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In this paper, the (G'/G)-expansion method is used to solve the two kinds of nonlinear KdV equations with variable coefficients for the first time. And some new exact solutions are obtained successfully. It is proved that the (G'/G)-expansion method is not only appropriate for solving nonlinear evolution equations with constant coefficients but also excellently applicable to the nonlinear evolution equations with variable coefficients, and it also has a broad application prospect.
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Keywords:
- the (G'/G)-expansion method /
- nonlinear KdV equation with variable coefficients /
- exact solutions
[1] Liu S S, Fu Z T, Liu S D, Zhao Q 2002 Acta Phys. Sin. 51 1923 (in Chinese) [刘式适, 付遵涛, 刘式达, 赵强 2002 物理学报 51 1923]
[2] Liu C S 2005 Acta Phys. Sin. 54 4506 (in Chinese) [刘成仕 2005 物理学报 54 4506]
[3] Yang X L, Tang J S 2007 J. Hunan Univ. 34 72 (in Chinese) [杨先林, 唐驾时 2007 湖南大学学报 34 72]
[4] Li D S, Zhang H Q 2003 Acta Phys. Sin. 52 1569 (in Chinese) [李德生, 张鸿庆 2003 物理学报 52 1569]
[5] Zhang J F, Chen F Y 2001 Acta Phys. Sin. 50 1648 (in Chinese) [张解放, 陈芳跃 2001 物理学报 50 1648]
[6] Cai G L, Ling X D, Wang Q C 2008 J. College Math. 24 26 (in Chinese) [蔡国梁, 凌旭东, 王庆超 2008 大学数学 24 26]
[7] Mao J J, Yang J R 2007 Acta Phys. Sin. 56 5049 (in Chinese) [毛杰健, 杨建荣 2007 物理学报 56 5049]
[8] Zhou Y B, Wang M L, Wang F, Miao T D 2004 J. Lanzhou Univ. 40 1
[9] Ao T G 2007 J. Inner Monglia Univ. 38 597 (in Chinese) [敖特根 2007 内蒙古大学学报 38 597]
[10] Wang M L, Li X Z, Zhang J L 2008 J. Phys. Lett. A 372 417
[11] Feng Q H, Meng F W, Zhang Y M 2011 Chin. Phys. B 20 120201
[12] Zhang J, Wei X L, Lu Y J 2008 J. Phys. Lett. A 372 3653
[13] Filiz T, Ahmet B 2010 Chin. Phys. B 20 040203
[14] Li E Q, Wang M L 2008 J. Henan Sci. Technol. Univ. 29 80 (in Chinese) [李二强, 王明亮 2008 河南科技大学学报 29 80]
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[1] Liu S S, Fu Z T, Liu S D, Zhao Q 2002 Acta Phys. Sin. 51 1923 (in Chinese) [刘式适, 付遵涛, 刘式达, 赵强 2002 物理学报 51 1923]
[2] Liu C S 2005 Acta Phys. Sin. 54 4506 (in Chinese) [刘成仕 2005 物理学报 54 4506]
[3] Yang X L, Tang J S 2007 J. Hunan Univ. 34 72 (in Chinese) [杨先林, 唐驾时 2007 湖南大学学报 34 72]
[4] Li D S, Zhang H Q 2003 Acta Phys. Sin. 52 1569 (in Chinese) [李德生, 张鸿庆 2003 物理学报 52 1569]
[5] Zhang J F, Chen F Y 2001 Acta Phys. Sin. 50 1648 (in Chinese) [张解放, 陈芳跃 2001 物理学报 50 1648]
[6] Cai G L, Ling X D, Wang Q C 2008 J. College Math. 24 26 (in Chinese) [蔡国梁, 凌旭东, 王庆超 2008 大学数学 24 26]
[7] Mao J J, Yang J R 2007 Acta Phys. Sin. 56 5049 (in Chinese) [毛杰健, 杨建荣 2007 物理学报 56 5049]
[8] Zhou Y B, Wang M L, Wang F, Miao T D 2004 J. Lanzhou Univ. 40 1
[9] Ao T G 2007 J. Inner Monglia Univ. 38 597 (in Chinese) [敖特根 2007 内蒙古大学学报 38 597]
[10] Wang M L, Li X Z, Zhang J L 2008 J. Phys. Lett. A 372 417
[11] Feng Q H, Meng F W, Zhang Y M 2011 Chin. Phys. B 20 120201
[12] Zhang J, Wei X L, Lu Y J 2008 J. Phys. Lett. A 372 3653
[13] Filiz T, Ahmet B 2010 Chin. Phys. B 20 040203
[14] Li E Q, Wang M L 2008 J. Henan Sci. Technol. Univ. 29 80 (in Chinese) [李二强, 王明亮 2008 河南科技大学学报 29 80]
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