For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D
Find the hypotenuse
Finding an element in a vector
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics II - Count rows in a matrix
Matlab Basics II - Unit Conversion
Replace every 3rd element in a vector with 4
Matlab Basics II - Operations and Matrix Dimensions
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