how can i draw a coordinate system of unit vectors?

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Christian von Spreckelsen
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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回答（2 个）

Star Strider
Star Strider 2016-3-9
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
George Abrahams
George Abrahams 2023-12-14
编辑：George Abrahams 2023-12-14
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] )

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