plot 2 3D vectors in Matlab

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ektor
ektor 2020-2-21
回答： Fabio Freschi 2020-2-21
Dear all,
I have these vectors
a = [1 2 -3];
b = [-3 12 -13];
Both start from c=[0 0 0];
How can I plot them in a 3D envirorment?
Can you provide with a sample code?

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回答（1 个）

Fabio Freschi
Fabio Freschi 2020-2-21
% vectors
a = [1 2 -3];
b = [-3 12 -13];
% starting point
C0 = [0 0 0];
% put vector in a matrix, to make the code more flexible (e.g. more vectors)
V = [a; b];
% replicate the starting point for all vectors
C = repmat(C0,size(V,1),1);
% plot
figure, hold on
quiver3(C(:,1),C(:,2),C(:,3),V(:,1),V(:,2),V(:,3))
% change point of view
view([1 1 1])

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