how do I replace zeros

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Aleksy Golemo
Aleksy Golemo 2018-2-7
回答： Star Strider 2018-2-7
  • x = zeros(1,17); % this is my initial vector of zeros
  • x = round(200 + (400-200).*rand(1,16)); % this is my generation of random numbers between 200 and 400
  • sum(x); % this is my sum of my randomly generated numbers
How do I replace the zeros in my initial vector with the 1x16 vector that I generated, and and it with the sum, creating a final 1x17 vector?

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回答（1 个）

Star Strider
Star Strider 2018-2-7
Address 16 of the elements of ‘x’:
x = zeros(1,17); % this is my initial vector of zeros
x(1:16) = round(200 + (400-200).*rand(1,16)); % this is my generation of random numbers between 200 and 400
sx = sum(x); % this is my sum of my randomly generated numbers
See the documentaiton on Matrix Indexing (link) for details.

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