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Rabia Zulfiqar


Last seen: 3 years ago |  Active since 2020

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Replacing elements in matrix
I have a matrix A.For example [0 0 0 0 ; 1 2 1 2 ; 2 0 0 -1 ; -1 0 -1 -2 ; -2 -2 -2 0] Now the query is I h...

4 years ago | 1 answer | 0

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answer

Question


How to modify values in an array at a certain point inside a loop?
I have formed this simple code clc clear all a=1.4 for i=1:10 %Here i represents years A(:,:,i)=a; %For storing ...

4 years ago | 1 answer | 0

1

answer

Question


How to perform operation on sepcific elements in an array?
I have an array 'A' of size 1×365. There is an another array 'B' consisting of linear indexing of size 1×160. Now I want to cr...

4 years ago | 1 answer | 0

1

answer

Question


How to make specific elements of a matrix zero before nth element?
Hi I have a matrix of 24x365. I have an array which reperesents the index of an element in each column.I want to convert all ele...

4 years ago | 2 answers | 0

2

answers

Question


How to make specific elements in a 3D matrix zero?
Hi I have a 3D matrix namely Costyearlydata having size of 24x365x10 and I want to make certain elements in that matrix zero. D...

4 years ago | 1 answer | 0

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answer

Question


How to find the index of first and last nonzero elements in each column?
Hi,Is there any way to find the index of first and last nonzero element in a matrix? I have this matrix A=[0 0 0 0...

4 years ago | 5 answers | 0

5

answers

Question


Why Conversion of 2D matrix to 3D matrix is giving wrong results??
I have developed a code for 1 year which was simple and it was in 2D giving the right answers as well but when I tried to analyz...

4 years ago | 1 answer | 0

1

answer

Question


How to multiply a scalar with matrix within loop and for each iteration store the values in new matrix?
I have a matrix of 24x365 but just to explain what I want to do I am taking here an example matrix of 2x2. A=[1 2 3 ...

4 years ago | 1 answer | 1

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answer

Question


How to perform mathematical operation in columns on certain elements and make the other elements zero??
For example I have this matrix: [0 0 0 0 1 0 2 7 5 8 3 11 4 12 2 9] The min and...

4 years ago | 2 answers | 0

2

answers

Question


How to make elements of each column zero before nth element ??
Hi I am trying to do something like this, I have a matrix where I have to find the min value of each column after that I have to...

4 years ago | 2 answers | 0

2

answers

Question


Error `Failure in user supplied objective function.FMINCON cannot continue.
Hi, I getting this error again and again I have tried multiple times but unable to remove this error. I have created an objecti...

4 years ago | 1 answer | 0

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