what is the meaning of the code?

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ARJUN K P 2015-9-20

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回答： Image Analyst 2015-9-20

采纳的回答： Image Analyst

last16 = 42*ones(16,1);

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per isakson 2015-9-20

编辑：Walter Roberson 2015-9-20

Did you try read the help? See ones, Create array of all ones

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Image Analyst 2015-9-20

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It first uses the ones() function to make a 16-by-1 column vector of 1's. Then since it multiplies that by 42, it ends up with a column vector where every element has the value of 42. Any time you see a function that you don't know what it does, look it up in the help.