2.430   ODE No. 430

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

a0x+y(x)(a1x+b1y(x)+c1)+(a2x+c2)y(x)2+b0y(x)+c0=0 Mathematica : cpu = 238.665 (sec), leaf count = 478

Solve[{x=(b0+b1K$379019)exp((b1(b0a1)+2a2b0)tan1(a1+2K$379019(a2+b1)+b04a0(a2+b1)a122a1b0b02)(a2+b1)4a0(a2+b1)a122a1b0b02(2a2+b1)log(a0+K$379019(a1+K$379019(a2+b1)+b0))2(a2+b1))(c12c2K$379019b0+b1K$379019b1(c0c1K$379019c2K$3790192)(b0+b1K$379019)2)exp((2a2+b1)log(a0+K$379019(a1+K$379019(a2+b1)+b0))2(a2+b1)(b1(b0a1)+2a2b0)tan1(a1+2K$379019(a2+b1)+b04a0(a2+b1)a122a1b0b02)(a2+b1)4a0(a2+b1)a122a1b0b02)(b0+b1K$379019)(K$379019a0a1K$379019a2K$3790192b0+b1K$379019)dK$379019+c1(b0+b1K$379019)exp((b1(b0a1)+2a2b0)tan1(a1+2K$379019(a2+b1)+b04a0(a2+b1)a122a1b0b02)(a2+b1)4a0(a2+b1)a122a1b0b02(2a2+b1)log(a0+K$379019(a1+K$379019(a2+b1)+b0))2(a2+b1)),y(x)=x(a0a1K$379019a2K$3790192)b0+b1K$379019+c0c1K$379019c2K$3790192b0+b1K$379019},{y(x),K$379019}] Maple : cpu = 1.861 (sec), leaf count = 1602

{12a2x+2c2(2e2a2b0+b1(a1b0)(4a2+4b1)a0(a1+b0)2(a2+b1)arctan((a2+b1)b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12+b1(a2+b1)y(x)+(b0x+c1)a2+(a1x+c1)b1c2(a1+b0)(4a2+4b1)a0(a1+b0)2(a2x+c2))(b1b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12+b12y(x)+(a1x+c1)b12b0(a2x+c2))(_C1+1/2a1xb1y(x)b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12c12a2x+2c2(2_ac2+c1)b0+b1(_a2c2c0)(_ab1+b0)2e2a2b0+b1(a1b0)(4a2+4b1)a0(a1+b0)2(a2+b1)arctan((2a2+2b1)_a+a1+b0(4a2+4b1)a0(a1+b0)2)((a2+b1)_a2+(a1+b0)_a+a0)b12a2+2b1d_a)(1/2(b1(a2+b1)y(x)+(b0x+c1)a2+(a1x+c1)b1c2(a1+b0))b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12+b12(a2+b1)(y(x))2+((2a1x+2c1)b12+(((a13b0)x+2c1)a2c2(a1+3b0))b12b0a2(a2x+c2))y(x)+((2a0x22c0x)a2+a12x2+(2a0c2+2c1a1)x2c0c2+c12)b12a22c0x+(a1b0x2+(2a0c2+c1(a1b0))x2c0c2+c12)a2(a1(a1+b0)x2a0c2+c1(a1+b0))c2(a2x+c2)2)2a2b12a2+2b1+2a2x2+2xc2)=0,12a2x+2c2(2e2a2b0+b1(a1b0)(4a2+4b1)a0(a1+b0)2(a2+b1)arctan((a2b1)b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12+b1(a2+b1)y(x)+(b0x+c1)a2+(a1x+c1)b1c2(a1+b0)(4a2+4b1)a0(a1+b0)2(a2x+c2))(b1b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12+b12y(x)+(a1x+c1)b12b0(a2x+c2))(_C11/2a1xb1y(x)c1+b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c122a2x+2c2(2_ac2+c1)b0+b1(_a2c2c0)(_ab1+b0)2e2a2b0+b1(a1b0)(4a2+4b1)a0(a1+b0)2(a2+b1)arctan((2a2+2b1)_a+a1+b0(4a2+4b1)a0(a1+b0)2)((a2+b1)_a2+(a1+b0)_a+a0)b12a2+2b1d_a)(1/2(b1(a2+b1)y(x)+(a1xc1)b1+(b0xc1)a2+c2(a1+b0))b12(y(x))2+((2b1a14a2b0)x4b0c2+2b1c1)y(x)+(4a0a2+a12)x2+(4a0c2+2c1a14a2c0)x4c0c2+c12+b12(a2+b1)(y(x))2+((2a1x+2c1)b12+(((a13b0)x+2c1)a2c2(a1+3b0))b12b0a2(a2x+c2))y(x)+((2a0x22c0x)a2+a12x2+(2a0c2+2c1a1)x2c0c2+c12)b12a22c0x+(a1b0x2+(2a0c2+c1(a1b0))x2c0c2+c12)a2(a1(a1+b0)x2a0c2+c1(a1+b0))c2(a2x+c2)2)2a2b12a2+2b1+2a2x2+2xc2)=0}