Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, as well as elements 5-7 and places them in a vector y in reverse order, for example:
x = [1 2 3 4 5 6 7] --> y = [5 6 7 2]
Remove any row in which a NaN appears
Back to basics 23 - Triangular matrix
Multiply by 3
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - Operations and Matrix Dimensions
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics II - Intervals
Matlab Basics - Rounding III
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