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.
Undergrad Physically, what is the difference between systems of ODEs and PDEs?
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Graduate ODE Theory Books: Find the Perfect Fit for You
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Graduate Can the Forced Wave Equation Be Solved Numerically?
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Undergrad Phase portrait direction clockwise or anticlockwise?
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Graduate Using Mathematica to solve 2nd order system of nonlinear ODE's
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Graduate How would you classify this Excitation Force?
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Undergrad Could anyone introduce me to the Bratu problem?
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Graduate What is the Kronecker index in dynamical systems?
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Graduate Inhomogenous NON-linear differential equation
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Undergrad Understanding Solutions of ODEs: y' = -(y^2)
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Graduate PDEs and Fourier transforms - is this problem too difficult?
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Graduate Solving the Damped Wave Equation: A Study of u(x,t) and its Derivatives
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Graduate Nonhomogeneous ODEs that can't be made homogeneous?
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Undergrad Please check if this solution is correct
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Undergrad Solve DiffEq for Runge-Kutta 4th Order Input
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Graduate Unique soution of this 2nd order diff equation.
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Graduate Analytical solution for heat equation with simple boundary conditions
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Graduate Units in the Navier-Stokes equation
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Undergrad Initial Value Problem using Laplace
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Undergrad How do i integrate this? Am i doing it right?
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Graduate Advection equation and Crank-Nicolson
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Graduate Where is the Mistake in Eq. 3?
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Graduate How to Solve an ODE with Mirror Functions?
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Undergrad How to Solve the Differential Equation dy/dx= x^2/y?
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Undergrad I'm trying to learn DE independently, so if this is insanely stupid,
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Graduate System of second-order autonomous ODE
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Graduate Mathieu oscillator: parametric resonance
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Graduate Paper buckling and 2nd Order NL ODE
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Graduate 2nd order differential equation in Reaction Engineering
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Graduate Diffusion equation without initial conditions
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Graduate Solving 2nd Order Diff Eq in Quantum Mechanics
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Graduate Help 2nd order ODE totally clueless
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Graduate What does this inhomog. wave eq'n mean?
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Graduate Solution for 2nd ODE Question 2d2ydx2 + 4 dydx+ 7y = e^−x cos x
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Graduate Something that can't be right about eigenvectors-where is my mistake?
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Graduate Reduction of Order ODE - Stuck on question
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Graduate Partial Derivative of Vectors a and b with Respect to x
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Graduate Solve third order, non-linear, ODE with indefinite BC's?
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Graduate Is there a general method for solving advection-diffusion equations?
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Undergrad Stupid question, dealing with algebra and fractions.
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Graduate Solving Difficult Differential Equations
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Graduate Multi-region Finite Difference- Interface between materials
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Graduate How Do You Solve These Coupled Differential Equations?
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Undergrad Finding velocity vs. time, when acceleration is dependent on velocity
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Graduate What Equation Combines Laplacian and Time Derivatives of a Vector Function?
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Undergrad Some questions for non/homogeneous equations
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Undergrad Can you use inverse Laplace transforms to solve problems with repeated roots?
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Graduate How Can This Nonlinear Differential Equation Be Solved?
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Undergrad Understanding Positive invariance
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Graduate Help with Understanding Governing Equations of CFD
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Graduate Solving pde with gaussian function
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Graduate Solving Diffusion equation with Convection
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Graduate Which Differential Equation Has a Unique Solution on the Interval (0, pi)?
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Graduate Solving for x(t) in a Nonlinear Differential Equation - Expert Help Needed
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Graduate Any notation for component-by-component vector multiplication?
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Graduate Solving Differential Equation (x^2 + x + 1)y'' + (4x + 1)y' + 2y = 1
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Graduate Separation of Variables for Solving PDEs
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Undergrad Diffrential equation subject qs
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Graduate Question about a Riccati type diff eq.
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Graduate Is this pde analytically solvable?
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Graduate Understanding Greens Function vs. Variation of Parameters
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Undergrad Safety of small angle approximations
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Graduate What is the Lagrangian and how does it relate to classical mechanics?
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Graduate Why do the pulses move like that?
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Graduate How can I solve a system of nonlinear differential equations with constants?
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Graduate How Do You Solve the Polar Boundary Value Problem in Sturm-Liouville Form?
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Graduate An autonomous ODE is simply an ODE
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Graduate Laplacian VS gradient of divergence
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Graduate Getting 1st order ODE's from a 2nd order ODE
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Graduate Cauchy-riemann using polar co-ordinates
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Graduate Difference Between Laurent & Taylor Series Expansion of Complex Diff. Eq
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Undergrad How to find the steady state solution
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Graduate Bessel type differential equation
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Graduate What is the difference between simple fixed pole and simple movable
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Graduate Solving Hermite Polynomials: Find Form from Definition
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High School How are Differential Equations usually found in real world applications?
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Graduate Modeling diffusion through two layers
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Graduate Solving Diffusion PDE By Finite difference Method in fortran
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Graduate Can the Wave Equation Solution Use Only Positive Values of n?
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Undergrad Solving PDEs: Separation of Vars., Method of Characteristics
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Graduate What is the spiral shape produced by an attractive (1/r^2)sin(theta) force?
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Graduate Scaling parameters in central difference solution
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Undergrad Is the differential equation solvable?
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Graduate DEFINITE integral of sinaxsinbx FROM 0 to infinity
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Undergrad Linear Systems and Linear Differential Equations
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Graduate Integral simplification with dummy variable s
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Graduate Maximization problem of tuple set
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Undergrad Discrete Derivatives: 1st, 2nd & Higher Order
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Graduate 3-body solution in two dimensions
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Graduate How Do You Solve the Homogeneous Equation for ty''-(t+1)y'+y=0?
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Graduate Question Fourier half range expansion of function on 0 < x < p
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Graduate Falling Raindrop - Evaporation and - Diff Eq project
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Graduate Solving Dynamical Systems with Polar Coordinates
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Graduate Integral of square of Bessel function
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Graduate DIfferential equation for understanding cosmological expansion -
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Graduate Should the Force Term in Anharmonic Oscillators Only Include Odd Powers of x?
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Undergrad What Courses Follow AP Calculus for Aspiring Physics Students at UCLA?
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What Are Some Suggestions for Checking an Answer and Identifying Mistakes?
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Graduate Solving the Non-Linear ODE: x+ x^2*y+x^3*y^2
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Undergrad Solving Inverse Laplace Transform: Understanding L^{-1}(8)
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