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List of Equations

The database contains 327 equations (8 equations are awaiting activation).

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See also: Categorized List of Equations
Found 327 equations, 33 pages (10 eqs. per page): << 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 >>
 CategoryEquation(s)Author/
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281 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_t=a_1u_{xx}+f(bu+cw)$,\\ 
$w_t=a_2w_{xx}+g(bu+cw)$. Elena Vyazmina
Submitted: 23 Sep 07 11:50
Edited (admin): 29 Jan 08 15:47
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282 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$\displaystyle u_x=\frac{cw^nu}{a+bw^n}$,\\
$w_t=(aw+bw^{n+1})u^k$. Elena Vyazmina
Submitted: 22 Sep 07 11:06
Edited (admin): 29 Jan 08 15:49
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283 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_x=e^{\lambda u}f(au+bw)$,\\
$w_t=e^{\beta u}g(au+bw)$. Elena Vyazmina
Submitted: 22 Sep 07 23:24
Edited (admin): 29 Jan 08 15:50
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284 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_x=f_1(x,t)u+g_1(x,t)u^{1-n}w^m$,\\
$w_t=f_2(x,t)w+g_2(x,t)u^{n}w^{1-m}$. Elena Vyazmina
Submitted: 23 Sep 07 00:30
Edited (admin): 29 Jan 08 15:51
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285 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_x=uf(au^n+bw)$,\\
$w_t=u^kg(au^n+bw)$. Elena Vyazmina
Submitted: 22 Sep 07 23:40
Edited (admin): 29 Jan 08 15:54
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286 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_x=uf(au^k+bw)$,\\
$w_t=cu^k$. Elena Vyazmina
Submitted: 22 Sep 07 23:31
Edited (admin): 29 Jan 08 15:55
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287 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_x=awu$,\\
$w_t=bu^k.$ Elena Vyazmina
Submitted: 14 Jan 08 14:02
Edited (admin): 29 Jan 08 16:00
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288 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
$u_t=au_{xx}+bu_x+f(w)u$,\\
$w_t=g(w)u$. Elena Vyazmina
Submitted: 23 Sep 07 10:20
Edited (admin): 29 Jan 08 16:24
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289 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
\noindent
$\displaystyle u_t=L[u]+uf(u^2+w^2)-wg(w/u)$,\hfill\break
$\displaystyle w_t=L[w]+wf(u^2+w^2)+ug(w/u)$.\hfill\break Andrei Polyanin
Submitted: 06 Dec 06 14:21
Edited (admin): 29 Jan 08 16:25
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290 4. Nonlinear Partial Differential Equations
4.7. Systems of Two Equations
\noindent
$\displaystyle u_t=L[u]+uf(u^2-w^2)+wg(w/u)$,\hfill\break
$\displaystyle w_t=L[w]+wf(u^2-w^2)+ug(w/u)$.\hfill\break Andrei Polyanin
Submitted: 06 Dec 06 14:40
Edited (admin): 29 Jan 08 16:27
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Found 327 equations, 33 pages (10 eqs. per page): << 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 >>

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