DSolve "Equation or list of equations expected instead of True in the first \ argument "
27326
Error entering equation in DSolve
86244
Finding NDSolve method details
12726
Differentiating both sides of a non-differential equation
131197
solution of a ODE with a function of $\dot{x}$
77311
Function output from DSolve
116083
Problems with NDSolve and stiffness
2783
Trouble with ParametricNDSolveValue
5867
Initial time as parameter in ParametricNDSolve
149344
Solve a differential equation and evaluate the solution at a particular value of independent variable
16474
Numerical solution to PDE seems to contradict initial values
86548
First-order trigonometric differential equation
75452
Initial value problem with $t$ and $x'$
61267
List of functions not integrable in elementary terms
136692
Why should the spatial derivative order of the ODE *not* exceed two?
130154
How to get solution from DSolve
79822
Problems with partial derivatives.
18215
NDSolve with Piecewise gives the incorrect answer randomly