Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
vectorization in N
middleAsColumn: Return all but first and last element as a column vector
Multiply a column by a row
Try 1.5.4: Celsius to Fahrenheit
Are you in XY plane?
Replace every 3rd element in a vector with 4
Matlab Basics - Absolute Value
Finding an element in a vector
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics - Rounding I
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