Write a script to round a variable x to 3 decimal places:
e.g. x = 2.3456 --> y = 2.346
Flip the main diagonal of a matrix
Find out missing number from a vector of 9 elements
Relative ratio of "1" in binary number
Matlab Basics - Assigning Variables
Matlab Basics - Rounding I
Matlab Basics II - Velocity of a particle
Finding an element in a vector
Matlab Basics II - squares
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