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.
Back to basics 15 - classes
Min of a Matrix
Sum of series III
MATLAB Basic: rounding
Matlab Basics II - squares
Matlab Basics II - Operations and Matrix Dimensions
Matlab Basics - Switching Assignments
Replace every 3rd element in a vector with 4
Matlab Basics - Rounding III
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