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Change number of arrows in quiver-plot

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Sivert van Mourik
Sivert van Mourik 2018-4-18
回答： Nasir Mehmood 2021-4-1
I have made a quiver-plot with the function
quiver(x,y,u,v)
Where x,y,u and v all are 201*194 matrices, so I end up with 38 994 arrows. How do I choose only a few of the arrows so that my plot won't be so messy?

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Nasir Mehmood
Nasir Mehmood 2021-4-1
You may try following combination with different values of "sc" parameter
sc = 10; % choose any value suitable for required arrows
quiver(x(1:sc:end,1:sc:end), y(1:sc:end,1:sc:end), u(1:sc:end,1:sc:end), v(1:sc:end,1:sc:end))

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