Published On Apr 6, 2021
• Differential Equations. All Basics fo...
00:00 Why do I need differential equations?
00:30 What is a differential equation?
03:24 Different notations of a differential equation
05:03 What should I do with a differential equation?
06:15 How to identify a differential equation
07:11 What are coupled differential equations?
08:36 Classification: Which DEQ types are there?
15:48 What are DEQ constraints?
18:08 Difference between boundary and initial conditions
20:39 Solving method #1: Separation of variables
23:03 Example: Radioactive Decay law
24:49 Solving method #2: Variation of constants
28:02 Example: RL Circuit
31:33 Solving method #3: Exponential ansatz
37:17 Example: Oscillating Spring
43:21 Solving method #4: Product / Separation ansatz
More: https://en.fufaev.org/differential-eq...
Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equatio...
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory