Join in expert discussion on differential equation topics like ODE and PDE. Differential equations are an equation involving derivatives of a function or functions.
Threads
Graduate How to Apply Runge-Kutta to a 2nd Order ODE?
- hsong9
- · Replies 3 ·
Graduate Why use Frobenius method when power series work near zero
- nonequilibrium
- · Replies 1 ·
Graduate Modeling this differential equation
- ramb
- · Replies 2 ·
Graduate Dirichlet's problem is ill posed
- pdegenius
- · Replies 1 ·
Graduate How to Find an Integrating Factor for an Inexact Differential Equation?
- heinerL
- · Replies 1 ·
Undergrad Laplace transform for system DFE
- wxrebecca
- · Replies 8 ·
Graduate How to Model Fish Population Dynamics Using First Order Differential Equations?
- HerpaDerp
- · Replies 1 ·
Graduate General solution to third order differential equation
- warfreak131
- · Replies 1 ·
Graduate 2nd order nonlinear differential equation
- fatimajan
- · Replies 20 ·
Graduate Solving Odd Elliptic Equation with Greens Functions
- hunt_mat
- · Replies 7 ·
Graduate Equation simplifies if a certain parameter is small
- Derivator
- · Replies 4 ·
Graduate How to solve this coupled nonlinear equation?
- blenx
- · Replies 1 ·
Graduate Method of Frobenius with exponential coefficients
- phil ess
- · Replies 1 ·
Graduate Solve Electrical Circuit Problem: Particular Solution
- palaszz
- · Replies 2 ·
Undergrad How can I solve a system of differential equations with a specific form?
- cesca
- · Replies 8 ·
Undergrad Can Euler's Method Solve y'=y/x with Initial Conditions?
- lydia_zhu
- · Replies 1 ·
Graduate First Order Differential Equation in Cylindrical Coordinates
- Auburnman
- · Replies 2 ·
Graduate Change of variables in Seocnd order ODES
- phil ess
- · Replies 1 ·
Graduate Finding the parabolic steady state of y'+1.85y=0.7t²
- Gspace
- · Replies 1 ·
Graduate Frobenius power series repeated roots
- John777
- · Replies 1 ·
Graduate Solving y"+9y=H(t-1) with Laplace Transform
- Fibonacci
- · Replies 1 ·
Graduate [Numerical] Euler Backward method
- Nick89
- · Replies 15 ·
Undergrad Whats a non-trivial linear combination of these functions?
- warfreak131
- · Replies 6 ·
Undergrad Can I substitute z = dy/dx and integrate both sides to get y = zx?
- John777
- · Replies 1 ·
Undergrad Can Differential Equations Be Used to Create Art?
- alexkiddo
- · Replies 1 ·
Undergrad How to prove the derivatives of powers?
- Owen-
- · Replies 7 ·
Graduate Finite difference terms for boundaries
- hunt_mat
- · Replies 0 ·
Graduate What is the meaning of LaPlace and Poisson's equation in English?
- yungman
- · Replies 3 ·
Undergrad These methods are widely used in both academic and real world applications.
- PumkinMonster
- · Replies 1 ·
Undergrad Simple Differential Equation: Finding General Solution for y'\cos(x) = \sin(2x)
- FeDeX_LaTeX
- · Replies 3 ·
Graduate Can Non-linear Systems be Solved Analytically?
- arnold4life
- · Replies 13 ·
Undergrad Solving Differential Equations: the Euler D.E. and Linear D.E.s
- Funzies
- · Replies 2 ·
Graduate Perturbation theory and asymptotics
- Juggler123
- · Replies 2 ·
Graduate Differential Algebra: Converting d(v+(dv/dr)dr)/dr
- tomyuey938
- · Replies 1 ·
Graduate Method of Images - Green's Function
- OliviaB
- · Replies 1 ·
Graduate Can the Non-Homogenous Heat Equation be Solved Using Eigenfunctions?
- JoernE
- · Replies 6 ·
Graduate Understanding Laplace transforms.
- Urmi Roy
- · Replies 21 ·
Graduate How do I choose s(x) when transforming a second-order ODE?
- gankutsuou7
- · Replies 1 ·
Undergrad How do you model a spring and damper in series?
- cstoos
- · Replies 1 ·
Graduate Finding differential equations and critical points in 2D systems
- vinverth
- · Replies 1 ·
Graduate Laplace Transforms (First Order DE with Initial Value)
- cas159
- · Replies 4 ·
Undergrad When is a simple assumption not so simple?
- ngm01
- · Replies 2 ·
Graduate Coupled ODE with missing connecting derivatives
- FrankST
- · Replies 4 ·
Graduate Asymptotic behaviour of bessel functions
- lavster
- · Replies 1 ·
Undergrad Integration bessel function (simple)
- lavster
- · Replies 2 ·
Undergrad Solve Differential Equations problem
- norrin rad
- · Replies 1 ·
Undergrad Solving dy/dx = (x² + y²)^(3/2)
- pociners
- · Replies 6 ·
Graduate Solving d³y/dx³ + d²y/dx² - dy/dx = 0
- 2rashmi1993
- · Replies 2 ·
Graduate Continuity of partial derivatives
- Shaybay92
- · Replies 1 ·
Undergrad Theoretical Question: how can complex solutions be allowed?
- nonequilibrium
- · Replies 1 ·
Graduate Solving a non-homogeneous ODE with Bessel functions?
- TheJCBand
- · Replies 1 ·
Graduate Existential Proof of a Unique Solution to a Set of Non-Linear Equations
- natski
- · Replies 3 ·
Graduate (y')^2+y^2=-2 why this equation has no general solution ?
- young_eng
- · Replies 4 ·
Graduate Linear Differential Equation: when x=x(y)
- rygza
- · Replies 3 ·
Undergrad ODE with no general solution and an ODE with multiple solution methods
- young_eng
- · Replies 11 ·
Graduate How Can I Evaluate Integrals Involving Hankel Functions?
- spainchaud
- · Replies 2 ·
Graduate Solving dy/dx = ay / (bx² + xy) with constants a and b
- all015
- · Replies 7 ·
Graduate Solving a mixed PDE with f(t)g(r) and a weighted derivative term
- matteo86bo
- · Replies 1 ·
Undergrad Solving ODE application problems
- srk999
- · Replies 1 ·
Undergrad Laplace Transform ODE Solving: y'' + 2y' + y = 0 with Initial Conditions
- IAmClifford
- · Replies 5 ·
Undergrad Intuitive understanding of convolution?
- filter54321
- · Replies 1 ·
Undergrad Handling dx/dt as an ordinary fraction?
- jafisika
- · Replies 6 ·
Graduate Non-linear Differential Equation - Pulling my Hair
- jkent
- · Replies 4 ·
Undergrad Analytically Solving a Differential Equation with Constants a, b, and c
- fatimajan
- · Replies 8 ·
Graduate Can someone tell me exactly where my simple logic breaks down? (infinity \neq 1)
- nonequilibrium
- · Replies 10 ·
Graduate Understanding Bifurcation Points in the Function dy/dt = y^3 + ay^2
- sammycaps
- · Replies 1 ·
Graduate Solving ODE with Neumann Boundary: Finite Differences Method
- dinaharchery
- · Replies 1 ·
Undergrad Why is the right side called the input?
- maxbashi
- · Replies 2 ·
Graduate No Constant Solution => No periodic solution
- cacosomoza
- · Replies 1 ·
Graduate Mathematica: 2nd order PDE variable coefficients
- hasidim
- · Replies 1 ·
Graduate Understanding and Solving ODEs with Inhomogeneous Boundary Conditions
- StewartHolmes
- · Replies 1 ·
Graduate First order linear equation with unsolvable integral and non-linear equation
- Xyius
- · Replies 4 ·
Graduate Flicks diffusion equation - metabolism rate
- gladerider
- · Replies 1 ·
Undergrad Solve Recursion Equation: f(x)=-f(x-1)+g(x)
- Marth361
- · Replies 3 ·
Graduate Solving the simples Partial Differential Equations
- theneedtoknow
- · Replies 1 ·
Graduate Two coupled Sturm-Liouville Eigenvalue Problems in 2-D
- Urkel
- · Replies 2 ·
Graduate Laplace transform physical meaning
- psmitty
- · Replies 1 ·
Undergrad Solve Equation of Motion for Spring Damper System
- 14850842
- · Replies 3 ·
Graduate General Method of Characteristics Problem
- ZachN
- · Replies 4 ·
Undergrad Finding the degree of a deferential equation
- cindrilla
- · Replies 19 ·
Graduate Maximum principle for Delta u >0
- loesung
- · Replies 2 ·
High School What is the difference between Δx and dx in differential calculus?
- yuiop
- · Replies 7 ·
Undergrad Which type differential equation is this?
- Susanne217
- · Replies 7 ·
Graduate I am pissed And Variation of parameters. who, what, when, where, why?
- dionysian
- · Replies 16 ·
Graduate Differential equation reducible to Bessel's Equation
- joel19
- · Replies 9 ·
Graduate Exact solution to advection equation in spherical coordinates
- lostidentity
- · Replies 1 ·
Graduate Is the square of Heaviside function equal to Heaviside?
- snooper007
- · Replies 11 ·
Undergrad Finding Eigenvalues for u''+λu=0
- beetle2
- · Replies 1 ·
Graduate Green's function for fourth-order Helmholtz-like equation
- DrJekyll
- · Replies 6 ·
Graduate Mathematica and Variation of Parameters
- jaseh86
- · Replies 5 ·
Undergrad Can't remember how to do this simple definite integral
- astonmartin
- · Replies 2 ·
Graduate D'Alambert Equation: Solving for $\psi(\vec{r},t)$
- Petar Mali
- · Replies 4 ·
Graduate Nonlinear Elasticity: Calculating Internal Forces
- hnemati2000
- · Replies 1 ·
Graduate Sturm-Liouville Like Equation with Boundary Conditions on Second Derivative
- Nikratio
- · Replies 3 ·
Undergrad How do you explain this, Equation?
- sl02ggp
- · Replies 3 ·
Graduate Why Might My Exact Equation Solution Be Incorrect?
- renathy
- · Replies 2 ·
Graduate General Solution to Linear, Homogenius, Second-Order Differential Equation
- nivekious
- · Replies 3 ·
Undergrad Why Do We Use Integrating Factors in Solving First Order Linear ODEs?
- Saladsamurai
- · Replies 4 ·
Undergrad Solving (x²)y' + 2xy = 5y⁴ with substitution
- g.sharm89
- · Replies 2 ·
Graduate Ordinary Differential Equations class
- Jonnyb42
- · Replies 6 ·