Count number of words in string
'hi', answer is 1
'hi hi', answer is 2
'I enjoy cody', answer is 3
Back to basics 25 - Valid variable names
Vectors counting by 2
Matlab Basics - Absolute Value
Find the next state of a JK Flip-Flop
Find out Harmonic mean.
Create an anti-identity matrix
Find the rank of a matrix
Change the first and last diagonal element of the identity matrix to zero
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