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- Dy:'diff(y,x)$
- F:(Dy)^2+9*y^2+2*sin(x)*y-(x^2)*%e^(x)$
- FDy:diff(F,Dy)$
- eqn:diff(F,y)-(diff(FDy,x)+diff(FDy,y)*'diff(y,x)+diff(FDy,Dy)*'diff(y,x,2))=0$
- eqn2:subst(Dy='diff(y,x),eqn)$
- sol:ode2(eqn2,y,x)$
- sol2:bc2(sol, x=0, y=1, x=1, y=-1)$
- f:subst([x=0,y=1],sol);
- eq2:subst([Dy=diff(rhs(sol),x),y=rhs(sol)],FDy=0)$
- eq2:subst([x=1],eq2)$
- con:solve([f,eq2],[%k1,%k2]);
- con2:subst(con,sol);
- plot2d([rhs(sol2),rhs(con2)],[x,0,1],[xlabel,"Ось X"],[ylabel,"Ось Y"]);
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