2.1520   ODE No. 1520

  1. Problem in Latex
  2. Mathematica input
  3. Maple input

y(x)(6x(a1+a2+a3)+3a1a2+3a1a3+3a2a3+9x2)+2(xa1)(xa2)(xa3)y(3)(x)2(b+(n2+n3)x)y(x)n(n+1)y(x)=0 Mathematica : cpu = 66.496 (sec), leaf count = 0 , DifferentialRoot result

\left \{\left \{y(x)\to \text {DifferentialRoot}\left (\{\unicode {f818},\unicode {f817}\}\unicode {f4a1}\left \{-n (n+1) \unicode {f818}(\unicode {f817})-2 \left (\unicode {f817} n^2+\unicode {f817} n-3 \unicode {f817}+b\right ) \unicode {f818}'(\unicode {f817})+3 \left (3 \unicode {f817}^2-2 \text {a1} \unicode {f817}-2 \text {a2} \unicode {f817}-2 \text {a3} \unicode {f817}+\text {a1} \text {a2}+\text {a1} \text {a3}+\text {a2} \text {a3}\right ) \unicode {f818}''(\unicode {f817})-2 (\text {a1}-\unicode {f817}) (\text {a2}-\unicode {f817}) (\text {a3}-\unicode {f817}) \unicode {f818}^{(3)}(\unicode {f817})=0,\unicode {f818}(0)=c_1,\unicode {f818}'(0)=c_2,\unicode {f818}''(0)=c_3\right \},\langle \langle \rangle \rangle \right )(x)\right \}\right \}

Maple : cpu = 2.532 (sec), leaf count = 272

{y(x)=_C1(HeunG(a1a3a2a3,(n2+n1)a3+ba1a24a24a3,n2,n2+12,12,12,xa3a2a3))2+_C3HeunG(a1a3a2a3,(n2+n1)a3+ba1a24a24a3,n2,n2+12,12,12,xa3a2a3)HeunG(a1a3a2a3,(n2+n3)a3+b4a24a3,n2+1,n2+12,32,12,xa3a2a3)x+a3(HeunG(a1a3a2a3,(n2+n3)a3+b4a24a3,n2+1,n2+12,32,12,xa3a2a3))2_C2(xa3)}