Find all elements less than 0 or greater than 10 and replace them with NaN
Insert zeros into vector
Dimensions of a rectangle
Back to basics - mean of corner elements of a matrix
Find the area of a triangle
Find state names that end with the letter A
What is the next step in Conway's Life?
Find the numeric mean of the prime numbers in a matrix.
Word Counting and Indexing
Read a column of numbers and interpolate missing data
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