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Apr
6
awarded  Popular Question
Aug
26
awarded  Popular Question
Jul
2
awarded  Curious
May
11
comment Helmholtz equation in Laplace equation of cylinder
Great! Thank you!
May
11
accepted Helmholtz equation in Laplace equation of cylinder
May
11
revised Helmholtz equation in Laplace equation of cylinder
edited tags
May
11
revised Helmholtz equation in Laplace equation of cylinder
added 5 characters in body
May
11
comment Helmholtz equation in Laplace equation of cylinder
@Jeb: No, I have solved this. It is $\phi$ dependent.
May
11
asked Helmholtz equation in Laplace equation of cylinder
Feb
2
accepted Prove that $g_1=2\sin(x)+\cos(x)$, $g_2=3\cos(x)$ is a basis in $V$
Feb
2
comment Prove that $g_1=2\sin(x)+\cos(x)$, $g_2=3\cos(x)$ is a basis in $V$
Thank you! I was onto that type of comparison, but I was not sure if that completed the proof.
Feb
2
asked Prove that $g_1=2\sin(x)+\cos(x)$, $g_2=3\cos(x)$ is a basis in $V$
Feb
1
accepted Decide a subspace
Feb
1
comment Decide a subspace
Thank you Paul, that made it!
Feb
1
revised Decide a subspace
added 8 characters in body
Feb
1
comment Decide a subspace
Thanks Paul. But how do you think when you set up the span{${x, x^2, x^3}$}? Because to me I cannot find a good way to think when I am supposed to find a base in this case.
Feb
1
asked Decide a subspace
Jan
28
accepted Check if a matrix is a linear combination
Jan
28
comment Check if a matrix is a linear combination
Thank you, that clears it up.
Jan
28
comment Check if a matrix is a linear combination
However, it seems pretty obvious that it is so when I look at @AnonSubmitter85's answer below.