Why can the coordinates in "stem3" be defined only as vectors not matrices?
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Rightia Rollmann
on 22 Jan 2017
Answered: Star Strider
on 22 Jan 2017
Why can the coordinates in "stem3" be defined only as vectors not matrices?
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Star Strider
on 22 Jan 2017
The stem plots are intended to depict discrete data, specifically relating to signal processing, not the continuous data of other plots. If you have a matrix, use surf or mesh or related functions.
You can use stem3 with matrix arguments if you convert them into vectors first. For example if ‘X’, ‘Y’ and ‘Z’ are equal-sized matrices, you can convert them to vectors and plot them as:
figure(1)
stem3(X(:), Y(:), Z(:))
grid on
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