Internal
problem
ID
[6436]
Book
:
Ordinary
differential
equations
and
their
solutions.
By
George
Moseley
Murphy.
1960
Section
:
Part
II.
Chapter
4.
THE
NONLINEAR
EQUATION
OF
SECOND
ORDER,
page
380
Problem
number
:
134
Date
solved
:
Tuesday, September 30, 2025 at 02:56:49 PM
CAS
classification
:
[NONE]
ode:=y(x)*diff(diff(y(x),x),x) = exp(x)*y(x)*(a0+a1*y(x)^2)+exp(2*x)*(a2+a3*y(x)^4)+diff(y(x),x)^2; dsolve(ode,y(x), singsol=all);
ode=y[x]*D[y[x],{x,2}] == E^x*y[x]*(a0 + a1*y[x]^2) + E^(2*x)*(a2 + a3*y[x]^4) + D[y[x],x]^2; ic={}; DSolve[{ode,ic},y[x],x,IncludeSingularSolutions->True]
Not solved
from sympy import * x = symbols("x") a0 = symbols("a0") a1 = symbols("a1") a2 = symbols("a2") a3 = symbols("a3") y = Function("y") ode = Eq(-(a0 + a1*y(x)**2)*y(x)*exp(x) - (a2 + a3*y(x)**4)*exp(2*x) + y(x)*Derivative(y(x), (x, 2)) - Derivative(y(x), x)**2,0) ics = {} dsolve(ode,func=y(x),ics=ics)
NotImplementedError : The given ODE -sqrt(-a0*y(x)*exp(x) - a1*y(x)**3*exp(x) - a2*exp(2*x) - a3*y(x