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 How do I integrate this? x/(x^2-1)^.5
- ComFlu945
- · Replies 5 ·
Graduate Calculating Integrals with Vector Functions
- baermdr
- · Replies 1 ·
Graduate How to tell if F(s) is laplace transform?
- useruseruser
- · Replies 5 ·
Graduate Using substiution of the form v=1/y^k to solve 1st order DE
- useruseruser
- · Replies 1 ·
Graduate How Is a Nonlinear Equation Linearized in FEM Software?
- aamirmub
- · Replies 4 ·
Undergrad Differential Equation: 1st-Order in Time, 2nd-Order in Space
- saravanan13
- · Replies 3 ·
Graduate What is the inverse Laplace transform of L^{-1}(\frac{1}{\sqrt{1+s^2}})?
- useruseruser
- · Replies 1 ·
Undergrad What Are the Applications of Differential Equations in Mathematics?
- James...
- · Replies 3 ·
Graduate Different methods to solving PDE's
- captain
- · Replies 3 ·
Undergrad Solving Second Order Differential Equations
- ryan8888
- · Replies 23 ·
Graduate Inhomogeneous wave equation help
- finmath
- · Replies 4 ·
Graduate Solving Diffusion Equation u_t=div(A\nabla u) Numerically
- shayj
- · Replies 1 ·
Graduate What Are the Best Algebraic Methods for Approximating Non-Linear ODE Solutions?
- nassboy
- · Replies 9 ·
Undergrad Laplace transforms to do integrals?
- cragar
- · Replies 1 ·
Graduate Frobenius Method: Finding Smaller Root with Larger
- asdf1
- · Replies 5 ·
Graduate Having Trouble Solving Predator-Prey Equations?
- buckmo
- · Replies 4 ·
Graduate Solving Coupled ODEs: x(t) and y(t)
- exmachina
- · Replies 3 ·
High School Solving y''=0: Understanding the Solution for y=c1+c2x
- useruseruser
- · Replies 1 ·
Graduate Laplace equation in cylindrical coordinates
- alexrao
- · Replies 9 ·
Graduate System of nonhomogeneous difference equation
- smilieevah
- · Replies 1 ·
Graduate Analytical Solution to Poisson's Equation
- rugabug
- · Replies 2 ·
Graduate Change of variable, second order differentiation
- Blamo_slamo
- · Replies 2 ·
Graduate Second order differential equation
- jen81
- · Replies 5 ·
Graduate Do Eigenfunctions Differ in a Square Helmholtz Problem?
- urista
- · Replies 5 ·
Graduate When do these methods for PDEs apply?
- logarithmic
- · Replies 2 ·
Graduate Solve 0=u''+u*e^x | Poincare Return Map
- Nusc
- · Replies 1 ·
Undergrad How to Solve Differential Equations Using Maple?
- alejandrito29
- · Replies 3 ·
Graduate Arctan Identity: Solving t_0 for z=0
- cepheid
- · Replies 2 ·
Graduate Solving y'(x) + x*y''(x) with UDC
- autobot.d
- · Replies 2 ·
Undergrad Why not separable (basic question)?
- jla2w
- · Replies 4 ·
Graduate Solve Two Coupled ODEs with Picard's Iteration
- Nusc
- · Replies 7 ·
Graduate Is f(x) of exponential order for the Laplace Transform?
- EngWiPy
- · Replies 4 ·
Graduate How Do You Solve a PDE with Boundary Conditions Using Separation of Variables?
- useruseruser
- · Replies 1 ·
Graduate First oder pde using laplce transform
- babs
- · Replies 6 ·
Graduate How Can Variable Changes Simplify the One-Dimensional Wave Equation?
- javicg
- · Replies 1 ·
Undergrad Finding the Convergence of an Equation - x[n] = 0.5(x[n-1]+x[n-2])
- Buddy711
- · Replies 1 ·
Undergrad Laplace Transforms, Region of Convergence
- tanky322
- · Replies 4 ·
Graduate How to Build Complex Laplace Operator from First Principles
- topcomer
- · Replies 3 ·
Graduate Stopping ODE solver on zero crossing
- Lord Crc
- · Replies 2 ·
Undergrad When Should I Beware of Factoring Out?
- DocZaius
- · Replies 4 ·
Graduate Help with simple numerical ODE problem from QM
- mistergrinch
- · Replies 1 ·
Graduate Euler's Method With Mass Balance o.d.e's
- Sam223344
- · Replies 2 ·
Undergrad Help solving 2nd order differential equation
- woodie37
- · Replies 5 ·
Graduate How to Derive Green's Function for the Laplacian in 3D?
- centry57
- · Replies 1 ·
Graduate What is the Meaning of the Eikonal Equation?
- Asuralm
- · Replies 1 ·
Undergrad Two second order differential equation
- people
- · Replies 8 ·
Undergrad Recommend good intro to PDEs book?
- elemental09
- · Replies 8 ·
Graduate What is the Solution to the 2nd Order Nonlinear ODE y'' = x^2 * y?
- mistergrinch
- · Replies 1 ·
Undergrad Solve Differential Equation: x^2d^2y/dx^2+3xdy/dx+5y=3x
- fan_103
- · Replies 2 ·
Graduate How can I prove H(x,y) is a Lyapunov function for this system?
- squenshl
- · Replies 3 ·
Graduate Understanding Dirac Delta Squares: Clarifying Doubts
- hermitian
- · Replies 2 ·
Graduate Newton's method for a system of equations
- defunc
- · Replies 4 ·
Graduate Simple looking but hard to solve nonlinear PDE
- smallphi
- · Replies 3 ·
Graduate Peano Existence Theorem confusion
- LumenPlacidum
- · Replies 1 ·
Graduate Partial Derivatives and Implicit Function Thm.
- qspeechc
- · Replies 5 ·
Graduate How Can I Implement Non-linear Boundary Conditions in a 1-D PDE System?
- santhoo24
- · Replies 3 ·
Graduate How do I model the falling of a skydiver using a DF?
- thename1000
- · Replies 1 ·
Graduate How to Solve the PDE 2Uxxy + 3Uxyy - Uxy = 0?
- mglaros
- · Replies 3 ·
Graduate System of linear second order differential equations
- matematikawan
- · Replies 9 ·
Undergrad Building an rc chopper and have a question to do with damping vibrarions
- line2
- · Replies 1 ·
Graduate Trigonometric Identity and Differential Equation question
- bitrex
- · Replies 2 ·
Graduate How can I use Runge Kutta to solve coupled first order DE's in Matlab?
- HoosierDaddy
- · Replies 7 ·
Undergrad Separable Differential Equation (what's wrong?)
- scud0405
- · Replies 5 ·
Undergrad Looking for a good Differential Equations Textbook
- neogeek77
- · Replies 3 ·
Undergrad How to Solve an ODE with Constant Non-Homogeneous Term and Boundary Conditions?
- rugabug
- · Replies 4 ·
Undergrad Solving 1st Order ODE for Laminar Flow: A Simple Guide | Jerome, Engineer
- plasticpigeon
- · Replies 5 ·
Graduate Is Boundedness the Key to Proving Uniqueness in Initial Value Problems?
- Marin
- · Replies 3 ·
Graduate Solving the Fourth-Order Differential Equation: d4y/dt4 - λ4 y= 0
- teeoffpoint
- · Replies 5 ·
Graduate Power Series Solutions of Laguerre Differential Equation
- vjraghavan
- · Replies 1 ·
Graduate Maximizing a functional when the Euler-Lagrange equation's solution violates ICs
- cfp
- · Replies 13 ·
Graduate 2nd order linear hyperbolic PDE?
- kingwinner
- · Replies 3 ·
Graduate What Is the Radius of Convergence for This Second-Order ODE Series Solution?
- BobbyBear
- · Replies 5 ·
High School Explore the Benefits of Personal Financial Planning
- DrMath
- · Replies 1 ·
Graduate Can You Solve This Non-linear PDE with Variable Separation?
- aminfar
- · Replies 1 ·
Graduate Solving First Order Differential Equation using substitution
- sristi89
- · Replies 3 ·
Undergrad How to Solve These Vector Field Equations?
- Unit
- · Replies 5 ·
Graduate Solving Bessel's Equation with Point of Indeterminations
- Alastor123
- · Replies 1 ·
Graduate Partial differential: partial scalar partial vector
- Havik
- · Replies 3 ·
Graduate Efficient Solutions for Solving First Order ODE with Constant A
- BobbyBear
- · Replies 2 ·
Graduate Need help with Impulse function and unit step function at singularity
- phoenixy
- · Replies 6 ·
Graduate Max Tension of a Chain on Vertical Poles: Find T as a Function of L
- djtsmith007
- · Replies 1 ·
Graduate Approximations used in Crank-Nicolson method for solving PDEs numerically
- pafcu
- · Replies 7 ·
Graduate Nonlinear ODE Help: Strategies to Solve a Challenging 1st Order PDE
- BobbyBear
- · Replies 5 ·
Graduate Why Use Two Arbitrary Constants in Circle Parametrization for PDEs?
- kingwinner
- · Replies 3 ·
Graduate Is the Modified Hamilton-Jacobi Equation a Wave Equation?
- Marin
- · Replies 1 ·
Graduate Regular singular points (definition)
- Substance D
- · Replies 3 ·
Undergrad Unsolvable differential equations?
- RedX
- · Replies 6 ·
Undergrad A difficult differential problem to solve.
- imam07
- · Replies 1 ·
Graduate Method of residues integration problem
- thrillhouse86
- · Replies 1 ·
Graduate Why is \partial/\partialx[K(x,u)\partialu/\partialu] Not a Linear Operator?
- Mark_Twain_MO
- · Replies 5 ·
Graduate Use of method of undetermined coefficients
- vineethbs
- · Replies 1 ·
Graduate Help with 1st order quasilinear PDE
- BobbyBear
- · Replies 2 ·
Graduate Can a distribution or delta function solve a NONlinear ODE or PDE
- zetafunction
- · Replies 2 ·
Graduate How to Solve This Second-Order Non-Linear ODE Involving Functions a(r) and b(r)?
- ramparts
- · Replies 1 ·
Graduate Solution of State Eqs when A matrix is Time dependent
- Barkan
- · Replies 1 ·
Graduate Questions regarding dummy variables
- Math451
- · Replies 1 ·
Graduate General Solution of dy/dt = -2ty + 4e^(-t^2) w/ Initial Value Problem
- KevinL
- · Replies 1 ·
Undergrad First order DE with exponential
- dragonblood
- · Replies 3 ·
Graduate Solving IVP: Is My Answer Correct?
- squenshl
- · Replies 1 ·
Graduate What is the characteristic equation for a first order linear PDE?
- kingwinner
- · Replies 8 ·