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Calculate frequency for each gridded

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Nurul Ain Basirah Zakaria
评论： Nurul Ain Basirah Zakaria 2021-4-7
Hi. Is it possible that I want to,
Change the value of -1.00 untill -3.00 tu 1 and the rest as 0. Then, I want to know how much 1 in each grid, how can I calculate how much amount of 1?

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KSSV
KSSV 2021-4-2
Let A be your matrix/ grid.
idx = A<-1 & A>-3 ;
A(idx) = 1 ;
A(~idx) = 0 ;
nnz(A==1)
nnz(A==0)
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KSSV
KSSV 2021-4-2
yes = 0 ; no = 0 ;
for i=1:5
for j=1:11
if idx(i,j)==1
yes = yes+1 ;
elseif idx(i,j) == 0
no = no+1 ;
end
end
end
Nurul Ain Basirah Zakaria
Nurul Ain Basirah Zakaria 2021-4-7
sir, thank you very much. i will try to understand looping better

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