Show derivatives vector on a plot.
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I've a curve plotted by the command plot(xx,oo) where xx and oo are coefficients obtained with Hermite interpolation method.
Now i want to show a little vector corresponding of some points (that i know) on the curve, that shows the derivative direction in these points.
Thank you
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Accepted Answer
Bjorn Gustavsson
on 22 Nov 2013
Just use arrow or arrow3 with start-point at the corresponding point and end [dx,dy] away.
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