what's the "str2num" mean?
str2num means "convert string to number"; even more cryptic is the fact that "str2num 1:10" is equivalent to "str2num('1:10')" (Matlab allows you to omit the single quotes and parentheses when using functions that take character strings as arguments).
Word Counting and Indexing
Vectors counting by 2
Solve a System of Linear Equations
Calculate Inner Product
Finding Perfect Squares
Remove the small words from a list of words.
The Goldbach Conjecture
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