Solve: $U_x+U_y+U=e^{x+2y}$ with $U(x,0)=0$
25730
Solve $u_x + u_y + u = e^{x+2y}$
106033
Solve the system in $\mathbb{R}$
18510
How to solve the following equation numerically?
6937
General solution to the PDE $xU_x+yU_y=0$
49211
Solving $f(x+y) = f(x)f(y)f(xy)$
76716
Solve an equation in $\mathbb{R}^+$
62211
Partial Differential Equation $U_t - (U_x)^2 = 0$
99235
Differential Equation $y'' - 4y' + 4y = 0$
44366
ODE $\frac{dy}{dx}=x^{2}+y^{2}, y(0)=0.$
62161
Solutions of the Pell-type equation $x^2-2y^2=-1$
142460
Exact Differential Equations $(axy^2+by)dx+(bx^2y+ax)dy=0$.
124581
Solving $x^2 - 1 = e^x$
87066
How do I solve the following equation?
69172
$y'=$ ${-x+\sqrt{(x^2+4y)}}\over 2$ , $y(2)=-1$
61105
solve$\frac{xdx+ydy}{xdy-ydx}=\sqrt{\frac{a^2-x^2-y^2}{x^2+y^2}}$
142596
Evans PDE Chapter 5 Problem 11: Does $Du=0$ a.e. implie $u=c$ a.e.?
78719
Solve the DE $yy^{\prime}+x=\sqrt{x^2+y^2}$