can anyone help me to find the solution of the statement "how to get the values only in the places where A has"

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Prabha Kumaresan
Prabha Kumaresan 2018-1-15
评论： Walter Roberson 2018-1-24
A=[0 0.6318 0 4.0000 0.1662 0 0 0 0.5583 0;
0 0.1265 0 0.2120 5.0000 0 0 0 0.7425 0;
0 2.0000 0 0.7032 0.5578 0 0 0 2.0000 0]
B=size(A)
C=rand(B)
If i run the code it executes but for C it gives values for all the places. But how to get the values only in the places where A has.

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Walter Roberson
Walter Roberson 2018-1-15
C = rand(size(A)) .* (A ~= 0);
  2 个评论
Prabha Kumaresan
Prabha Kumaresan 2018-1-24
The above command works fine. In the command since rand is being used C takes random number of values. could you please tell me how to have the random value under the condition "such that the minimum should be 0.001 and maximum should be 0.300 " and adding up of all the values should be equal to 0.35.could you please help me how to have the minimum,maximum and add onto the command line.

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