Why $(x-vt)^2$ does not represent a wave?
68896
Why should a solution to the wave equation be finite?
37120
Frequencies of a standing EM wave in a box (Schwartz QFT)
127329
A problem about wave equation
49060
What is the difference in the uses of $\omega t$ and $kx$ in wave equation?
21783
How to prove wave nature of large object?
87635
Why cannot I obtain a valid SVD of X via eigenvalue decomposition of XX' and X'X?
104902
How does Huygens Principle incorporate the unidirectional property of a traveling wave?
11654
Where does $xe^x$ solution come from when the characteristic polynomial is square?
96584
Why isn't the volume formula for a cone $\pi r^2h$?
82291
$T$ has no eigen-values
156879
"Reality" of EM waves vs. wavefunction of individual photons - why not treat the wave function as equally "Real"?
13727
Wave equation: $y=A \sin(\omega t-kx)$ or $y=A\sin(kx-\omega t)$?
18541
What does a de Broglie wave look like?
88813
SphericalHarmonicY does not seem to be an eigenfunction of the spherical harmonic equation
56745
Why does this not work with an imaginary exponent?
12752
Question about the solution of the wave equation
146358
Why is there a $\frac 1 2$ in $\frac 1 2 mv^2$?