how to find derivative of a function and ploting the surface of function and its derivative
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I want to plot surface of a function and its derivative but I dont understand the code kindly help me
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ANKUR KUMAR
il 1 Mar 2021
In order to plot a surface, you can use the below commands:
[X,Y] = meshgrid(1:0.5:10,1:20);
Z = sin(X) + cos(Y);
surf(X,Y,Z)
You can use the differentiation fucntion (https://www.mathworks.com/help/symbolic/differentiation.html) to differentiate, and can use the above code to plot the surface plot.
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Image Analyst
il 1 Mar 2021
If you have a 2-D array of numbers, you can use surf() to plot a 3-D rendering of it, or imshow() to display it as an image. If you then want the gradient of the function, you can use imgradient() to get the magnitude of the derivative, or imgradientxy() to get gradients in each direction, then use surf() or imshow().
Attach your function if you need more help.
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