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Creating an array which has the linear index of the element left of each position.

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I'm trying to use MATLAB functions to creating a 9x11 array which has the linear index of the element left of each position that replaced the undefined variables with 0's. Currently I have the code to create it as a 9x10 array but am not sure how to include the row of 0's for the undefined variables to make it a 9x11 array using functions. Any help would be very much appreciated.
clearvars
clc
close all
L = reshape(1:90,9,10);
L(1,:) = zeros(1,1);

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Walter Roberson
Walter Roberson 2022 年 10 月 15 日
I am not clear as to what you want to do, but
L = reshape(1:90,9,10);
L = [zeros(size(L,1),1), L]
L = 9×11
0 1 10 19 28 37 46 55 64 73 82 0 2 11 20 29 38 47 56 65 74 83 0 3 12 21 30 39 48 57 66 75 84 0 4 13 22 31 40 49 58 67 76 85 0 5 14 23 32 41 50 59 68 77 86 0 6 15 24 33 42 51 60 69 78 87 0 7 16 25 34 43 52 61 70 79 88 0 8 17 26 35 44 53 62 71 80 89 0 9 18 27 36 45 54 63 72 81 90
  1 件のコメント
Walter Roberson
Walter Roberson 2022 年 10 月 15 日
A different approach
L = reshape(1:90,9,10);
L(:,end+1) = 0;
L = circshift(L, [0 1])
L = 9×11
0 1 10 19 28 37 46 55 64 73 82 0 2 11 20 29 38 47 56 65 74 83 0 3 12 21 30 39 48 57 66 75 84 0 4 13 22 31 40 49 58 67 76 85 0 5 14 23 32 41 50 59 68 77 86 0 6 15 24 33 42 51 60 69 78 87 0 7 16 25 34 43 52 61 70 79 88 0 8 17 26 35 44 53 62 71 80 89 0 9 18 27 36 45 54 63 72 81 90

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