Turn a two dimensional vector into an array

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I have a subset Ω of . I have discretised this subset into points, , also consider an identical copy of , .
Now, I have a given function , and want to create a matrix where K is of the form :
How can I do this on matlab, I will allow the use of for loops but I dont want to loop over the entire that will take too long.

Answers (1)

Yongjian Feng
Yongjian Feng on 2 Dec 2021
Check this command?

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