Differential Equations Forum

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Join in expert discussion on differential equation topics like ODE and PDE. Differential equations are an equation involving derivatives of a function or functions.
MHB Heather's Mathematical Model Question on Herbicide Absorption
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Graduate Characteristics - What's Going On?
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Graduate Change of variable for 2nd partial differentiation and higher.
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Graduate Solving Differential Equation: {x^2} - 3{y^2}+6xy
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Undergrad Where Can I Find Ralston's Fourth Order RK Coefficients?
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Undergrad Entering a Differential Equations
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MHB Trinket's question at Yahoo Answers regarding the modeling of weight loss
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Undergrad What Causes Chaos? Can We Predict Its Patterns?
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Graduate Insanely hard differential equation
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MHB Saffjdaf's questions at Yahoo Answers regarding difference equations
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Graduate Ran into this differential equation, got stuck
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Graduate Periodicity of Fourier's heat theory
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Graduate How to prove asymptotic properties
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Graduate NH Modified Helmholtz Equation with Robin Boundary Condition
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Graduate Solving a Relativistic Momentum Problem with Differential Equations
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Undergrad Should I Relearn Calculus Before Studying ODEs?
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Graduate Trying to generate Turing patterns for Brusselator equations
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Undergrad How Can One 2nd Order ODE Have Different Solutions?
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Graduate Differential Equation with Function of Shifted Variable
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Graduate System of PDE's dealing with probability density
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MHB Lauren's question at Yahoo Answers regarding inexact ODE
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Graduate A Difficult Differential Equation
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Graduate Bessel Functions as Solutions to Scattering Integrals?
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Graduate Solving autonomous linear systems of differential/difference equations
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Undergrad Fundamental laws and differential equations
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Graduate 3d heat equation with constant point source
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Graduate How can I find an outer expansion for f'(r) in this ODE?
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Graduate Is Schwartz Space a Viable Basis for Understanding PDEs?
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MHB Solution of Periodic ODE with Floquet Theory
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Graduate Some questions regarding a differential equation
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Graduate Non-linear second order from calculus of variation I can't solve
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Graduate Mathematical method in electrical potential ?
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Undergrad How to Solve the Difference Equation yn+1=(n+1)/(n+2) yn?
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MHB Amylia's question at Yahoo Answers regarding an IVP
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Graduate Truncation error of the ADI method
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MHB General Solution for $(x^2+y^2)x-y$ Differential Equation
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Graduate PDE Wave equation with phi(x) as initial boundaries
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Undergrad What is the Correct Solution for the Difference Equation yn+1=-0.9yn?
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Graduate Did I Solve the Difference Equation Correctly?
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Graduate Is ln(N-K) equal to ln(1-N/K);different approach different result,why?
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MHB Sammy's question at Yahoo Answers regarding Newton's Law of Cooling
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Graduate Solving an integration equation with unknown kernel
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Graduate Creating intuition about Laplace & Fourier transforms
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Graduate Double check the derivation integral representation of Bessel Function
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Graduate Why Recast Second-Order ODEs as Sturm-Liouville Problems?
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Graduate Mathematical tools for analysis of solutions of optim. control problem
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Graduate Solve second order ode with Green function
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Graduate Orthogonality and orthogonal set.
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MHB DE Tutorial Update: Status, Plans, and Opportunities for Involvement
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MHB How Do You Compute Stable/Unstable Manifolds Using Taylor Approximation?
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MHB I'm not sure if this is what you were looking for, but hopefully it helps.
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Graduate Need information in deriving first integral of Bessel's function.
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MHB Qualitative theory of two-dimensional system
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MHB Solve Diff Eq: Change of Coordinates to Eliminate Squared Terms
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Graduate Bessel's Equation and Rodrique Formula
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Undergrad JustCurious' question at Yahoo Answers regarding a mathematical model
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Undergrad Trouble with first-order exact equation
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Graduate Solving DE Using Multiple Methods: Eigenvalues, Eigenvectors, and More
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MHB ?'s question at Yahoo Answers regarding Laplace Transforms
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Undergrad Defining functions in terms of differential equations
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Undergrad Resources for Solving Heat Equation
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Undergrad Questions about solving DE with TI calculators
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Undergrad First-order nonlinear ordinary differential equation
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MHB Nano's question at Yahoo Answers regarding Newton's Law of Cooling
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MHB What is the general solution to the differential equation $xy'-2y =x^2$?
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Graduate How can I solve a coupled PDE and ODE using the method of lines?
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Graduate Solving Sin(theta) = dy/dx | Acoustics Course Prep
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Undergrad Method of Undertermined Coefficients
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Graduate How to solve eigenvalue problems with mixed boundary condition?
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Undergrad Silly question about exact equations.
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Undergrad Solving a Differential Equation with a Substitution
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Graduate Is Morse-Smale Dense and Open in Diff(S1)?
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MHB Solving an IVP for a system of ODEs
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Graduate Solve second order ode with Green's functions
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Undergrad Help needed for solving 2nd order differential equation
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Graduate Role of eigenvalues in phase portraits
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MHB Differential Equations (particular solutions)
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Graduate Solution to the scalar wave equation in cylindrical coordinates
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Graduate Solving Equations with the Lambert W Function: A* (e^2x - e^x) + b*x = c
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Graduate Exploring Nonlinear Solutions for PDEs of Functions f:\mathbb{R}^2\to\mathbb{R}
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Undergrad How Do I Decompose This Fraction in My ODE?
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What is the name of this equation?
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Graduate What Type of PDE is This Modified Diffusion Equation?
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MHB Jimmy Mai's ODEs Questions at Yahoo Answers
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MHB Paul's question at Yahoo Answers regarding a 3rd order linear homogeneous ODE
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MHB Raqandre's question at Yahoo Answers regarding a Cauchy-Euler IVP
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Undergrad Confusion about integration constant
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MHB Differential Equation challenge
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Undergrad Factoring a 3rd degree poly to get a start on partial fractions
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Graduate Where to get started with Numerical Solutions to PDEs?
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MHB Reid's question at Yahoo Answers regarding a first order separable IVP
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Undergrad Sphere particle dissolution, volume loss vs time
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Graduate Midpoint Euler method, second order system
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MHB What are the fixed points and stability of a non-linear system of ODEs?
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MHB Stability, phase portrait, bifurcations
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MHB Solve Linear System of ODEs | x(0)=x0,y(0)=y0,z(0)=z0
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Graduate The best method to solve Helmholtz equation for a irregular boundary
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Graduate Second order differential equation.(Damped oscillation)
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Graduate Numerical Approximation of a 4D System of ODE's
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Graduate How Do You Solve This Complex Partial Differential Equation?
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