but this problem is not in 2013 and downer versions
answer:y = round(x,3)
why roundn not work?
@arsenic 陈: roundn is a toolbox function. Cody only supports functions in basic MATLAB.
03 - Matrix Variables 2
Swap two numbers
Matlab Basics - Pick out parts of a vector
Replace every 3rd element in a vector with 4
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Switching Assignments
Matlab Basics II - Minimum
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