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visits member for 2 years, 2 months
seen Dec 1 at 10:56

UCR Fourth Year student.


Dec
1
asked Continuous random variable transformations
Oct
13
comment Finding a solution to $xu_x+(y+1)u_y=u-1$ given an initial condition
You integrate two at a time. For example, I did the left most and middle, and then the left most and the right most one. That's how I yielded $c_1$ and $c_2$.
Oct
13
revised Finding a solution to $xu_x+(y+1)u_y=u-1$ given an initial condition
added 4 characters in body
Oct
13
asked Finding a solution to $xu_x+(y+1)u_y=u-1$ given an initial condition
Oct
2
awarded  Yearling
Sep
24
awarded  Autobiographer
Sep
22
accepted Finding a general solution for $u_{xx}-4u_{xy}+3u_{yy}=0$
Sep
22
accepted Showing that an equation is a general solution for a PDE
Sep
22
accepted Solving a PDE via charateristics
Sep
21
comment Solving a PDE via charateristics
Suppose $f(x)=x+1$. Would I simply substitute it is and solve for $F$?
Sep
20
asked Solving a PDE via charateristics
Sep
9
asked Showing that an equation is a general solution for a PDE
Sep
8
comment Finding a general solution for $u_{xx}-4u_{xy}+3u_{yy}=0$
I'm having problems with the terminology. I've always thought that the solution to a DE consists of a particular and general solution added together.
Sep
8
comment Finding a general solution for $u_{xx}-4u_{xy}+3u_{yy}=0$
So you mean, for example, $u_{xx}=f_{xx}(\lambda x+y)\lambda^2$ and so forth? Doesn't the $f_{xx}$ and sort forth complicate factoring?
Sep
8
asked Finding a general solution for $u_{xx}-4u_{xy}+3u_{yy}=0$
Aug
7
awarded  Critic
Aug
7
accepted Showing that $\lambda(n)|\phi(n)$ where $n$ is a positive integer.
Aug
6
comment A consequence of Wilson's Theorem
Let me make sure I understand everything. First we have $(p-1)!=(p-1)(p-2)\cdots(p-k)(p-(k+1))!=\pm k!(p-(k+1))!.$ I'm not sure how this is equivalent to $(-1)^{k+1}$ modulo $p$.
Aug
6
comment A consequence of Wilson's Theorem
This is really interesting.
Aug
6
comment A consequence of Wilson's Theorem
-k!(p-(k+1))! I believe