"???In an assignment A(I) = B, the number of elements in B and I must be the same."

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Anisa
Anisa 2013-2-9
I have two matrix A & B. Matrix A size 1x1013 double and matrix B size 1x12931 double. I want to convert each element of matrix A into base-N from matrix B. For example, first element of matrix A converted into first element of matrix B, second element of matrix A converted into second element of matrix B, and so on.
mm = length(A);
nn = length(B);
base = cell(1,mm);
for ff = 1:mm;
x(ff) = dec2base(A(ff),B(ff));
base{ff} = x;
end
I got error:
???In an assignment A(I) = B, the number of elements in B and I must be the same."
How to fix it? Thank you.

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回答（1 个）

Image Analyst
Image Analyst 2013-2-9
编辑：Image Analyst 2013-2-9
Use these lines:
for ff = 1:mm
x(ff) = str2double(dec2base(A(ff),B(ff)));
base{ff} = x(ff);
end
the issue was dec2base was returning a character string, not a number.
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Anisa
Anisa 2013-2-18
I already tried your solution, but still got the same warning. Why?
mm = length(A);
nn = length(B);
base = cell(1,mm);
x = zeros(1,mm)
for ff = 1:mm
ff
AA=A(ff)
BB=B(ff)
x(ff) = str2double(dec2base(int32(AA),int32(BB)));
base{ff} = x(ff);
end

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