load function not returning correct array dimension

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Muhammad Safwan Razif 2022-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/1748685-load-function-not-returning-correct-array-dimension

评论： Muhammad Safwan Razif 2022-6-27

So I want to save() a bunch of array in another file so i can acces it later using load(). When i want to use the array(12x18), i got error message, "error: reshape: can't reshape 1x1 array to 6x3 array". Below is an example of how my code is. How do properly store and access the matrix ? I use a lot of reshape in my code.

a = randi(12,12,18);

save('a.mat','a');

b = load('a.mat','a')

c = reshape(b(1,:),[6,3])

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Johan 2022-6-27

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load puts your saved data in a structure, use b.a to access your data

a = randi(12,12,18);
save('a.mat','a');
b = load('a.mat','a')
b = struct with fields:
    a: [12×18 double]
c = reshape(b.a(1,:),[6,3])
c = 6×3
     6    11    10
     8    10    11
     9     4     2
    11    10     3
     8     6     8
     3     7    12