query: How to prove that this ODE has no real solutions?
positive_passages.docid: 146693
positive_passages.text: To show that differential equation $\lvert{dy\over{dx}}\rvert\,+\mid{y}\mid+1=0 $ has no real solution.
negative_passages.docid: 118462
negative_passages.text: How to solve this first-order differential equation?
negative_passages.docid: 55210
negative_passages.text: Prove that the equation: $c_0+c_1x+\ldots+c_nx^n=0$ has a real solution between 0 and 1.
negative_passages.docid: 72872
negative_passages.text: Number of zeroes of solution to $y''(x)+e^{x^2}y(x)=0$ in $[0,3π]$
negative_passages.docid: 142538
negative_passages.text: The number of solutions to an $n^{th}$ order differential equation.
negative_passages.docid: 151958
negative_passages.text: How to show $f'(0)$ exist and is equal to $1$?
negative_passages.docid: 32776
negative_passages.text: DSolve gives complex function although the solution is a real one
negative_passages.docid: 5189
negative_passages.text: Solving a system of ODEs with the Runge-Kutta method
negative_passages.docid: 125999
negative_passages.text: When does a system of equations have no solution?
negative_passages.docid: 146698
negative_passages.text: DSolve gets stuck on system of differential equations with unassigned variable
negative_passages.docid: 14542
negative_passages.text: No result from DSolve
negative_passages.docid: 71465
negative_passages.text: solution of $y' = \exp \left(-\frac yx\right) + \frac yx$
negative_passages.docid: 36302
negative_passages.text: How to solve differential equations of the form $f'(x) = f(x + a)$
negative_passages.docid: 142870
negative_passages.text: Prove the function is not differentiable at (0,0)
negative_passages.docid: 30695
negative_passages.text: Can I solve this differential equation at a point?
negative_passages.docid: 55188
negative_passages.text: Second order ODE - why the extra X for the solution?
negative_passages.docid: 3978
negative_passages.text: How can you prove that a function has no closed form integral?