Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Return the first and last character of a string
Remove the two elements next to NaN value
Area of an Isoceles Triangle
Sum the 'edge' values of a matrix
Determine if input is divisible by three.
Replace every 3rd element in a vector with 4
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics - Create a row vector
Matlab Basics II - Max & Index of Max
Matlab Basics II - 3 Dimensional Arrays
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