Hi, can you help me fix my code? How can I convert this to a matrix using if/while/for statements?

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Fortia Alfeche
Fortia Alfeche 2023-7-3
编辑： dpb 2023-7-3
format long G
MERfgh = [];
i = 1;
%for i=1:11
MERfgh(i,1) = MERfff(i,1);
for j=1:11
MERfgh(i,2) = MERfff(j,1);
i = i+1;
end
%end
MERfgh
I WANT IT TO LOOK LIKE THIS:

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回答（2 个）

DGM
DGM 2023-7-3
Ran in:
Consider the example:
% some data in a column vector
MERfff = (21:31).';
% rearrange it
[xx yy] = meshgrid(MERfff);
MERfgh = [xx(:) yy(:)]
MERfgh = 121×2
21 21 21 22 21 23 21 24 21 25 21 26 21 27 21 28 21 29 21 30
dpb
dpb 2023-7-3
编辑：dpb 2023-7-3
Ran in:
Use the power of MATLAB; it is, after all, MATrixLABoratory...
format short e; format compact
P=2; % power range -- use small number for demo so can see output...
x=10.^[-P:P].';
M=[kron(x,ones(size(x))) repmat(x,size(x))]
M = 25×2
1.0000e-02 1.0000e-02 1.0000e-02 1.0000e-01 1.0000e-02 1.0000e+00 1.0000e-02 1.0000e+01 1.0000e-02 1.0000e+02 1.0000e-01 1.0000e-02 1.0000e-01 1.0000e-01 1.0000e-01 1.0000e+00 1.0000e-01 1.0000e+01 1.0000e-01 1.0000e+02

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