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 Laplace transform of a Taylor series expansion
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Graduate Nonlinear diff. eq. involving Besselfunction of first kind
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Graduate Help with Legendre Differential equation
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Graduate How to handle the Dirac delta function as a boundary condition
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Graduate Is the Infinite Sum of Normal Modes a Valid Solution to PDEs?
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Graduate Is Separation of Variables the Key to Solving Linear PDEs in Finance?
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Undergrad Having a hard time understanding Runge-Kutta integration method
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Undergrad Why does separation of variables work?
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Graduate Complex vector X, X=point in 3D phase space, X*X = 0.
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Graduate Easy ODE to solve using frobenius method help?
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Undergrad Is Your Differential Equation Solution Accurate?
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Undergrad What is the solution to finding the time when two objects collide in 2d space?
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Graduate Calculate Asymptotic Potential at r->∞ for Nonlinear Diff. Eq.
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Undergrad Second order differential equations and analog computers
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Graduate Understanding the manipulation of Laplacian
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Undergrad OLS regression - using an assumption as the proof?
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Graduate Change of dependent variable in a DE
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Graduate Determining a function by the properties it posesses
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Graduate How Can I Modify My Equation to Become a Continuous-Time Function?
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Graduate What is needed to solve the Navier-Stokes equations' well-posedness problem?
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Undergrad Numerical integration of angular velocity
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Graduate Using WKB(J) method to obtain asymptotics for an elastic string?
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Graduate Order to create a temperature profile.
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Graduate Power series method of solving ODE
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Undergrad Undamped spring system, need help
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Graduate Solving Differential Equations with Laplace Transforms
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Undergrad How can I find the values for B and C in a partial fractions equation?
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Undergrad When can I use separable solutions for PDE's?
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Graduate Uniqueness of PDE Solutions: Investigating the Heat Equation
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Graduate Solving the PDE for a Sphere in Vacuum: Temperature over Time
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Undergrad Finding the Root of a Transcendental Equation with Sinh
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Graduate Solving Asymptotic Matching for LaTeX Boundary Layer
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Graduate How do I solve a 2nd order nonlinear ODE with specific boundary conditions?
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Graduate What type of integral equation is this and how can I solve it?
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Graduate What is the geodesic on a parabolic surface defined by z = A / (x^2 + y^2)?
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Graduate Solution of Euler-Lagrange equation
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Graduate Differential equation similar to Legendre
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Undergrad First order homogenous DE with variable coefficient
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Graduate Solution of a Transport-type equation
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Graduate Laplace help on a DC transient RC circuit
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Graduate Help in Split step fourier method
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Graduate Sliding down a hill with no friction, non-constant incline
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Graduate How to Simplify Equations Using Perturbation Method?
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Undergrad Laplace equation only applies in limited regions ?
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Graduate How Do You Calculate the Arc in Pseudo Arc-Length Continuation?
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Graduate System of ODE's and direction field
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Graduate Linear Differential Operator/Inner Product
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Graduate Can Steady Solutions of ODEs Be Time-Independent with Small Perturbations?
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Undergrad Solution of differential equation
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Undergrad Can somebody solve this equation for y using ln or any other technique
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Graduate How can I find two linearly independent solutions for 4xy''+2y'+y=0?
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High School Calculating Coefficient of Friction with the 22/7 Formula
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Graduate Monotonicity of the Line Function K on a 3D Space
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Undergrad How is the solution for y[n+1] obtained using Euler's forward method?
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Graduate Reaction diffusion problem concentric spheres
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Graduate Laplace's equation in spherical co-ords
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Undergrad Comparing Numerical Methods for ODEs: Euler, Heun, and Runge-Kutta
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Graduate Can't solve differential equation for atmosphere density
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Graduate Orthogonality Property of Hyperbolic functions ?
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Graduate Confused about separation of variables for PDE
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Graduate A tricky 2nd Oder ODE Problem,nonhomo delta=0 case
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Graduate Help with Inverse Laplace Transform
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Graduate Finding behaviour of ODE solutions without solving for them
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Undergrad Simple Harmonic Motion solution problem
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Graduate Solving Differential Equation xy'' - y' + 4x^3y = 0 with Self Adjoint Form
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Graduate Bessel Function First Kind: Can Someone Help with C and RK Method?
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Graduate Solution to diffusion equation - different input
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Graduate A second ODE problem that bothers me a lot HELP
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Graduate Fundamental Solution of Laplace Equation 2d vs 3d
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Graduate Why Use the Reflection Principle for Boundary Conditions in PDEs?
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Graduate Green's Formula for Laplace Eqaution : For any BC's ?
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Graduate Solving a PDE Using Finite Difference Method
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Graduate Determining Legendre polynomials (Boas)
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Graduate Frobenius Series: The Significance of Non-Zero First Terms
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Graduate Is the Fourier Heat Equation's Speed of Propagation Infinite?
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Graduate Beta-Plus Decay Process: Explaining at Nucleon & Quark Level
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Undergrad Laplace Transform Problem - Peacewise Functions
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Graduate How to solve 2nd order non-linear DE with exponential
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Graduate Solving Differential Equations Involving Vector Fields
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Graduate Proving the Airy Functional Equation: A Challenge in Complex Analysis
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Undergrad Help Needed Solving A-level Diff Eq Project w/ GPS Data
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Graduate How to Estimate with a Computer program a 3rd order diff eq
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Graduate Splitting a second order PDE into a system of first order PDEs/ODEs
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Graduate How to Solve Sturm-Liouville Problems to Find Eigen Value and Eigenfunction?
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Graduate Derivation of Variation of Paramters
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Graduate Insane differential equation help?
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Graduate Mastering PDEs: Solving the Non-Constant Coefficient d^2G/dxdy Equation
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Undergrad Differentiating natural logs and exponential functions?
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Graduate Solving ODEs w/ Frobenius Method: Q on b, c as Funcs of x
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Undergrad Cannot figure out how to solve this differential equation
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Graduate Notation issue: Grad with a vector subscript
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Undergrad Solving Linear Differential Equations: A Beginner's Guide
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Graduate Heaviside function and Unit impulse (delta) help
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Graduate Solve Surds Using Laplace Transform
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Graduate Differential Equation with loans and investments
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Graduate Calculus of Variations Euler-Lagrange Diff. Eq.
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Undergrad How Do I Find the Inverse Laplace Transform for These Functions?
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Graduate Fourier Transforms: Why Can't Homogeneous PDEs Be Solved?
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Undergrad System of differential equations (classification of 3x3 case)
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Undergrad Answer:Limiting Population: Solving Logistic Equation with P_0
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