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).
Determine if input is odd
Calculate the area of a triangle between three points
Is this triangle right-angled?
2倍してみよう - ここからスタート！
Model a mass spring system
Who Has the Most Change?
Find all elements less than 0 or greater than 10 and replace them with NaN
Most nonzero elements in row
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