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 a PDE in four variables without separation of variables
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MHB How Can You Analyze and Solve These Complex Differential Equations?
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Graduate Finite Difference solver for 2D Elasticity equations
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Undergrad Can initial conditions for an ODE be given by functions instead of constants?
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Undergrad How Can I Solve a Differential Equation with Non-Constant Coefficients?
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Undergrad Convert complex ODE to matrix form
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Undergrad Norm of a Functional and wavefunction analysis
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High School Solve ODE with Fractional Term: Find Solutions
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High School Solving a differential equation with a unit vector in it
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Undergrad Physics? Setting up PDE for air resistance at high velocity
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MHB Inverse and differentation of an equation
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Undergrad Homogeneous Wave Equation and its Solutions
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Graduate Unraveling the Confusion: Mistakes in Solving PDEs in Spherical Coordinates?
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Graduate Fourier Transform for 3rd kind of boundary conditions?
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Undergrad 2nd order ODE numerical solution
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Undergrad Need a help in solving an equation (probably differentiation
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Graduate Convergence order of central finite difference scheme
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MHB Bounded Solution For Differential Inequality
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MHB Integrating Factors for Solving Differential Equations
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Graduate Understanding dummy variable in solution of 1D heat equation
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MHB Problem 13 from section 16.1 of Taylor's PDE textbook.
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Graduate Is the discretization for the PDE correct?
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Undergrad Symmetry in differential equations
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Graduate What is the method for calculating the dampening of thermal oscillations?
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Undergrad Why Does This Higher Order Derivative Equation Hold?
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Undergrad Three different integration schemes
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Graduate Better way to find Finite Difference
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Undergrad Partial Vector Derivative: Is This the Correct Derivative of B?
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Undergrad Resolution of a PDE with second order Runge-Kutta
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Graduate Finite difference of fourth order partial differential
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Graduate How can I plot a 3D phase space for a system of differential equations?
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MHB Well-posedness of a complex PDE.
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Graduate Laplace equation- variable domain
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Undergrad Heat equation with variable coefficients
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Undergrad Complex representation of wave function
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Graduate Cylindrical Poisson equation for semiconductors
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High School Simple double integration of square wave question
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Graduate Transforming a PDE with Laplace method
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Undergrad The role of the weight function for adjoint DO
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Undergrad Is the Laplacian Operator Different in Radial Coordinates?
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Graduate Complex notation in telegrapher's equations
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MHB Solutions to Bessel's equation with Wolfram
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Undergrad Separation of variables for nonhomogeneous differential equation
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Undergrad Question about second order linear differential equations
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Graduate Efficient Solutions for the Poisson-Boltzmann Equation in a Rectangular Domain
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Graduate Problems with identities involving Legendre polynomials
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Graduate Equilibrium in system of non-linear difference equations
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Undergrad Sturm-Liouville theory in multiple dimensions
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MHB Find a product solution to the following PDE
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Undergrad Green's function and the evolution operator
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Undergrad Second order PDE with variable coefficients
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Undergrad Substitution in partial differential equation
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Graduate A system of partial differential equations with complex vari
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Graduate Discretization for a fourth-order PDE (and solution)
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Undergrad Question regarding integration of an equation
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Undergrad What are partial differential equations?
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MHB -17.2.0 Solve y''+7y'+10y=80 by undetermined coefficients.
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Undergrad Free pdf for PDE on AMS Open Math Notes
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Graduate Some questions regarding the ADI Method
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Undergrad When is a Constant a Solution to a Differential Equation
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MHB -Identify the equilibrium values y'=5\sqrt{5},y>0
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MHB Elimination of Arbitrary Constant
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Undergrad What is the Result of this Partial Derivative
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Undergrad Can Differential Equations with Quadratic Terms Be Solved Analytically?
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Undergrad Quick Differential Form Question
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Undergrad Question About Exact Differential Form
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MHB Method of separation of variables
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Undergrad Laplace equation boundary conditions
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MHB -17.2.05 by undetermined coefficients.
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Graduate A system of DEs with variable coefficients.
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Graduate 2D Cartesian Laplace equation with a single point diffusion
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MHB Solving the Wave Equation: Finding $u(x,t)$
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Undergrad Independence of variables in Convolution
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Undergrad Two point boundary problem - Shooting method
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MHB -242.17.8 Solve y''-10y'+25y&=2e^{5x} by variation of parameters.
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Graduate Unusual Bessel-like Differential Equation with Negative Sign
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Graduate Finite difference formulation ideas (journal verification)
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Graduate 2nd Order PDE Using Similarity Method
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Undergrad Electrical circuit differential equation
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Undergrad Constructing a 2nd order homogenous DE given fundamental solution
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Graduate Conceptual Solution of a First Order PDE
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Undergrad Weak Maximum Principle Explained
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MHB Is the Solution Unique? Investigating the Uniqueness of a Boundary Value Problem
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MHB -17.2.9 Solve \ y''-y&=2e^{-x}+3e^{2} by undetermined coefficients
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MHB -auxiliary eq for y''+9y&=5\cos{5x}
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MHB Find Solution to Cauchy Problem & Determine Space in $\mathbb{R}^2$
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Undergrad Uniqueness and Existence Theorm
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MHB -17.2.02 - Solve 2nd order ODE using undetermined coefficients.
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MHB -17.2.01 Solve the given equation by the method of undetermined coefficients
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Graduate 2D Finite Difference formulation in polar coordinates.
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MHB How can we extend the solution of an initial value problem using Fourier series?
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Graduate RK method for heat equation with dependent variables
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Undergrad 2D Laplacian in polar coordinates
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MHB Odd & Even Extension of a Function: Explained
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Undergrad Determining the coefficient of the legendre polynomial
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Undergrad Lagrange Pendulum Equation of Motion
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MHB -17.2.53 Find the unique solution from initial conditions.
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MHB -17.2.10 y_p is a particular solution
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Undergrad What is the closed form expression for f(a,b,n)?
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Graduate Implementing a weird-looking boundary condition (PDE/FDM)
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