# Calculation between 2 vectors where one is 4d and other is 1d

조회 수: 4 (최근 30일)
Saugata Bose 2019년 5월 28일
편집: Raghunandan V 2019년 5월 28일
Dear,
I have 2 vectors. One is of 4d form and other is of 1d form. The value of one vector will be subtracted from the values of the othe vector.
Example:
A=[val(:,:,1,1)
= 0.67
val(:,:,2,1)
=0.55
val(:,:,3,1)
=0.12
val(:,:,1,2)
= 0.12
val(:,:,2,2)
=0.50
val(:,:,3,2)
=0.11
]
B=[1
0]
The operation would be like this one
Result=[
val(:,:,1,1) =0.67-1
val(:,:,2,1) =0.55-1
val(:,:,3,1) =0.12-1
val(:,:,1,2) =0.12-0
val(:,:,2,2) =0.5-0
val(:,:,3,2) =0.11-0
]
thanks,

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### 답변 (1개)

Raghunandan V 2019년 5월 28일
편집: Raghunandan V 2019년 5월 28일
Hi,
small explanation of How I approached the answer. I changed domenstion on B so that it would that of A and the subtracted them both
A = zeros(5,5, 3,2) ;%assumed Dimensions
%value storing
A(:,:,1,1)= 0.67;
A(:,:,2,1)= 0.55;
A(:,:,3,1)= 0.12;
A(:,:,1,2)= 0.12;
A(:,:,2,2)= 0.5;
A(:,:,3,2)= 0.11;
B = [1 ;0];
%get dimenstions of A
[m n o p ] = size(A);
%create two temporary matrices
R1 = B(1)*ones(m,n,o);
R2 = B(2)*ones(m,n,o);
%here multiplication is used to make it versatile for any value of B
%initialize new B
NewB = zeros(m,n,o,p);
NewB(:,:,:,1)= R1;
NewB(:,:,:,2)= R2;
result = A - NewB;
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Saugata Bose 2019년 5월 28일
@Raghunandan V: thanks fr ur help. i m giving you the feedback after implementing it in my main code.

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