For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Given a 4x4 matrix, swap the two middle columns
Matlab Basics - Assigning Variables
Matrix of almost all zeros, except for main diagonal
Matlab Basics - Logical Tests I
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Create a row vector
Matlab Basics II - Unit Conversion
Matlab Basics II - Create a vector with a repeated entry
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