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fprintf length of vector

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Arashdeep Dhillon
Arashdeep Dhillon 2019-4-17
评论： Guillaume 2019-4-23
how do i print the length of a vector?? so i have a vector V = [4,9,-3,12,0,-9,15,17,25,-6,4,10,-2,15] and i got its length by L = length (V) now how do i print the length?

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回答（1 个）

Adam Danz
Adam Danz 2019-4-17
编辑：Adam Danz 2019-4-23
fprintf('Length of vector is %d\n', length(V))
The " %d " specifies that the number to be printed is an integer which should always be the output of length().
The " \n " specifies that a new line should be started after this text.
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Guillaume
Guillaume 2019-4-23
Note: another option that may be more intuitive for beginners
disp("Length of vector is " + length(V))
I'd recommend using numel rather than length. Many people misuse length.

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