For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D
Determine whether a vector is monotonically increasing
Rotate a Matrix
Derivative of polynomial
2倍してみよう - ここからスタート！
Integer or Float?
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - squares
Matlab Basics II - Operations and Matrix Dimensions
Replace every 3rd element in a vector with 4
Matlab Basics - Rounding I
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