Substutution of Ansatz of an ODE
120841
Solving the Helmholtz equation in polar coordinates
58083
what can I say about the solution $y(x)$ of the ODE?
78994
Using a numerical solver to solve a system of ODEs
81358
System of linear differential equation
74532
Solve for $ A $ from $ A {A}^{T} $
152472
How to get solutions in elementary functions to the following non-linear ODE
71638
Integrating a step function using antiderivatives
108284
Integration and existence of an antiderivative
49284
Solving an ODE in power series
43294
Solution to 2nd order PDE
67807
Calculating the error in the solution of a system of ODEs
149575
Order and degree of a differential equation
116718
Motivating the ansatz for the infinitesimal translation operator
144018
Integration by parts for f(x).g(x)
38839
Exponential of the differential operator
145504
Help solving variable separable ODE: $y' = \frac{1}{2} a y^2 + b y - 1$ with $y(0)=0$
57630
Second order homogeneous differential equations: why do repeated roots modify the solution set?