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 Is the Solution to y'=\sqrt{y^2+x^2+1} Defined for All x and Greater Than sinhx?
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Graduate Domain of solution to Cauchy prob.
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Graduate Solving Cauchy Prob: y'=sin(x+y+3) y(0)=-3
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Graduate Transforming a DE into Bessel's Equation
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Graduate Can anyone suggest to me a method to solve the following?
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Undergrad Can g(x) be found to satisfy this differential equation?
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Graduate Solving DE x*y'' - y' = 3x^2: 2 Ways Found
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Graduate What Are the Best Books for Asymptotic Expansions of Special Functions?
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Graduate Solve a system of second order PDE
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Undergrad Find Laplace Transform of 1+t - No Table Needed
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Graduate Find solution with initial value
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Graduate Solving fourth order differential equation ( )
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Graduate What is the Laplace Transform of (t-3)u2(t) - (t-2)u3(t)?
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Graduate Confused on partial differentiation.
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Graduate What is the meaning of the wave equation .in English?
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Undergrad Second order DE involving repeat roots
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Graduate Second order differential equation
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Graduate Need help with nonseparable differential equation
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Graduate How Do You Solve Hermite's Equation?
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Graduate Understanding Duhamel's Principle: A Grad Math Survival Guide
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Graduate Integrating a Gaussian Pulse for Kinetic Energy Calculation
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Undergrad Is L{(t^3)(sin^3(t))} Appropriate for an Intro to ODE Class?
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Graduate How to Solve and Verify Second Order Inhomogeneous ODEs?
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Graduate Solving Klein-Gordon PDE w/ Change of Variables
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Undergrad What's the difference between these differential operators?
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Undergrad Solving First Order Linear Inhomogenous Eq.
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Graduate Velocity in D'Alembert solution is the same as virtical velocity?
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Undergrad Differential operators - the rules
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Graduate Bessel Function, Orthogonality and More
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Graduate Solving First Order Partial Differential Equations
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Graduate Solve for A_n as n→∞: Difference Equation
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Graduate Verify Gamma function, not a homework problem
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High School How Do the Basics of Integration Work?
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Graduate How can I find the roots of this complex equation?
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Graduate Solving a PDE : 2 order in time, 4 order in space, mixed derivatives
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Graduate Can an Exponential Factor Create a New Solution for a Second Order ODE?
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Graduate From a System of 1st ODE to a 2nd ODE and back to the system of 1st ODEs
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Graduate Solving 4th Order Differential Equation: ay + by'''' = c( d + e^ikx )
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Graduate How to Approach Solving a 2D Damped Wave Equation?
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Graduate How to Relate b(0) and M in This Secondary Differential Equation?
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Undergrad How Do I Derive This Circuit Simulation Function for Newton's Method?
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Undergrad Tough Differential Equation (for me at least, and some others)
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Graduate Hindmarsh rose model with delay (dde)
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Graduate Solving ODE using Fourier Transform
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Graduate Solving 1st Order PDE with Initial Condition - Help Needed
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Graduate Runge Kutta Sine-Gordan equaiton.
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Graduate 1st order ODE with sampled function
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Graduate What's the Difference Between Crank-Nicolson and Heun's Method?
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Graduate Characterstic Curves and domain of dependence
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Graduate How to integrate \frac{(1+\Phi)+\Phi e^{-x}}{(1+\Phi)-\Phi e^{-x}}?
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Graduate Laplace Transform of Bessel Diff Eq
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Undergrad Need help with PDE application's in mechanic
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Undergrad Deriving Position & Motion Functions of Moving Particles
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Undergrad What is the integral of dydx=y^2/x^2
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Graduate Hamiltonian Systems: Showing Limit Cycles Impossible
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Graduate Why Can't the Graph of a First Order Autonomous ODE Cross a Critical Point?
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Undergrad Differential equations questions
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Graduate What is the solution for a one-dimensional random walk in potentials?
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Graduate Solve Nonlinear First Order Differential Equation | y'(t)=y(t)^3+f(t)
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High School How to state an equation of rational functions that has Asymptotes?
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Graduate Solving 2D Poisson problem with a single series
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Undergrad When can seperation of variables be applied?
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Graduate How do you combine Bessel functions?
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Undergrad Difference expressed as integral of differential?
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Graduate 2nd order Boundary Value Problem.
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Graduate Why Are Parabolic Cylinder Functions Standard Solutions to the Weber Equation?
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Graduate I'm stuck with a differential equation
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Graduate What do I do with the +- in y'= +-(2y^3)^1/2?
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Graduate Deriving and Proving the Heat Equation's Integral Product
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Graduate Torricelli's Principle: Outflow Velocity and Liquid Drainage in a Tank
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Graduate How do you interpret derivatives of the Dirac function in Maple?
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Graduate Converting a Differential Equation to Bessel Equation
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Undergrad How Can I Make H the Subject in This Equation?
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Graduate Non-linear Differential Equations and Psuedo-randomness
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Undergrad 1D advection-diffusion-need to check my code; any suggestions?
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Graduate How to Solve Heat Equations with Generation Terms?
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Graduate Question on Variation of Parameters
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High School Is it considered lame to use a CAS when helping people in the DE forum?
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Graduate Solving differential equations using implicit methods
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Graduate Can Second Order Non-linear ODEs Like This Be Solved Analytically?
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Undergrad Why the green function is useful?
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Undergrad Perfect Differential: What Is It?
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Graduate Investigate uniqueness of the differential equation
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Graduate Boundary Value Problem for the 1-D Wave
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Graduate A second order nonlinear ordinary differential equation
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Graduate Lorenz Equations: Explaining Apparent Unpredictability
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Graduate Proving Space of Differential Functions Not Closed
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Graduate Calculating Gamma Ratio: Tricks for Hard Problems
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Graduate Solving a Coupled Trigonometric ODE System in MATLAB?
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Graduate How Do You Solve the Cylindrical Heat Equation with Non-Constant Coefficients?
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Graduate Solving a differential equation by integration
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Graduate Solving Non-Linear Equations Using Quadrature Method - Y^2Y''=C (C: Real Number)
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Graduate Evaluate Integral for Reduced Green's Function: Semi-Infinite Plates
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Undergrad Looking for General solution for a difference equation
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Graduate Undetermined Coefficients of Difference Equations
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Graduate How to Determine the Sign of the Square Root in ODEs for Photon Orbits?
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Undergrad Iterative Systems of Difference Equations
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Graduate Stuck on second order non-linear ODE
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Graduate Is There a Closed-Form Solution for Attitude Update Equations?
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Graduate Solving Diffusion PDE in a Hollow Cylinder
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