W-M function to plot 3d fractal surfaces

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haojie men
haojie men 2021-4-7
回答： Artos Cen 2022-2-21
I want to plot a fractal 3D surface using W-M function.
Here is my result:
It is different from fractal surfaces from other journal articles like this:
piture from An adhesive wear model of fractal surfaces in normal contact, X. Yin, K. Komvopoulos
I know maybe it can be resolved by increasing x and y number, but it takes a lot of time.
So, can anyone help me optimize the code?
Thanks!
  2 个评论
KSSV
KSSV 2021-4-7
You need to use loops in myF.m file....read about vectorizing the calculations. Read about element by element calculations.

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回答（2 个）

Sulaymon Eshkabilov
Hi,
Here are corrected codes of yours. One more important note that it is not a good practice to call your m-file with a MATLAB built-in fcn or command name, e.g., plot, grid, legend, exp, clc, ....
Good luck.
  2 个评论
haojie men
haojie men 2021-4-7
Thanks!
It looks better than before. It now looks like this:
But it is still different from X. Lin's result. Maybe the data is optimized by some method to remove saliens.
NAN ZHANG
NAN ZHANG 2021-4-16
编辑：NAN ZHANG 2021-4-16
Have you notice the units of X and Y? it's 'um' in Lin's paper, and 'm' in your program. Try again.

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Artos Cen
Artos Cen 2022-2-21
Hi
Just wanted to check up if you have already solved the problem yet. Thanks!

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