MiniLogo

EqWorld

The World of Mathematical Equations

IPM Logo

Exact Solutions Methods Software For Authors Math Forums

EqArchive: Add Equation/Solution > List of Equations

 English only

List of Equations

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

Selection options
Categories: 
Subcategories: 
Sorting 1 by:     Order: 
Sorting 2 by:     Order: 
Equations per page (0-all): 
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/
Contributor
Actions
311 5. Integral Equations
5.6. Nonlinear Equations with Constant Limits of Integration
$\displaystyle \int^\infty_0[\cos(xt)+\varphi(x)\Psi(t,y(t))]y(t)\,dt=f(x)$. Andrei Polyanin
Submitted: 03 Jul 07 17:09
Details
Edit
312 5. Integral Equations
5.6. Nonlinear Equations with Constant Limits of Integration
$\displaystyle y(x)+\int^{\infty}_{-\infty}\bl[\lambda e^{-|x-t|}y(t)+\varphi(x)\psi(t)y^2(t)]\,dt=f(x)$. Andrei Polyanin
Submitted: 03 Jul 07 17:15
Details
Edit
313 5. Integral Equations
5.6. Nonlinear Equations with Constant Limits of Integration
$\displaystyle 
y(x)-\int^\infty_0[\lambda\sin(xt)+\varphi(x)\Psi(t,y(t))]y(t)\,dt=f(x)$. Andrei Polyanin
Submitted: 03 Jul 07 17:20
Details
Edit
314 5. Integral Equations
5.6. Nonlinear Equations with Constant Limits of Integration
$\displaystyle y(x)-\int^\infty_0[\lambda\cos(xt)+\varphi(x)\Psi(t,y(t))]y(t)\,dt=f(x)$. Andrei Polyanin
Submitted: 03 Jul 07 17:23
Details
Edit
315 5. Integral Equations
5.6. Nonlinear Equations with Constant Limits of Integration
$\displaystyle y(x)+\int^{\infty}_{-\infty}\bl[\lambda e^{-|x-t|}y(t)+\varphi(x)\Psi(t,y(t))]\,dt=f(x)$. Andrei Polyanin
Submitted: 03 Jul 07 17:18
Edited (admin): 03 Jul 07 17:26
Details
Edit
316 6. Difference and Functional Equations
6.1. Linear Equations in One Independent Variable
$\displaystyle u'(t)-2u(t)+u'(t-1)-2u(t-1)=e^{2t}$,\hfill\break Chernykh Ilya
Submitted: 10 Dec 09 14:16
Details
Edit
317 6. Difference and Functional Equations
6.1. Linear Equations in One Independent Variable
$\displaystyle y(f(x))=s f(x)$.\hfill\break Chernykh Ilya
Submitted: 09 Dec 09 11:00
Edited (author): 11 Feb 10 14:52
Edited (admin): 01 Sep 13 12:09
Details
Edit
318 6. Difference and Functional Equations
6.2. Nonlinear Equations in One Independent Variable
$\displaystyle y^{[2]}-y'=0$,\hfill\break
where $y^{[2]}=y(y(x))$. Ilya Chernykh
Submitted: 20 Mar 09 13:52
Edited (author): 09 Dec 09 07:54
Edited (admin): 17 Jul 09 09:24
Details
Edit
319 6. Difference and Functional Equations
6.3. Linear Equations in Two and More Independent Variables
\noindent
$\displaystyle w(x,y)=a^ne^{bm}w(ax,y+b)$,\hfill\break
where $a$ and $b$ are arbitrary parameters ($a>0$). Andrei Polyanin
Submitted: 06 Dec 06 11:45
Edited (author): 11 Dec 06 12:42
Details
Edit
320 6. Difference and Functional Equations
6.3. Linear Equations in Two and More Independent Variables
\noindent
$\displaystyle w(x,y)=e^{ak+bm}w(x+a,y+b)$,\hfill\break
where $a$ and $b$ are arbitrary parameters. Andrei Polyanin
Submitted: 06 Dec 06 11:51
Edited (author): 11 Dec 06 12:43
Details
Edit
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 >>

The EqWorld website presents extensive information on solutions to various classes of ordinary differential equations, partial differential equations, integral equations, functional equations, and other mathematical equations.

Copyright © 2006-2011 Andrei D. Polyanin, Alexei I. Zhurov and Alexander L. Levitin