Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Get the length of a given vector
Cell Counting: How Many Draws?
frame of the matrix
Area of an equilateral triangle
MATLAB Basic: rounding IV
Matlab Basics II - Minimum
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics - Rounding I
Finding an element in a vector
Matlab Basics - Convert a row vector to a column vector
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