non-uniform symmetric grid in 1D
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abolfazl mahmoodpoor
el 2 de Nov. de 2022
Comentada: abolfazl mahmoodpoor
el 2 de Nov. de 2022
I am trying to make a non-uniform symmetric grid in 1D (dense grid close to the boundaries), is there any simple command?
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Bruno Luong
el 2 de Nov. de 2022
The chebychev nodes cross my mind
leftbnd=-10
rightbnd = 10;
n = 30
chebychevgrid=@(leftbnd,rightbnd,n)leftbnd+((rightbnd-leftbnd)/2)*(cos(linspace(pi,0,n))+1)
a = chebychevgrid(leftbnd,rightbnd,n)
plot(a, ones(size(a)),'-o')
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Walter Roberson
el 2 de Nov. de 2022
No, there is no simple command for it.
If you have the first half, say a row vector B, then you can build the rest as
[B, ENDVALUE-fliplr(B)]
except, that is, for the case where the last B value is exactly half-way through, in which case you do not want to duplicate that value...
You can create your own simple functions for this, but Mathworks does not provide any simple command for it.
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