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 Solving x with a*b*c^3, Pie^2, i & 16
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Undergrad Linear Differential Equation Help
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Graduate From system of first-order to a single ODE
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Graduate Suggestions for scheme to use to solve PDE numerically
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Graduate Inverse laplace transform for unique diffusion type problem
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Undergrad Derivation of 2nd divided difference
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Graduate How to Solve Simultaneous Laplace Transforms?
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Graduate Finding Equation to Describe Graph of Perceived vs Real Angles
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MHB How can steady states be found for discrete models?
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MHB Transform Boundary Conditions w/ Diff. $g_{0}, g_{1}$
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Undergrad What is the Correct Way to Use the Integrating Factor Method for Proving an ODE?
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MHB Prove Existence & Uniqueness for Diff. Eq. w/ Measurable Coeff. & RHS
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MHB Solving Heat PDEs: Is There a Standard Procedure?
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MHB Another PDE and boundary conditions
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Graduate ODE with a function of variable crazy equ
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Graduate Solving the Non-Linear ODE: Seeking Help
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Graduate How Can I Solve This Complicated Bernoulli Equation?
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Graduate How to Solve a PDE in Spherical Coordinates Using Vector Spherical Harmonics?
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Undergrad Question about linear second order ODE solution coefficients
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Undergrad Help with ODE using an integrating factor
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Graduate ODE Approaching the expicit solution
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Graduate Solve laplace's equation on semi infinite strip
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MHB Modeling Plankton Herbivory Dynamics
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Graduate Numerical Solutions to Laplace's equation in a wedge
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Undergrad How Does the Alligator Population Change Over Time in a Swamp?
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Graduate Solving for Time in a Volume Flow Rate DE - Help Needed
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Graduate Solve Navier Stokes Eq for Vo | Don't Get Prof's Answer
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Graduate KdV Equation - Modelling Soliton
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MHB Understanding Systems of DEs with Non-Zero $b(t)$
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Graduate Separable Equation - Notation Question w/ Infinitesimals
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MHB Could this nondimensionalized ODE reveal hysteresis through its steady states?
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MHB Solving a Heat Equation with $\sin \pi x$
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Graduate Can complex analysis be used to solve PDEs other than the Laplacian?
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Graduate Chain Rule & PDES: Solving ∂z/∂u
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Undergrad How do you determine if a force field is conservative?
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MHB How was u_1 and u_2 star determined
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MHB Solving Separable Variables: Need Assistance!
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Graduate Finite Element and CFL condition for the heat equation
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Graduate Need help for solving a 2nd order nonlinear differential equation
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MHB What Are the Steady States of the Nondimensionalized DE System?
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Graduate How to Solve this Second Order PDE with Fixed Boundaries in Y?
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MHB Solving First Order PDEs: Laplace, Fourier & Separation of Variables
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MHB Solve Laplace Transform ODE: $\sin t, 0<t<\infty$
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MHB Solve Bounded $u_t=u_xx$ Let $u_t=u_xx,\,t>0,\,x\in\mathbb R$
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MHB Solution given by sum of functions on a PDE
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MHB Solving Linear First Order ODEs: y' + p(x)y = q(x)
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MHB Apply Fourier Transform to Solve t2u_t-u_x=g(x)
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MHB Solving PDF by using Fourier transform
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Undergrad Using an integrating factor properly
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MHB A few small questions about differential equations
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Graduate Analytical solution to the diffusion equation with variable diffusivity
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Graduate Finding Solutions to a PDE System with Known Scalar Function
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Graduate Integrate dx/(1-x): Solve (2/3a)(1-(1-aW)^(3/2))
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Graduate Differential equation/rational function
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Undergrad Where Did I Go Wrong in Solving This Initial Value Problem?
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MHB Need help with transforming one PDE to another
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Graduate Help with nonlinear 1st order ODE
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MHB Is My Solution to the First-Order Separable ODE Correct?
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Graduate Help for Heat Equation - Questions from Chen
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Undergrad Why Is the Solution to dy/dx = -x/y Expressed as y^2 + x^2 = c?
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Graduate Partial Fractions (Laplace Transform, complex roots)
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Undergrad Solving an ODE: Methods and Confusion
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Graduate Solving Implicit O.D.E: sin(y) + xy - x^3 = 2 | 2nd Order ODE Help
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Graduate How can I solve this tough integral equation for a dipole magnetic field?
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Undergrad How Do You Solve These Differential Equations Using Separation of Variables?
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Undergrad Differentials of Composite Functions
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Undergrad First order non-separable linear deq's using an integration factor?
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Undergrad Chain rule for implicit differentiation
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Graduate What Are the Commutators of Vector Operators?
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Graduate How to Solve the Mixed Partial Differential Equation Given Boundary Conditions?
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Graduate Heat Equation: Understand Propagation of Heat
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Undergrad Chain rule and cylindrical coordinates
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Graduate Where does the general solution for second order linear ODEs come from?
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Graduate Causality and the inhomogeneous wave equation with a moving source
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Graduate Linearize 2nd Order Diff Equations
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Graduate General solution to differential equations
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Undergrad Help me learn to sketch phase portraits
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Graduate Solving Differential Equations for Tank of Water and Salt
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Graduate Using Change of Variable to Solve Transport Equation
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Graduate How Do You Solve the PDE u_x + x u_y = u + x with Initial Condition u(x,0)=x^2?
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Graduate Picard method of succesive approximation
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Graduate Autonomous System Summation: What is the sum of X1 + X2 + ... to infinity?
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Graduate A pde question that contains fourier series
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Graduate Non Linear ODE whose solution is can be viewed as a cumulative distribution function
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Graduate Why Multiply Green Functions with Heaviside Step Function?
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Graduate Solving Homogenous Eq. with Initial Conditions: u(x)=\int^x_0 f(s)g(x,s)ds
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Graduate Harmonic oscillator with slight non-linearity
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Undergrad Solving Finite Difference BVP with Thomas Algorithm
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Graduate Solving y''+3iy'+y=cos(2t) with Undetermined Coefficients
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Graduate A basic ODE where Runge Kutta doesn't work?
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Graduate Solving Simple PDEs for Beginners
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Graduate Understanding Nonlinear Differential Equations in Classical Mechanics
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Graduate Solving Navier-Stokes for Pressure in 1D
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Graduate PDE Iteration with cross product
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Undergrad Two phase decay equation solution
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Graduate Solving transcendental equations with discontinuities
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Graduate Lagrangian Mechanics and Differential Equations
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Graduate Finite element method for shallow water equations
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Graduate Solving Mass Conservation with Characteristic System
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Graduate How to Evaluate Integrals Involving Bessel Functions and Exponential Terms?
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