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 do I find the Laplace Transform for U3(t)(t-3)^5/2?
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MHB Laplace Transform: Basic Concepts & Applications
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Graduate Solving Non-Linear ODE: Tips and Guidance from PF Community
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MHB How to solve an ODE in powers of x?
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MHB Laplace equation and Median Value Property
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Graduate Solving Boundary Conditions in 2D Axisymmetrical Model
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M. Kyncl's Numerical Solution of 3D Compressible Flow: Master's Thesis 2011
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Graduate Find General Solution for Inhomogeneous 2nd ODE
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Graduate Time dependent three dimensional dirac delta function
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Graduate Math expression for a developing waveform?
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Graduate Ordinary differential equations. Series method.
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MHB Proving Laplace Equation in $\Omega_{(a,b)}$
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Graduate What is the solution for the attached equation?
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Graduate Solve coupled nonlinear differential equations
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Graduate What would the laplace inverse of a laplace be?
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Graduate Determine coefficients of a differential equation
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MHB How Can You Reduce This PDE to Its Canonical Form?
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Undergrad Vector Wave Equation: Uses & Benefits
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Graduate Problem integrating a double integral
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Graduate How would I take the laplace transform of f(t)= te^tsin^2(t)?
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Undergrad What did I do wrong in solving this basic differential equation?
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MHB Express 3sin(3x)-4cos(3x) in the form Rcos(3x+\alpha)
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Graduate Power series solution, differential equation question
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MHB Solving 2nd order differential equation numerically
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Graduate System of ODEs with RK4 & step doubling in Fortran : damping
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Graduate Nonlinear heat equation -- Handling the conductivity
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Graduate Relation between energy conservation and numerical stability
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MHB Linear differential equations with constants coefficients
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Graduate Is the Dirac Delta Function Squared Equal to Itself?
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Graduate Approximate solution of differential equation
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Graduate Why does this "clearly" solve the heat equation?
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Graduate Nonlinear PDE Help: Solving \alpha(uu_x)_x = u_t | Initial Value Problem Tips"
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Graduate Estimating the Parameter 'a' from ODE System
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MHB How do we choose the number of subintervals?
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MHB Order of Accuracy for Finite Difference Method Backward Euler
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Graduate Can Klein-Gordon Equation Solutions Have Compact Support?
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Graduate Is there a way to verify the correctness of decoupled linear ODE solutions?
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MHB Calculating Average Acceleration for Changing Velocity and Direction
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Undergrad Fundamental matrix vs Wronskian
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Undergrad General Question About a System of DE's
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Graduate Can Euler Forward or 4th Order Runge-Kutta Methods Approximate Systems of ODEs?
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MHB How to Integrate and Compare Solutions for a Partial Differential System?
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Graduate Green's functions for translationally invariant systems
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MHB Linear differential equation of first order in EXP(C)
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Graduate How do you work out wave envelopes and asymmetries?
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Graduate Bellman Equation, Dynamic Programming, state vs control
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Graduate Understanding Well-Posed Differential Equations: Tips and Techniques
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Undergrad Linear vs nonlinear diff equation II
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Undergrad Find Particular Solution for x = 120 cos 6t
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Undergrad Determining the value of a constant
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High School Linear vs nonlinear diff equation
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MHB Existence of solution of a linear differential equation
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Graduate Finite differencing on non-uniform grids
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MHB Learning Lagrange Mesh Method for 1D Schrödinger Eqtn.
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Graduate Finite difference method to solve first-order, multivariable
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MHB Solving a Boundary Value Problem: Non-Uniform vs. Uniform Partitioning
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Undergrad Solving ODEs with Heun's Method: A Question
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Graduate Matrix-free iteration methods and implicit ODE solvers
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MHB Partial Differntial problem Cauchy
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MHB Reduction of linear or non linear equation to first order.problem
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MHB Please help me solve this differential equation for the initial condition (0,-1)
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Graduate How Does Changing the Right-Hand Side of the Matrix Affect the ODE Solution?
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MHB How to Make $y(x^3e^{xy}-y) \, dx+x(xy+x^3e^{xy}) \, dy=0$ Exact?
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MHB Solve Periodic Problem: Find Function $u \in C^2(\mathbb{R})$
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Undergrad How boundary conditions help in finding integration constant
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Graduate Why Does Increasing Final Run Time Cause Divergence in Finite Differencing?
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Graduate Two-Phase Darcy Flow: Modeling & Solving
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Graduate Exact Linear Second-Order Equations
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Graduate System of Implicit Non-Linear First Order ODEs
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MHB Solve Cauchy Problem: Help Needed with Separate Variable Method
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Graduate Reduction of 2nd order PDE to a first order equations system
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MHB Grothendieck Problem: Solving $(*)$ Algebraically
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Undergrad Very basic Q about solns to y" = y
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Graduate Solve Differential Equation with Euler's Method
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MHB How is Rodrigue's Formula Derived?
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Graduate How Do Initial Conditions Affect Damping in a Mass-Spring-Damper System?
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Graduate X''(t) required for reciprocal of X'(t) to be constant
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MHB General solution to 2nd order....
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MHB Integrating Factor: Solve x ln(x) dy/dx = xe^x
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Graduate Sturm-Liouville operator, operating on what?
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Graduate Q about Poisson eqn w/ Neumann boundary conditions as in Jackson
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Graduate System of ODE - comparison with paper
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Undergrad Why Is a Particular Solution Necessary in Differential Equations?
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MHB Classifying Equation 1: Linear, Semilinear or Quasilinear?
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MHB Solving DE using Frobenius series method
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Graduate Is pertubation a linear operation?
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Graduate Physical interpretation for system of ODE
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Graduate Does a Submanifold Correspond to the Center Manifold?
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MHB Putting it all together: The Deuteron
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Graduate Series Solution of Differential Equations - Real or Fake?
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MHB Q(x)=0 special case self-adjoint eqtns
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Undergrad Violating intial conditions: ODEs
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MHB Why is there a * in the 2nd integral for self-adjoint ODEs?
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Undergrad What is the relationship between eigenvalues and eigenvectors in 3x3 matrices?
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MHB Bernoulli Equation Checking the solution
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MHB What is the Initial Population of Bacteria in a Culture?
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Undergrad If Dy/Dx=5, Dr/D(theta)= 18, and y=40, find theta.
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Graduate How Do You Calculate Position, Velocity, and Acceleration from d(x)/d(t) = c/x?
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Graduate Finite Difference Method for non-square grid
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Graduate Approximating solutions on non-rectangular domains
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