Back to basics 25 - Valid variable names
find radius of cone
sum of first 'n' terms
Back to basics - mean of corner elements of a matrix
Change the first and last diagonal element of the identity matrix to zero
Matlab Basics - Rounding I
Matlab Basics - Rounding II
Matlab Basics II - Find the roots of a function
Matlab Basics II - Count rows in a matrix
Matlab Basics II - Velocity of a particle
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