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.
MHB How Does Angular Velocity Affect Crane Boom Dynamics?
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MHB Kavina's question at Yahoo Answers regarding an initial value problem
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MHB How to Sketch and Interpret Streamlines in a Streamfunction?
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Graduate How do i evaluate the convergence
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Graduate Non linear ODE: y'' = a y + b y^3
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Graduate How Do You Derive Coefficients for Expanding f(x) Using Sine Waves?
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Graduate A specific method of characteristics problem
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Undergrad Inverse Laplace of 1s: Formula-Based Solution
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Graduate DG method for nonlinear elliptic PDE
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Graduate Exploring Non-Separable Solutions for the Time-Dependent Schrödinger Equation
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Graduate Global solution to inhomogeneous Bernoulli ODE
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Graduate Chaos theory vs catastrophe theory
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Graduate Simple equations in Dirac Delta function terms
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MHB Converting Second Order to First Order: A Systematic Approach
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MHB Holmes' question at Yahoo Answers regarding a Cauchy-Euler equation
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Graduate Integral involving product of derivatives of Legendre polynomials
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Graduate D^2T/dx^2 + d^2T/dy^2 + d^2T/dz^2 = C
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Graduate Solving an integral equation by iteration
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MHB Fishfood12m's question at Yahoo Answers regarding special integrating factors
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MHB Randy's question at Yahoo Answers (linear differential quation)
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Graduate Solving Differential - Equation of Motion
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MHB Norwin Dole's question at Yahoo Answers about a differential equation
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Graduate Solving time dependent differential equation and plotting
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Graduate Question about parabolic cylinder functions
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Graduate Solving Du/dt=A*d^2u/dx^2 w/ Boundary Conditions
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MHB Non homogeneous linear differential equation
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Undergrad How do you indicate transient terms when y just equals 1 ?
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Graduate Is the Black-Scholes equation a differential equation?
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Undergrad Is This Differential Equation Separable?
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Undergrad Difference between particular integral and particular solution?
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Graduate Stuck on one of the substitution method steps
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Undergrad How do you check your answer in a diff. eq. problem when you can't solve for Y?
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Undergrad When y= a constant, how do you find the interval of definition?
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MHB Finding Orbit Type with Energy Equation
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Graduate How to Solve a Non-Exact Differential Equation with an Integrating Factor?
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MHB Calculating Elliptical Orbit Points & Flight Path Angle
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Graduate Second order pde - on invariant?
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Undergrad Disagreement with my teacher about linear DE's
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Graduate Numerical Methods for PDEs, basic algorithm?
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MHB Abby's question at Yahoo Answers involving exponential decay
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Graduate Differential expression: Does it make sense?
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Graduate Find an Autonomous ODE with Specified Properties
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Graduate Understanding the Heat Equation and its Practical Applications
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MHB Melissa's question at Yahoo Answers regarding solving a linear first order ODE
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MHB I'm Confused's question on Yahoo Answers involving a recurrence relation
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MHB Can the Hypergeometric Equation Prove that tan^-1x = xF(1/2, 1, 3/2, -x^2)?
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Undergrad Help with this separable differential equation
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Undergrad Solving 2nd Order Linear DE with Constant Coefficients
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Graduate Matrix differential equation for rectangular matrix
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Undergrad Which Books Discuss Nonlinear Differential Equations?
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Undergrad First order differential equation question
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Undergrad Criteria for Solving this equation
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Graduate ODE solution method and external packages
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Graduate Number of parameters for a nonlinear differential equation
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Graduate System of non-linear partial differential eqs from electrostatics
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Undergrad Physical Applications of the Bernoulli Diff Eq
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Graduate Understanding Dirac Delta Function: Time Derivative & Hankel Transformation
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Graduate Solving a 2 d.o.f. spring-mass-damper system
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Undergrad Can you explain the theory behind separable differential equations?
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MHB Four Non-Linear Simultaneous Equations
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Graduate Can dy/dx=x^2+Y^2 be solved analytically?
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Graduate Mathematical model of continuous and batch (discrete) system combined
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Undergrad Convolution theorem and laplace transforms
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Graduate Linearization of Second Order Differential Equations
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Graduate Colliding Particles in Granular Material Flows
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MHB Heat and Temperature Equations-Separation of variables
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Graduate Can This Differential Equation Be Simplified or Solved Numerically?
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Undergrad Rayleigh's differential equation
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Graduate Is This Differential Equation Non-Exact in Non-Simply Connected Regions?
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Graduate How are partial differential equations used to model physical systems?
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Graduate How to integrate this partial differential equation
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Undergrad Power series when to use Frobenius method
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Undergrad What is the Uniqueness Theorem and its Application in Physics?
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Graduate How to Model Droplet Vaporization Using Coupled Non-linear Equations?
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High School What is the difference between a differential equation and a derivative?
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MHB How can nonlinear ODEs be solved effectively?
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MHB Q How to Solve Nonlinear ODEs with Two Variables and Homogeneous Equations?
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Undergrad Uniqueness Theorem: Qualitative Example of 1st Order Linear DE
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Graduate How to solve general engineering equation (Duhammel Integral)
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Graduate Nonlinear second order differential equation
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Undergrad Why Equate Differential Equations to Zero?
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Graduate What is the form of the following recursion relation?
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Undergrad Why Don't We Write the Coefficient m(x) in Differential Equations?
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Graduate Why do we use different methods for finding power series solutions?
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Graduate Differential equation selection and linear transformations
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MHB Solving the 1D Heat Equation with Separations of Variables
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Graduate How Can I Solve This Non-Linear PDE in 2D?
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Graduate Laplace equation in a square with mixed boundary conditions
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Graduate Crude Fourier Series approximation for PDEs.
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Graduate Change ODE system to Polar to apply Poincare-Bendixson
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Graduate How to solve the following integral-differential equations?
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MHB Can this perturbation problem be solved using a multi-scale approach?
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Graduate On Bessel function's orthogonality
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Undergrad Why Is the Constant of Integration Zero in This Differential Equation Example?
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Graduate Substitution to turn a non-linear least squares problem into a linear one
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MHB Van der Pol Equation: Solving w/ Perturbation Methods
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Graduate Does this differential equation have a closed form?
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Graduate System of nonlinear integral equations
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MHB Integral Notation of an exponential Brownian motion
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Undergrad What guess should I use when the right hand side is a constant?
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