( X(1,:), X(2,:),'b.');
plot(AX(1,:),AX(2,:),'r.');
legend('Unit 2-ball in R^2', 'Transformation under A')
hold off
axis square equal
If I consider another 2 matrices where B=[ 1 3; 1 1] and C=reshape(1:4,2,2) how do I show the three matrices graphically in one figure using subplot and adding a legend ? the plot where the legend is the following
legend('Unit 2-ball in R^2', 'Transformation under A')
hold off
axis square equal
  1 个评论
Adam Danz
Adam Danz 2019-9-24
编辑：Adam Danz 2019-9-24
Please format your code next time.
What have you tried so far? Why doesn't subplot() and legend() commands solve your problem? FYI, I can't run your code because I don't know what sampleUnitSphere is.

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