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Matrix Dimensions Must Agree

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baby
baby 2012-10-17
关闭： MATLAB Answer Bot 2021-8-20
i got error in my code,,
it says Error using ==> / . Matrix Dimensions Must Agree
this is my code
a= input ('The number of participant :');
for c=1:a
str1 = ['Input Your Name :'];
str2 = ['Input Your First Score :'];
str3 = ['Input Your Second Score :'];
str4 = ['Input Your Third score :'];
b{c,1} = input(str1,'s');
b{c,2} = input(str2);
b{c,3} = input(str3);
b{c,4} = input(str4);
end
disp(b)
[m,n]= size (b);
Mb=max([b{:,2}])
fooCell = num2cell(NM);
for i=1:c
for j=1:3
R{i,j}=Mb{:,j}/b{i,j};
end
end
That error pointing at "/" in R{i,j}=Mb{:,j}/b{i,j};
anybody knows what's my fault?
please help me :)

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回答（2 个）

Azzi Abdelmalek
Azzi Abdelmalek 2012-10-17
编辑：Azzi Abdelmalek 2012-10-17
R{i,j}=Mb{:,j}/b{i,j};
what is Mb{:,j}?
and why Mb=max([b{:,2}])?
  2 个评论
baby
baby 2012-10-17
Mb is for decide the highest value in matrix "b"
anyway, is that wrong?
Azzi Abdelmalek
Azzi Abdelmalek 2012-10-17
no it is not, the highest is
bb=cellfun(@double,b(:,2:end))
Mb=max(bb(:))
Walter Roberson
Walter Roberson 2012-10-17
b{1,1} is a string, so you are trying to divide a matrix by a character vector.
By the way, have a look at the documentation for rdivide and compare it to the documentation for mrdivide

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