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I have four matrix of order 500X100 and three matrix has very small value like 2.12345 etc and fourth matrix has very large value like 1.7654e+165 and i want to substact fourth matrix from first,second and third matrix so please give me solution.

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GHUFRAN AHMAD KHAN
评论： madhan ravi 2019-1-4
i tried to substract but every time the maximum value with minus sign comes in resulted matrix like -1.7654e+165 and it affect my final result.please give solution.

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回答（1 个）

KSSV
KSSV 2019-1-4
编辑：KSSV 2019-1-4
YOu can straight away substract them right? Check the below example:
A = rand(2,2,4) ;
iwant =A(:,:,1:3)- A(:,:,4)

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