Write a script to round a variable x to 3 decimal places:
e.g. x = 2.3456 --> y = 2.346
Find out missing number from a vector of 9 elements
Number of digits in an integer
Find nth maximum
Multiply by 3
Add a block to a model
Matlab Basics - Rounding III
Matlab Basics II - Operations and Matrix Dimensions
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Absolute Value
Matlab Basics - Create a row vector
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