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).
Read a column of numbers and interpolate missing data
surface of a spherical planet
Make a run-length companion vector
The sum of the numbers in the vector
Van Eck's Sequence's nth member
Counting in Finnish
Renaming a field in a structure array
Prime factor digits
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