# convert a 3d matrix to 3 column vector

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AAS 2020 年 9 月 17 日
コメント済み: PS 2020 年 9 月 21 日
Hi,
I have a matrix with x position as rows, y position as columns and magnitude as data at (x,y). How can I convert this to a 3 column matrix with (x,y, magnitude)
Thanks

#### 1 件のコメント

madhan ravi 2020 年 9 月 17 日
Mind giving an example data?

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### 回答 (1 件)

AAS 2020 年 9 月 17 日
Sorry,
I should rephrase my question. I have a matrix (magmatf- attached)- lets call the rows as R1 and columns and C1 . I created this using sub2ind and accumarray. Now I want to convert this back to a 3 column matrix with first two columns being the combinations of the (R1,C1)indices and the third column should be the value at R1(ind),C1(ind)
Thanks

#### 1 件のコメント

PS 2020 年 9 月 21 日
Hi AAS,
Did you found the solution for it? I am also looking for something similar.
Thanks

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