1 (load("contrib_ode"),0);
4 /* ODE tests - Murphy equations 1.501 - 1.600
7 G M Murphy, Ordinary Differential Equations and Their
8 Solutions, Van Nostrand, 1960
10 First Order and of First Degree, p 224 ff
13 /* Don't kill(all); It messes up trigsimp */
16 (pn_(n_):=print("Murphy ODE 1.",n_),true);
19 /* 593 - Abel eqn of 2nd kind */
20 (pn_(593),ans:contrib_ode(eqn:x^7*y*'diff(y,x)=2*(1+x^2)+5*x^3*y,y,x));