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 Proving $\int_{\mathbb{R}^3}\Delta G(x,y)dx=1$ with Gauss's Theorem
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Graduate Characteristic equation for recurrence equation
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MHB Put the 2D nonlinear system into Polar Coordinates
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Undergrad Differentiating an exponential with a complex exponent
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Graduate How to graph the duffing frequency response
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Graduate Equations with dependent variable missing
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Graduate Solution for f(n) in recurrence equation
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Graduate Is There a Rigorous Method to Regularize Green's Functions in Coordinate Space?
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Graduate Differential equation help
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Graduate A question on Laplace transform
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Graduate Solve Difference Equation: ΔP = e^P
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Undergrad Why is differential equation equal to sum of partials?
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Undergrad Investigating the Behavior of a Diff. Eq. w/ Constant K & W
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Undergrad Attempting to model traffic flow after front car decelerates
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Graduate Basic question about certain second order PDE's
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Graduate Am I expanding e^ix incorrectly?
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Graduate What are the limitations of using electrical circuits to solve PDEs?
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Graduate Question about multiple functions for a first order ODE
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Undergrad Classifying second-order Partial differential equations
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Graduate Vertical diffusion in EPIC GCM
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Graduate Solving Diff Eqns: Renaming Constants & Reversing Signs
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MHB Initial vertical velocity (vertical motion)
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Undergrad Solving dy/dt = 0: Chain Rule & y(t)
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MHB Creating a 4D System with a Specific Solution: How Can It Be Done?
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Graduate Wronskian and two solutions being independent
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Graduate Solving First-Order PDE: Explaining Basics
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Graduate Is the Half Step Scheme Truly TVD? Help Needed to Prove It
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Undergrad Differentiatial equation
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MHB Solving Second Order ODE: True or False?
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MHB Solving Homogeneous ODE: $\displaystyle x(y-3x)\frac{dy}{dx}=2y^2-9xy+8x^2$
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Undergrad How do you actually calculate this....?
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Graduate Variation of parameters - i have different particular soluti
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MHB Logarithm + Nepper's number Exercise
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Graduate Brainstorm Ideas for Project - Get Suggestions on Differential Equations
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Graduate Special Second Order Ordinary Diff. Equation
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Undergrad Why differential equations? When to use them?
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MHB What is the mistake in this supposed proof?
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Undergrad Equation for underdamped harmonic motion
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MHB How do we get the imaginary part?
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Undergrad A solved 2nd order ODE that i don't understand its solution
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Graduate Does Integration Scheme Choice Matter for Initial Demo of Crane Control?
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Graduate Green's function in elliptic box
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Graduate Solving the 3D Diffusion Equation with Fourier Spectral Techniques
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Undergrad Why 2nd order differential equation has two solutions
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Graduate Need help understanding an aspect of undetermined coeff's
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Graduate Transfer function with non zero initial conditions
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Graduate Fitting data to complicated model
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Graduate Numerical solution of non-linear diffusion equation
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MHB How do I apply the Frobenius method to solve Hermite's ODE?
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Graduate Axial/Longitudinal Vibrations in beams
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Graduate Quick question about method of Frobenius
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MHB How do we deduce that there is such a point?
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Undergrad What are differential equations good for?
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MHB How do you solve the Euler ODE $x^2y'' + xy' - n^2y = 0$ using $y=x^p$?
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MHB Find Ansatz for this ODE (3.5.15)
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MHB Please check this particular solution excercise
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Graduate Bungee jump -> differential equation -> simulink simulation
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MHB Help with ODE initial conditions
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MHB Find Solutions for Char. Eqtn. y'' + 2y' + 3y = 0 with y(0) = 0, y'(0) = 1
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MHB Please check Laguerre's eqtn solution
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Graduate Do these two partial derivatives equal each other?
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Graduate Taylor expansion with multi variables
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MHB Solving a Difficult DE with TI-NSPIRE: Is it True?
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Undergrad Need help interpreting the Wronskian
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Graduate Soln space basis for all constant coeff homo linear DE's?
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MHB Solve for $a^2$ in $u_{xx} = u_{tt}$ using $u_1$ and $u_2$
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Undergrad How do differential equations relate to traffic flow?
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Graduate Question on proper technique for solving this equation
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Undergrad First Order Differential Equation
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MHB Differential equation y/(x^2+y^2)
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MHB Solve the differential equation
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MHB Verifying Solution: U(x, y) = cos(x) cosh(y) for PDE U_xx + U_yy = 0
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Graduate Solving Second Order Linear Diff Eqns: Proving Theorems & More
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MHB -b.1.3.21-24 Order and linear or nonlinear
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Undergrad Understanding some unfamiliar words
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Graduate Why Must B Approach Zero in Cauchy-Euler ODE Solutions at x=0?
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Graduate A Holder space is a Banach space
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MHB Are There Complex Solutions for a 2nd Order ODE?
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MHB What are the different types and stabilities of critical points?
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MHB Higher power constant coefficiants ODEs
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MHB Finding Solutions for $y'=Ay$ with Vector and Matrix Components
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MHB Method of undetermined coefficients
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MHB How to Find a General Solution Using Variation of Parameters?
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Undergrad Can All Differential Equations Be Separated?
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MHB Approximating Equations for Unknowns: How to Justify the Form of $U_0$?
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MHB Solutions to Linear Diff. Eq. of 1st Order in a Ring?
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Insights Solving Nonhomogeneous Linear ODEs using Annihilators - Comments
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Undergrad Linear First-Order Differential Equation
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Graduate Solving a PDE w/ given boundary and initial conditions
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Graduate Failure to see the validity of an approximation to DiffEq.
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Graduate How Does Laplace Transform Solve the Harmonic Motion Differential Equation?
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MHB System of differential equations
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MHB Are Unique Solutions Possible for Homogeneous Equations?
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Graduate Finite-element solution of Sturm-Liouville problem
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MHB Fourier Transforms: Theory & Applications
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Undergrad How to Solve for s1 | Experts' Guide
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Graduate Find the approximate linear ODE system
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Graduate No Time Term in Elliptic PDEs? Confirm Here!
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Graduate Second order differential equation
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MHB Is the Laplace Transform Calculation Correct for a Given Function?
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