Absolute Value of Real and Complex Numbers in Python - abs(), math.fabs(), math.copysign() Tutorial

Explanation of Absolute Value - 1:35
--Absolute value as the "magnitude" of a vector - 3:51
--Visualizing Absolute Value with the Graph y = |x| - 6:24
--Using the Absolute Value Vertical Bars for Your User's Benefit (programming an "Absolute Value Machine") - 9:48
Taking the Absolute Value with abs() - 14:22
--Taking the Absolute Value of an Expression - 16:34
--Taking the Absolute Value of Infinity and Negative Infinity - 18:30
--Taking the Absolute Value of "Not a Number"? - 19:13
--Taking the Absolute Value of Scientific Notation - 21:00
Taking the Absolute Value of a Complex Number - 23:36
--Visualizing the Absolute Value of Complex Numbers Graphically - 29:33
----Absolute Value of a Complex Number That Has a Real Part and an Imaginary Part - 31:56