how can i draw a coordinate system of unit vectors?

Question

Christian von Spreckelsen 2016-3-9

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编辑： George Abrahams 2023-12-14

How can you draw a coordinatesystem of unitvectors like in the picture attached (don't mind the vector P)?

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Answer 1

Star Strider 2016-3-9

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This works:

You may have to rotate it using the view function and do some other modifications to get it to look the way you want it. This just plots the vectors:

figure(1)
plot3( [0  0  0; 0  0  0; 0  0  1], [0  0  0; 0  1  0; 0  0  0], [1  0  0; 0  0  0; 0  0  0], 'p-r')
grid on
axis([-1 2    -1 2    -1 2])
% axis equal

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Answer 2

George Abrahams 2023-12-14

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编辑：George Abrahams 2023-12-14

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Hi Christian. For future reference, my plotframe function on File Exchange makes this easy. It's as simple as:

plotframe( rotationMatrix, translationVector )
axis equal, view( [37.5 30] )

Or if you want it formatted more similarly to the one in your figure, you can do that as follows:

plotframe( BasisColors='k', LabelBasis=true, ...
    Labels=["$\hat{X}_{A}$","$\hat{Y}_{A}$","$\hat{Z}_{A}$"], ...
    TextProperties={'Interpreter','Latex'} )
axis equal, view( [37.5 30] )