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.
Non-linear second order from calculus of variation I can't solve
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Mathematical method in electrical potential ?
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How to Solve the Difference Equation yn+1=(n+1)/(n+2) yn?
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PDE Wave equation with phi(x) as initial boundaries
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What is the Correct Solution for the Difference Equation yn+1=-0.9yn?
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Did I Solve the Difference Equation Correctly?
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Is ln(N-K) equal to ln(1-N/K);different approach different result,why?
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Double check the derivation integral representation of Bessel Function
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Why Recast Second-Order ODEs as Sturm-Liouville Problems?
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Mathematical tools for analysis of solutions of optim. control problem
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Solve second order ode with Green function
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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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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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Bessel's Equation and Rodrique Formula
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Trouble with first-order exact equation
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Solving DE Using Multiple Methods: Eigenvalues, Eigenvectors, and More
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Resources for Solving Heat Equation
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Questions about solving DE with TI calculators
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First-order nonlinear ordinary differential equation
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How can I solve a coupled PDE and ODE using the method of lines?
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Method of Undertermined Coefficients
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How to solve eigenvalue problems with mixed boundary condition?
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Silly question about exact equations.
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Solving a Differential Equation with a Substitution
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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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Solve second order ode with Green's functions
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Help needed for solving 2nd order differential equation
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Role of eigenvalues in phase portraits
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Solution to the scalar wave equation in cylindrical coordinates
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Exploring Nonlinear Solutions for PDEs of Functions f:\mathbb{R}^2\to\mathbb{R}
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How Do I Decompose This Fraction in My ODE?
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What is the name of this equation?
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What Type of PDE is This Modified Diffusion Equation?
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Confusion about integration constant
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Factoring a 3rd degree poly to get a start on partial fractions
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Sphere particle dissolution, volume loss vs time
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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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The best method to solve Helmholtz equation for a irregular boundary
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Second order differential equation.(Damped oscillation)
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Numerical Approximation of a 4D System of ODE's
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How Do You Solve This Complex Partial Differential Equation?
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Using sifting property to prove other properties
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MHB First order linear differential Equation
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Newtons Cooling problem/ possible error in book.
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Differential Eq. Last Step Solution Separating Variables
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Solving PDEs using Fouries Series ?
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Matrix Inversion for Variation of Parameters
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How to Integrate Bessel Functions Over z?
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MHB Help rearranging a linear first order differential equation
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How to Solve State Homogeneous Differential Equations Using MATLAB?
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Connection between numerical integration and solving ODE numerically.
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Laplace's equation in two dimensions.
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I know nothing about diff. equations, is this one solvable?
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What is the General Solution to the Differential Equation?
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Solving the Constant PDE ∂u/∂x=∂u/∂y
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Understanding Implicit Solutions: Solving a Basic Problem with x*sin(y) = cos(y)
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MHB Solving Separable Equations: Tips and Tricks
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Numerical method to use on a system of second order nonlinear ODE's
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Poisson's Eq. with separable variables?
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Can I Solve This Complicated Equation with a Dirac Delta Function?
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Help with solving system of DE's
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Convergence Test (Comparison) Questions
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!Understanding Partial Derivatives of Coordinate Transformation
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MHB How Can I Use Mellin and Hankel Transforms to Solve Problems?
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Modeling Population Growth [dP/dt = k P - A P2 - h]
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Question on deriving Bessel's equation
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Notes on symmetries of the KdV equation
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2nd order nonhomogeneos differential equations with initial conditions
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Find a linear homogeneous equation with given general solution
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Differential Equations behavior for large t?
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Linear system of equations for a differential equation
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Method of characteristics and shock waves
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Practical Examples of RK4 Method for Second Order Differential Equations
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Nonlinear second order differential equation
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Predicting the form of solution of PDE
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How Do You Solve the 1D Heat Equation with Trigonometric Initial Conditions?
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Can the Dirac Delta Impulse be eliminated in this differential equation?
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Where Does This Equation Originate?
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Method of Undetermined Coefficients for Higher Order Linear Equations
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Solving a system of ODEs using Runge-Kutta
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On solving PDE using separating the variable.
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Understanding Sturm-Liouville Problems: Implications and Solutions
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Complex exponetial form of Fourier series
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MHB Solving a linear first order differential equation
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Slope fields:Can y converge on two roots?
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Coupled 2nd Order DE: Convert to system of 1st Order
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Numerical Integration over 3D mesh
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Divergence in polar; not asking for derivation
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Heat Equation with cylindrical rod
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MHB Method of Reduction of Order and Variation of Parameters
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MHB Solving a Riccati Differential Equation
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