Energy Method

13:53
Energy Method for the Heat Equation

26:17
Derivation of the 1D Wave Equation

15:41
Step Function and Delta Function

20:32
Half Heat Equation

24:48
The best A – A ≠ 0 paradox

17:47
Proof of uniqueness of solutions for the heat equation pde

20:43
Reflection of waves

46:28