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.
Graduate Numerically solving NLS equation
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Graduate Infinitely many integrable/conserved quantities? Soliton?
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Graduate Stability? nonlinear mode? soliton?
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Graduate Do equations in nature always have separate time and space derivatives?
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Undergrad How Do You Solve an Initial Value Problem Using Laplace Transforms?
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Graduate Numerical solution to coupled diff. eq.
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Graduate Analyzing a System of Nonlinear ODEs in Biology
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Graduate Domain, why are they both not defined?
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Graduate How Does Fubini's Theorem Relate to the Product of Two Integrals?
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Undergrad Laplace Transform Explained: WHY & HOW
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Graduate Introductory perturbation theory
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Graduate Analytical solution of Laplace's equation with horrendous boundary conditions
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Undergrad Rate of flow - height of water problem
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Graduate A chemical engineering example for lagurre equation
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Undergrad Recommended DE Book for Beginners: Essential Topics and Tips
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Graduate What exactly is a dependent variable?
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Graduate How to Prove the Bessel Function Identity J₂(x) = (2/x)J₁(x) - J₀(x)?
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Graduate Help needed to find the flow potential function
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Graduate Explicit solution of heat/diffusion equation
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Undergrad Modeling rotational motion with differential equations
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Graduate Math that creates laws of physics ?
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Undergrad Question about homogeneous dif. equations
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Graduate Solving an Elliptic PDE Using the Characteristic Equation: A Beginner's Guide
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Graduate How Does Adding a Mass Term Affect Wave Equation Solutions?
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Undergrad Something about homogenous DE with constant co-efficients:
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Graduate Good Alternatives to Taylor's Volume 3 on PDEs?
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Undergrad How Many BC and IC Do We Need for Different Equations?
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Graduate Inverse Laplace Transform Involving a Step (Heaviside) Function
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Graduate Can the General Solution for this Exponential Equation be Found?
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Undergrad Help Finding Textbook for Ordinary Differential Equations
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Undergrad Homogeneous Differential Equations
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Graduate How Can a Non-Homogeneous 4th Order PDE for Cantilever Beam Vibration Be Solved?
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Graduate Help: want to find an analytical soln to this =p
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Undergrad Solving Bacterial Population Growth: A Math Problem
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Undergrad What Does 'D' Stand for in ODEs?
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Undergrad Solving Nonhomogeneous Cauchy Equations with Erwin Kreyszig's WILEY Book
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Undergrad Second Order Linear Diff Eq
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Graduate Find W of 2 Solutions to a Differential EQ
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Undergrad Differential equations question
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Graduate What Steps Are Misunderstood in Solving Non-Linear Homogeneous Equations?
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Undergrad Master Diff Eq: A Beginner's Guide to Understanding Intermediate Steps"
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Graduate Solving Euler Cauchy Equation: Y1,Y2, X^2 & More
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Undergrad How to sketch phase planes by hand
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Graduate Books that explain differential equations in terms of complex variable theory?
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Graduate Vector product - operator's a vector?
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Undergrad How do you solve for f in the differential equation (x^2-a^2)f'+xf=0?
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Undergrad Solving Separable Equations: y'=xcos^(2)y
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Undergrad A few implicit differentiation problems
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Undergrad How to solve Differential equation
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Undergrad Mastering Differential Equations: A Comprehensive Guide to Intermediate Steps
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Undergrad Understanding Integrating Factor for Linear ODEs
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Undergrad How do you solve a hard differential equation with an integrating factor?
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Graduate Help about the numerical computation on the following equations
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Graduate Analytically Solving Bessel Functions for x Giving J_m(x)=0
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Undergrad Understanding Initial Value Problems in Differential Equations
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Graduate Legendre's differential equation
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Graduate Can Green's Function Solve Poisson's Equation in Cylindrical Geometry?
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Graduate Dispersion Relation KdV equation
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Undergrad Help solving a Differential equation
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Graduate Second Order DE: Nonlinear Homogeneous
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Undergrad When Will the Tank's Faucet Pour Fluid Containing 10% Vinegar?
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Graduate Solving Integration Problem: Advice Needed
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Undergrad Derive 6 Help with Laplace Transforms
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Graduate Minimum boundary when dividing eqilateral triangle in 4 equal sized parts
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Undergrad Differential Equations: Direction Fields
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Undergrad Is this equation linear or nonlinear?
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Undergrad How High Does a 64 lb Projectile Go When Fired Upward at 2000 ft/sec?
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Graduate Spherical harmonic decomposition
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Graduate Undetermined coefficients to find general solution to system
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Undergrad Factorising a differntiated equation
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Graduate Errors in Adaptive Runge Kutta Method?
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Undergrad If sinh(y)=x, then, show that cosh(y)=sqrt(1+x^2)
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Graduate Coveting ODE to polar coordinates
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Undergrad How Does Particle P's Motion Change After 2 Seconds?
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Undergrad Math problem regarding kinetic motion
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Graduate Characteristic method + Jacobian
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Graduate Legendre's Equation & Bonnet's Recursion
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Graduate Why Do Simulated and Theoretical Soliton Collisions Differ?
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Graduate Solution to PDE U(x,t) = y^2e^{-3x} + h(x)
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Graduate Theorem of the uniqueness and existence of a solution of ODE
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Graduate Differential equation system, got stuck in a physics problem
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Graduate Limitation of Split-Step Fourier method
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Graduate I have something that doesn't work out for me
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Graduate Relating PDEs: Showing Laplace's Eq in Cylindrical Coordinates
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Graduate Proving x*delta' ~ -delta with Generalized Functions
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Graduate Solution of a differential equation?
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Undergrad Solving First Order Equations: Integral Factor and Exact Differential Equation
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Graduate A boundary value problem discussion
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Graduate Time scaing in discrete time variable?
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Graduate Is u(x)=exp(-x^{2}/2) an Eigenfunction of \hat{A}?
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Graduate What is the general form of the notation u_{x_1 , ..,x_n}?
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Graduate Preserving Essential Features in Fourier Series Approximations
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Graduate Does a Continuous Spectrum Confirm Orthogonality in Self-Adjoint Operators?
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Graduate Solving Third Order ODE: Proving Single Solution?
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Graduate Nondimensionalization and Scaling
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Graduate How are order and degree defined for this DE? (cos(y'') + xy' = 0)
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Graduate Question on Lotka-Volterra model and Lanchaster combat model
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Graduate Modified Heat Equation Solutions with Asymptotic Decay
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Graduate What Are the Physical Implications of Transformations in the KdV Equation?
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Graduate Question about a partial differential equation
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