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 A problem with integration of modified Bessel function
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Graduate Pi's connection to e, and its ubiquity in math
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Graduate What Is the Normal Derivative in a Sphere?
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Undergrad How Can I Use Calculus to Verify This Physics Equation?
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Graduate Unraveling Ince's Wronskian Puzzle: Linear Dependence of Minors
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Graduate 1st order PDE through Method of Characteristics
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Graduate What is the next step in solving this Frobenius method problem?
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Graduate How can I simplify a PDE with variable coefficients?
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Graduate Initial speed of object sliding to a stop w/ air resistance
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Graduate How can the solution to a non-exact differential equation be derived?
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Graduate Variable coefficient Wave Equation
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Undergrad Understanding the Equation in f'(x) Notation
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Graduate Need help for solving a set of differential eqns
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Undergrad How Do You Solve This Bernoulli Differential Equation?
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Graduate How Can I Prove the Property Function of Exponential Matrices?
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Graduate Why is my solution to this system producing strange results?
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Graduate I am trying to plot the following numerical solutions:Input:
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Graduate Can I Find a Unique Solution to the Given 2nd Order Differential Equation?
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Graduate Final condition instead of initial condition
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Graduate 2nd ODE, Reduction of Order, Basis known
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Graduate Solution to Second Order Coupled PDE in x,y,z, and time
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Undergrad Constant Coefficient Differential Equation
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Undergrad How to solve recurrence relation with one real root and two complex roots ?
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Graduate How to deal with this Neumann boundary conditions?
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Graduate Do Singular Solutions Always Form a Boundary Around General Solutions?
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Graduate Solving 2nd Order ODE: Even Function Solution
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Graduate Integration by parts difficulties
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Graduate Example of Maximum Principle for Heat Equation PDEs
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Undergrad What is the interval of definition for solutions of differential equations?
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Graduate How to Solve a Partial Differential Equation with a Laplacian Operator?
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Undergrad Solving 2nd Order Homogeneous Equations with Non-Constant Coefficients
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Graduate How Do You Solve a Nonlinear Differential Equation Involving Exponential Terms?
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Graduate Can You Help Solve These Complex Mathematical Equations?
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Graduate Solving a partial differential equation (Helmholtz equation)
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Graduate How can I solve the 2nd order PDE for \beta^{(0)} in geochemical thermodynamics?
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Graduate Critical points of a Hamiltonian system
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Graduate Where Does the Equation E=p_x+\frac{p_y^2}{2m}+\frac{p_z^2}{2m} Come From?
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Graduate Linear wave equation with moving point source
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Graduate Numerical method to solve ODE boundary problem
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Graduate Convolution of exp(-a*norm(x)^2) and exp(-b*norm(x)^2) ?
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Graduate Separation of variables technique - When is valid? (and other questions)
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Undergrad Can dy and dx in dy/dx Be Treated as Independent Variables?
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Graduate Is Nullcline Only Defined in Two Dimensions?
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Graduate Laplace Transform - Sigma+jw | Control Theory Explained
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Undergrad Solve the given differential equations or initial-value problems
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Graduate Question on why the book claimed Green's function =< 0.
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Graduate Understanding Green's Identity: Solving Laplace Equation for Harmonic Functions
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Graduate Verify Harmonic function and Laplace equation.
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Undergrad Now use partial fractions on the left side.
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Graduate What is the Laplace Transform of f(x)=e^{bx}.sin ax?
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Graduate Calculating Solutions for Second-Order Differential Equations
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Graduate Solving Difference Equations with Homogeneous and Inhomogeneous Parts?
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Undergrad Constants in Second Order Differential Equation Solutions - A Simple Explanation
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Undergrad Why Do We Use lP+mQ+nR=0 in the Solution of dx/P=dy/Q=dz/R?
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Graduate Can partial vanishing of Poisson bracket determine local constants of motion?
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Undergrad Where can I find practice problems for mastering Laplace transforms?
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Graduate Nonhomogeneous Second Order ODE containing log
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Undergrad Is equation of line or curve in 3 space have to be a parametric equation?
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Graduate Two dimensional Poisson's equation, Green's function technique
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Undergrad What is the meaning by a function with continuous 1st and 2nd derivatives?
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Undergrad Laplace Transform - what are some applications?
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Graduate Question about function defined in a region using Green's identities.
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Graduate Coupled Differential Equations: How Do They Depend on Each Other?
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Graduate Solve Exponential Integral - Get Help Now
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Undergrad Differential eq without multivariable?
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Graduate Finding area of ellipse using line integral.
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Graduate Solving Boundary Value Problems: Are Eigenvalues Equal?
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Graduate Symmetry in Landen's transformation in elliptic integrals
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Undergrad Can Laplace Transform Solve Differential Equations with Arbitrary Constants?
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Graduate Solving Dirichlet problem using Green's identities.
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Graduate (1/(x^2)) d/dx [(x^2)(dy/dx)] + y^n = 0
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Graduate Cayley-Hamilton theorem for Operator
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Graduate Verifying Bessel's Differential Equation
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Graduate Is There a Homogenous Function of Degree n < 0?
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Graduate Fourier transform of laplace operator
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Undergrad Position as a function of time throught a varying gravitational field
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Graduate Help toward solving second order non-linear differential equation
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Undergrad First order differential equations
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Undergrad Separation of variables for second order DE
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Undergrad Solving differential equation with a constant
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Undergrad When Can't You Use the Wronskian Rule?
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Undergrad Dirac Delta Function: Application & Uses
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Graduate Hom. heat equation in cylindrical coordinates using Fourier & Laplace transforms
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Graduate How to solve this nonlinear differential equation numerically?
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Graduate Solving Blasius Equation with Fortran 77
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Undergrad How exactly does the shooting method work?
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Graduate Splitting PDE into system of PDEs
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Graduate Asymptotics of a linear delay integral equation
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Graduate Help with System of nonlinear DEs
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Graduate Puzzled by A coupled system of PDEs
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Graduate How to Simulate an Open Boundary in a 1D Wave Equation Solver?
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Graduate The Alternating Direction Implicit Method in 2-D
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Graduate Hilbert Spaces for PDEs: How are they used?
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Graduate Help with Poisson problem in a unit ball.
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Graduate Is My Perturbative Solution of this Equation Correct?
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Graduate How to interpret advection (v.del) v->v.(del v)
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Graduate Approximating unsolvable recursion relations
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Graduate How Does Scaling Work with Kummer's M Function?
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Graduate How to Use NDSolve for Wave Pulse Propagation?
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Graduate What is a Physics Fight and How to Investigate Magnet Oscillations?
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