Select every other element of a vector
give nth decimal place of pi
Generate pi using logarithm
Sum the elements in either diagonal of a square matrix
ベクトル [1 2 3 4 5 6 7 8 9 10] の作成
Find the dimensions of a matrix
Concatenate two strings
Create the following sequence : 0 1 1 4 9 25 64 169 ...
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