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
Graduate How Do You Transform and Simplify the Inverse Laplace Function 1/[s(2s^2+2s+1)]?
- fern518
- · Replies 1 ·
Graduate Numerical evaluation of modified Bessel equation
- Morberticus
- · Replies 1 ·
Graduate Polynomials, Kernels and Derivatives
- psholtz
- · Replies 2 ·
Graduate A problem with integration of modified Bessel function
- mozam
- · Replies 6 ·
Graduate Pi's connection to e, and its ubiquity in math
- mrwl2001
- · Replies 2 ·
Graduate What Is the Normal Derivative in a Sphere?
- yungman
- · Replies 3 ·
Undergrad How Can I Use Calculus to Verify This Physics Equation?
- strawberryy
- · Replies 2 ·
Graduate Unraveling Ince's Wronskian Puzzle: Linear Dependence of Minors
- psholtz
- · Replies 1 ·
Graduate 1st order PDE through Method of Characteristics
- masnet
- · Replies 27 ·
Graduate What is the next step in solving this Frobenius method problem?
- TheFerruccio
- · Replies 12 ·
Graduate How can I simplify a PDE with variable coefficients?
- vargasjc
- · Replies 5 ·
Graduate Initial speed of object sliding to a stop w/ air resistance
- Bill M
- · Replies 7 ·
Graduate How can the solution to a non-exact differential equation be derived?
- psholtz
- · Replies 5 ·
Graduate Variable coefficient Wave Equation
- vargasjc
- · Replies 6 ·
Undergrad Understanding the Equation in f'(x) Notation
- luckis11
- · Replies 3 ·
Graduate Need help for solving a set of differential eqns
- ygrl
- · Replies 8 ·
Undergrad How Do You Solve This Bernoulli Differential Equation?
- Loadme
- · Replies 5 ·
Graduate How Can I Prove the Property Function of Exponential Matrices?
- juaninf
- · Replies 5 ·
Graduate Why is my solution to this system producing strange results?
- AlinaR
- · Replies 1 ·
Graduate I am trying to plot the following numerical solutions:Input:
- Void123
- · Replies 5 ·
Graduate Can I Find a Unique Solution to the Given 2nd Order Differential Equation?
- Darkmisc
- · Replies 1 ·
Graduate Final condition instead of initial condition
- Petr Mugver
- · Replies 2 ·
Graduate 2nd ODE, Reduction of Order, Basis known
- Darkmisc
- · Replies 2 ·
Graduate Solution to Second Order Coupled PDE in x,y,z, and time
- landon244
- · Replies 1 ·
Undergrad Constant Coefficient Differential Equation
- fa2uk
- · Replies 5 ·
Undergrad How to solve recurrence relation with one real root and two complex roots ?
- huifei
- · Replies 1 ·
Graduate How to deal with this Neumann boundary conditions?
- daz71
- · Replies 21 ·
Graduate Do Singular Solutions Always Form a Boundary Around General Solutions?
- psholtz
- · Replies 4 ·
Graduate Solving 2nd Order ODE: Even Function Solution
- omyojj
- · Replies 2 ·
Graduate Integration by parts difficulties
- falcao
- · Replies 2 ·
Graduate Example of Maximum Principle for Heat Equation PDEs
- aa1174
- · Replies 5 ·
Undergrad What is the interval of definition for solutions of differential equations?
- Ali Asadullah
- · Replies 2 ·
Graduate How to Solve a Partial Differential Equation with a Laplacian Operator?
- Petar Mali
- · Replies 3 ·
Undergrad Solving 2nd Order Homogeneous Equations with Non-Constant Coefficients
- beetle2
- · Replies 3 ·
Graduate How Do You Solve a Nonlinear Differential Equation Involving Exponential Terms?
- CJDW
- · Replies 1 ·
Graduate Can You Help Solve These Complex Mathematical Equations?
- ferry2
- · Replies 5 ·
Graduate Solving a partial differential equation (Helmholtz equation)
- Repetit
- · Replies 7 ·
Graduate How can I solve the 2nd order PDE for \beta^{(0)} in geochemical thermodynamics?
- presentt
- · Replies 2 ·
Graduate Critical points of a Hamiltonian system
- xeno_gear
- · Replies 1 ·
Graduate Where Does the Equation E=p_x+\frac{p_y^2}{2m}+\frac{p_z^2}{2m} Come From?
- Piano man
- · Replies 5 ·
Graduate Linear wave equation with moving point source
- LightningStrike
- · Replies 5 ·
Graduate Numerical method to solve ODE boundary problem
- zetafunction
- · Replies 1 ·
Graduate Convolution of exp(-a*norm(x)^2) and exp(-b*norm(x)^2) ?
- jefferson_lc
- · Replies 1 ·
Graduate Separation of variables technique - When is valid? (and other questions)
- falbani
- · Replies 9 ·
Undergrad Can dy and dx in dy/dx Be Treated as Independent Variables?
- Mesmerized
- · Replies 5 ·
Graduate Is Nullcline Only Defined in Two Dimensions?
- Pythagorean
- · Replies 2 ·
Graduate Laplace Transform - Sigma+jw | Control Theory Explained
- shankarnus
- · Replies 3 ·
Undergrad Solve the given differential equations or initial-value problems
- Marwanx
- · Replies 3 ·
Graduate Question on why the book claimed Green's function =< 0.
- yungman
- · Replies 17 ·
Graduate Understanding Green's Identity: Solving Laplace Equation for Harmonic Functions
- yungman
- · Replies 4 ·
Graduate Verify Harmonic function and Laplace equation.
- yungman
- · Replies 3 ·
Undergrad Now use partial fractions on the left side.
- beetle2
- · Replies 7 ·
Graduate What is the Laplace Transform of f(x)=e^{bx}.sin ax?
- roshan2004
- · Replies 4 ·
Graduate Calculating Solutions for Second-Order Differential Equations
- luckis11
- · Replies 14 ·
Graduate Solving Difference Equations with Homogeneous and Inhomogeneous Parts?
- FeDeX_LaTeX
- · Replies 7 ·
Undergrad Constants in Second Order Differential Equation Solutions - A Simple Explanation
- luckis11
- · Replies 6 ·
Undergrad Why Do We Use lP+mQ+nR=0 in the Solution of dx/P=dy/Q=dz/R?
- abrowaqas
- · Replies 1 ·
Graduate Can partial vanishing of Poisson bracket determine local constants of motion?
- giova7_89
- · Replies 1 ·
Undergrad Where can I find practice problems for mastering Laplace transforms?
- gobberpooper
- · Replies 3 ·
Graduate Nonhomogeneous Second Order ODE containing log
- crowy
- · Replies 3 ·
Undergrad Is equation of line or curve in 3 space have to be a parametric equation?
- yungman
- · Replies 6 ·
Graduate Two dimensional Poisson's equation, Green's function technique
- omyojj
- · Replies 1 ·
Undergrad What is the meaning by a function with continuous 1st and 2nd derivatives?
- yungman
- · Replies 10 ·
Undergrad Laplace Transform - what are some applications?
- dzimitry
- · Replies 1 ·
Graduate Question about function defined in a region using Green's identities.
- yungman
- · Replies 6 ·
Graduate Coupled Differential Equations: How Do They Depend on Each Other?
- Jwill
- · Replies 4 ·
Graduate Solve Exponential Integral - Get Help Now
- Skullmonkee
- · Replies 6 ·
Undergrad Differential eq without multivariable?
- biogoal123
- · Replies 1 ·
Graduate Finding area of ellipse using line integral.
- yungman
- · Replies 2 ·
Graduate Solving Boundary Value Problems: Are Eigenvalues Equal?
- zetafunction
- · Replies 1 ·
Graduate Symmetry in Landen's transformation in elliptic integrals
- sshzp4
- · Replies 2 ·
Undergrad Can Laplace Transform Solve Differential Equations with Arbitrary Constants?
- bfaskiplar
- · Replies 2 ·
Graduate Solving Dirichlet problem using Green's identities.
- yungman
- · Replies 2 ·
Graduate (1/(x^2)) d/dx [(x^2)(dy/dx)] + y^n = 0
- Void123
- · Replies 1 ·
Graduate Cayley-Hamilton theorem for Operator
- zetafunction
- · Replies 1 ·
Graduate Verifying Bessel's Differential Equation
- taiello805
- · Replies 6 ·
Graduate Is There a Homogenous Function of Degree n < 0?
- psholtz
- · Replies 2 ·
Graduate Fourier transform of laplace operator
- LuisVela
- · Replies 4 ·
Undergrad Position as a function of time throught a varying gravitational field
- JJfortherear
- · Replies 2 ·
Graduate Help toward solving second order non-linear differential equation
- manikandanb
- · Replies 1 ·
Undergrad First order differential equations
- missmee
- · Replies 2 ·
Undergrad Separation of variables for second order DE
- daudaudaudau
- · Replies 2 ·
Undergrad Solving differential equation with a constant
- zarei
- · Replies 3 ·
Undergrad When Can't You Use the Wronskian Rule?
- Thiendrah
- · Replies 4 ·
Undergrad Dirac Delta Function: Application & Uses
- koustov
- · Replies 2 ·
Graduate Hom. heat equation in cylindrical coordinates using Fourier & Laplace transforms
- charndt
- · Replies 1 ·
Graduate How to solve this nonlinear differential equation numerically?
- wdlang
- · Replies 10 ·
Graduate Solving Blasius Equation with Fortran 77
- carpediem85
- · Replies 8 ·
Undergrad How exactly does the shooting method work?
- Cinimod
- · Replies 3 ·
Graduate Splitting PDE into system of PDEs
- nkinar
- · Replies 1 ·
Graduate Asymptotics of a linear delay integral equation
- Mute
- · Replies 2 ·
Graduate Help with System of nonlinear DEs
- Jay Carp
- · Replies 4 ·
Graduate Puzzled by A coupled system of PDEs
- Dr_Noface
- · Replies 1 ·
Graduate How to Simulate an Open Boundary in a 1D Wave Equation Solver?
- emirs
- · Replies 3 ·
Graduate The Alternating Direction Implicit Method in 2-D
- phyzmatix
- · Replies 3 ·
Graduate Hilbert Spaces for PDEs: How are they used?
- lostidentity
- · Replies 10 ·
Graduate Help with Poisson problem in a unit ball.
- yungman
- · Replies 1 ·
Graduate Is My Perturbative Solution of this Equation Correct?
- norman86
- · Replies 2 ·
Graduate How to interpret advection (v.del) v->v.(del v)
- Monty Hall
- · Replies 2 ·
Graduate Approximating unsolvable recursion relations
- Hoplite
- · Replies 7 ·