Join in expert discussion on differential equation topics like ODE and PDE. Differential equations are an equation involving derivatives of a function or functions.
Threads
Undergrad Solve 3rd Order DE: How Many Linearly Independent Solutions?
- bigdirtycarl
- · Replies 2 ·
Graduate Proving Unique Solution of $y''+e^{-x}f(y)=0$ with $y(0)=y'(0)=0$
- Malmstrom
- · Replies 6 ·
Graduate Discrete derivatives with finite-differences
- mnb96
- · Replies 4 ·
Graduate Is the Solution to y'=\sqrt{y^2+x^2+1} Defined for All x and Greater Than sinhx?
- Malmstrom
- · Replies 2 ·
Graduate Domain of solution to Cauchy prob.
- Kalidor
- · Replies 2 ·
Graduate Solving Cauchy Prob: y'=sin(x+y+3) y(0)=-3
- Kalidor
- · Replies 2 ·
Graduate Transforming a DE into Bessel's Equation
- vertices
- · Replies 3 ·
Graduate Can anyone suggest to me a method to solve the following?
- JonoSmith
- · Replies 6 ·
Undergrad Can g(x) be found to satisfy this differential equation?
- adoado
- · Replies 1 ·
Graduate Solving DE x*y'' - y' = 3x^2: 2 Ways Found
- Mabbott608
- · Replies 10 ·
Graduate What Are the Best Books for Asymptotic Expansions of Special Functions?
- sheaf
- · Replies 3 ·
Graduate Solve a system of second order PDE
- Woppe
- · Replies 6 ·
Undergrad Find Laplace Transform of 1+t - No Table Needed
- claysimo
- · Replies 1 ·
Graduate Find solution with initial value
- invisible_man
- · Replies 7 ·
Graduate Solving fourth order differential equation ( )
- sasikanth
- · Replies 10 ·
Graduate What is the Laplace Transform of (t-3)u2(t) - (t-2)u3(t)?
- invisible_man
- · Replies 1 ·
Graduate Confused on partial differentiation.
- yungman
- · Replies 3 ·
Graduate What is the meaning of the wave equation .in English?
- yungman
- · Replies 1 ·
Undergrad Second order DE involving repeat roots
- quietrain
- · Replies 4 ·
Graduate Second order differential equation
- bobey
- · Replies 2 ·
Graduate Need help with nonseparable differential equation
- badatmath7
- · Replies 1 ·
Graduate How Do You Solve Hermite's Equation?
- nintandao64
- · Replies 1 ·
Graduate Understanding Duhamel's Principle: A Grad Math Survival Guide
- Nick Bruno
- · Replies 1 ·
Graduate Integrating a Gaussian Pulse for Kinetic Energy Calculation
- atqamar
- · Replies 2 ·
Undergrad Is L{(t^3)(sin^3(t))} Appropriate for an Intro to ODE Class?
- b3n5p34km4n
- · Replies 1 ·
Graduate How to Solve and Verify Second Order Inhomogeneous ODEs?
- vj9
- · Replies 3 ·
Graduate Solving Klein-Gordon PDE w/ Change of Variables
- yonatan
- · Replies 3 ·
Undergrad What's the difference between these differential operators?
- corona7w
- · Replies 1 ·
Undergrad Solving First Order Linear Inhomogenous Eq.
- Kalidor
- · Replies 3 ·
Graduate Velocity in D'Alembert solution is the same as virtical velocity?
- yungman
- · Replies 1 ·
Undergrad Differential operators - the rules
- randybryan
- · Replies 3 ·
Graduate Bessel Function, Orthogonality and More
- Post
- · Replies 3 ·
Graduate Solving First Order Partial Differential Equations
- jam12
- · Replies 6 ·
Graduate Solve for A_n as n→∞: Difference Equation
- rsq_a
- · Replies 7 ·
Graduate Verify Gamma function, not a homework problem
- yungman
- · Replies 1 ·
High School How Do the Basics of Integration Work?
- stevie :)
- · Replies 1 ·
Graduate How can I find the roots of this complex equation?
- vinodjoshi
- · Replies 2 ·
Graduate Solving a PDE : 2 order in time, 4 order in space, mixed derivatives
- vatant
- · Replies 20 ·
Graduate Can an Exponential Factor Create a New Solution for a Second Order ODE?
- intervoxel
- · Replies 3 ·
Graduate From a System of 1st ODE to a 2nd ODE and back to the system of 1st ODEs
- Bachelier
- · Replies 1 ·
Graduate Solving 4th Order Differential Equation: ay + by'''' = c( d + e^ikx )
- Kaxer
- · Replies 1 ·
Graduate How to Approach Solving a 2D Damped Wave Equation?
- igor_b
- · Replies 1 ·
Graduate How to Relate b(0) and M in This Secondary Differential Equation?
- Boryna
- · Replies 1 ·
Undergrad How Do I Derive This Circuit Simulation Function for Newton's Method?
- zckumling
- · Replies 1 ·
Undergrad Tough Differential Equation (for me at least, and some others)
- Char. Limit
- · Replies 1 ·
Graduate Hindmarsh rose model with delay (dde)
- kaledh
- · Replies 1 ·
Graduate Solving ODE using Fourier Transform
- absolute76
- · Replies 28 ·
Graduate Solving 1st Order PDE with Initial Condition - Help Needed
- BustedBreaks
- · Replies 2 ·
Graduate Runge Kutta Sine-Gordan equaiton.
- seagulloftime
- · Replies 1 ·
Graduate 1st order ODE with sampled function
- tamzam
- · Replies 1 ·
Graduate What's the Difference Between Crank-Nicolson and Heun's Method?
- Smed
- · Replies 4 ·
Graduate Characterstic Curves and domain of dependence
- Nik23S
- · Replies 1 ·
Graduate How to integrate \frac{(1+\Phi)+\Phi e^{-x}}{(1+\Phi)-\Phi e^{-x}}?
- Petar Mali
- · Replies 10 ·
Graduate Laplace Transform of Bessel Diff Eq
- DMcG
- · Replies 2 ·
Undergrad Need help with PDE application's in mechanic
- mghorabah
- · Replies 1 ·
Undergrad Deriving Position & Motion Functions of Moving Particles
- nadia123
- · Replies 3 ·
Undergrad What is the integral of dydx=y^2/x^2
- math_trouble
- · Replies 2 ·
Graduate Hamiltonian Systems: Showing Limit Cycles Impossible
- Nusc
- · Replies 1 ·
Graduate Why Can't the Graph of a First Order Autonomous ODE Cross a Critical Point?
- Skrew
- · Replies 1 ·
Undergrad Differential equations questions
- Fritz
- · Replies 4 ·
Graduate What is the solution for a one-dimensional random walk in potentials?
- blue2script
- · Replies 1 ·
Graduate Solve Nonlinear First Order Differential Equation | y'(t)=y(t)^3+f(t)
- bpcraig
- · Replies 1 ·
High School How to state an equation of rational functions that has Asymptotes?
- NYH
- · Replies 1 ·
Graduate Solving 2D Poisson problem with a single series
- yungman
- · Replies 6 ·
Undergrad When can seperation of variables be applied?
- PhDorBust
- · Replies 1 ·
Graduate How do you combine Bessel functions?
- renz
- · Replies 2 ·
Undergrad Difference expressed as integral of differential?
- bthongchai
- · Replies 1 ·
Graduate 2nd order Boundary Value Problem.
- yungman
- · Replies 15 ·
Graduate Why Are Parabolic Cylinder Functions Standard Solutions to the Weber Equation?
- intervoxel
- · Replies 2 ·
Graduate I'm stuck with a differential equation
- vinodjoshi
- · Replies 7 ·
Graduate What do I do with the +- in y'= +-(2y^3)^1/2?
- manenbu
- · Replies 12 ·
Graduate Deriving and Proving the Heat Equation's Integral Product
- squenshl
- · Replies 1 ·
Graduate Torricelli's Principle: Outflow Velocity and Liquid Drainage in a Tank
- skinsgamer
- · Replies 1 ·
Graduate How do you interpret derivatives of the Dirac function in Maple?
- FredE
- · Replies 8 ·
Graduate Converting a Differential Equation to Bessel Equation
- Djproject
- · Replies 1 ·
Undergrad How Can I Make H the Subject in This Equation?
- textbooks
- · Replies 1 ·
Graduate Non-linear Differential Equations and Psuedo-randomness
- linford86
- · Replies 4 ·
Undergrad 1D advection-diffusion-need to check my code; any suggestions?
- bzz77
- · Replies 1 ·
Graduate How to Solve Heat Equations with Generation Terms?
- NoobixCube
- · Replies 3 ·
Graduate Question on Variation of Parameters
- yungman
- · Replies 3 ·
High School Is it considered lame to use a CAS when helping people in the DE forum?
- clustro
- · Replies 3 ·
Graduate Solving differential equations using implicit methods
- Sagekilla
- · Replies 5 ·
Graduate Can Second Order Non-linear ODEs Like This Be Solved Analytically?
- ayae
- · Replies 3 ·
Undergrad Why the green function is useful?
- wdlang
- · Replies 2 ·
Undergrad Perfect Differential: What Is It?
- mess1n
- · Replies 1 ·
Graduate Investigate uniqueness of the differential equation
- ahmed39399
- · Replies 2 ·
Graduate Boundary Value Problem for the 1-D Wave
- bndnchrs
- · Replies 1 ·
Graduate A second order nonlinear ordinary differential equation
- Lightfuzz
- · Replies 6 ·
Graduate Lorenz Equations: Explaining Apparent Unpredictability
- Nusc
- · Replies 1 ·
Graduate Proving Space of Differential Functions Not Closed
- lady99
- · Replies 4 ·
Graduate Calculating Gamma Ratio: Tricks for Hard Problems
- Juggler123
- · Replies 1 ·
Graduate Solving a Coupled Trigonometric ODE System in MATLAB?
- a.mlw.walker
- · Replies 4 ·
Graduate How Do You Solve the Cylindrical Heat Equation with Non-Constant Coefficients?
- Yoni
- · Replies 1 ·
Graduate Solving a differential equation by integration
- tiredryan
- · Replies 8 ·
Graduate Solving Non-Linear Equations Using Quadrature Method - Y^2Y''=C (C: Real Number)
- HallsofIvy
- · Replies 10 ·
Graduate Evaluate Integral for Reduced Green's Function: Semi-Infinite Plates
- AxiomOfChoice
- · Replies 2 ·
Undergrad Looking for General solution for a difference equation
- ivyhawk
- · Replies 8 ·
Graduate Undetermined Coefficients of Difference Equations
- kathrynag
- · Replies 3 ·
Graduate How to Determine the Sign of the Square Root in ODEs for Photon Orbits?
- nocks
- · Replies 2 ·
Undergrad Iterative Systems of Difference Equations
- kathrynag
- · Replies 1 ·