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1d
answered How to address multiple cases in this BVP? (Laplace equation in quarter-annulus)
1d
revised The Wave Equation and Linear Combinations
deleted 8 characters in body
1d
comment How to solve boundary value problem?
Let $u(x,t)=\sum\limits_{n=1}^\infty C(n,t)\sin2n\pi x$ so that it automatically satisfies $u(0,t)=u(1,t)=0$ and the size of the intervals are $\dfrac{1}{2}$ and start from $0$
1d
revised wave equation with neumann boundary and initial condition hat function
added 125 characters in body
1d
revised Boundary conditions that yields no solutions to the coefficient?
added 260 characters in body; added 6 characters in body
1d
revised Solving the heat equation
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1d
comment How to address multiple cases in this BVP? (Laplace equation in quarter-annulus)
It should be better to match for $\theta$ first rather than $r$ first.
1d
revised Solve the following PDE: $(1+\sqrt{z-y-x})z'_x+z'_y=2$
added 151 characters in body
1d
revised Solve the following PDE: $(1+\sqrt{z-y-x})z'_x+z'_y=2$
added 156 characters in body
1d
answered Solve the following PDE: $(1+\sqrt{z-y-x})z'_x+z'_y=2$
1d
answered Boundary conditions that yields no solutions to the coefficient?
2d
revised solving a PDE in 2 variables without boundary conditions
edited body
May
21
revised inhomogeneous pdes by separation of variables
added 1237 characters in body
May
21
answered inhomogeneous pdes by separation of variables
May
21
revised Partial differential equation (heat equation with other terms)?
added 585 characters in body
May
21
revised Solution to the heat equation with mixed boundary conditions and step function.
added 436 characters in body
May
20
awarded  Necromancer
May
18
answered Nonlinear Partial DE
May
17
comment Relation between Laplace and Fourier transform
@sonystarmap see 311 of en.wikipedia.org/wiki/Fourier_transform#Distributions
May
17
revised solving a PDE in 2 variables without boundary conditions
added 188 characters in body