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
Undergrad Converting Second Order ODE to Hypergeometric Function
- thatboi
- · Replies 7 ·
Graduate Derivation of Momentum Equation (Eulers Equation)
- aeroboyo
- · Replies 2 ·
Graduate FEM basis polynomial order and the differential equation order
- chowdhury
- · Replies 1 ·
Graduate Solving Coupled First Order ODEs: Is There a Closed Form Solution?
- thatboi
- · Replies 28 ·
Projectiles Problem: Time to Hit Ground from 45m
- omartharwat
- · Replies 2 ·
Oil Spill - Differential Equations
- echianne
- · Replies 4 ·
How to prove that the Euler-Bernoulli equation is hyperbolic
- mathematix89
- · Replies 10 ·
Partially Decoupled System with 3 variables
- Omzyma
- · Replies 4 ·
Graduate Wave direction and speed of propagation
- kasnay
- · Replies 12 ·
Solve DE: Reviewing Problems Before Classes Start
- karush
- · Replies 3 ·
Graduate Why don't we multiply generalized functions?
- wrobel
- · Replies 2 ·
Undergrad Solving 2D Heat Equation w/ FEM & Galerkin Method
- bob012345
- · Replies 7 ·
B.2.2.2 solve DE ....separate variables
- karush
- · Replies 6 ·
Graduate How can I interpret the 2D advection equation?
- jones1234
- · Replies 6 ·
Undergrad Label propagation equation: what are the terms?
- Master1022
- · Replies 3 ·
Undergrad FEM 2D Node Equations: Setting Up & Examples
- bob012345
- · Replies 9 ·
Insights The Amazing Relationship Between Integration And Euler’s Number
- fresh_42
- · Replies 1 ·
Graduate Can a Scalar Equation Be Transformed into Lagrangian Form?
- wrobel
- · Replies 8 ·
Undergrad Looking for what this type of PDE is generally called
- masaakim
- · Replies 1 ·
Graduate Finite difference scheme for y'(t)=a*y(t)
- feynman1
- · Replies 11 ·
Graduate Crank-Nicholson method for spherical diffusion
- hunt_mat
- · Replies 2 ·
Graduate Can the Cauchy-Kovalewskaya Theorem Predict Solution Existence in All Cases?
- wrobel
- · Replies 0 ·
Application of Linear differential equation in solving problems
- Help_me1
- · Replies 4 ·
Graduate Green's function for Stokes equation
- steve1763
- · Replies 1 ·
Graduate Green's function for Sturm-Louiville ODE
- member 428835
- · Replies 3 ·
Graduate Residual of PDEs as convergence criteria of numerical solution
- feynman1
- · Replies 9 ·
Graduate How Large is the Residual Error in FEA Solutions of PDEs?
- feynman1
- · Replies 12 ·
Undergrad Crank Nicolson method to solve a PDE
- hanabachi
- · Replies 23 ·
Undergrad FEM Method for the Wave Equation
- bob012345
- · Replies 3 ·
Undergrad Limit cycles, differential equations and Bendixson's criterion
- Vini
- · Replies 1 ·
Undergrad Inverting an Equation Containing Elliptic Integrals
- diegogarcia
- · Replies 1 ·
Graduate Help with understanding why limit implies uniqueness
- MathStudent999
- · Replies 1 ·
Undergrad Separation of Variables, but not equal to constant
- Foracle
- · Replies 3 ·
Undergrad Laplace transform of a simple equation (Simple question)
- LagrangeEuler
- · Replies 4 ·
Graduate Dynamic Systems: Poincaré-Bendixson Theorem finite # of equilibria
- Master1022
- · Replies 4 ·
Undergrad Integral-form change of variable in differential equation
- Jaime_mc2
- · Replies 1 ·
Graduate Solving Laplace's equation in polar coordinates for specific boundary conditions
- Stefan H
- · Replies 3 ·
Graduate Why do the Navier-Stokes equations give us non-existent results for 3D flow?
- Jurgen M
- · Replies 9 ·
Graduate Laplace transform of derivatives
- LagrangeEuler
- · Replies 6 ·
Graduate Existence of unique solutions to a first order ODE on this interval
- thidmir
- · Replies 2 ·
Undergrad Problem with integrating the differential equation more than once
- LagrangeEuler
- · Replies 1 ·
Undergrad Non-Homogeneous Robin Boundary conditions and Interpretations of Signs
- ConicalDrupe
- · Replies 2 ·
Graduate Solving nonlinear singular differential equations
- wasi-uz-zaman
- · Replies 3 ·
Graduate When do we need to consider the homogeneous solution?
- LCSphysicist
- · Replies 2 ·
Undergrad Can FDM solve any type of PDE same as FEM?
- zoltrix
- · Replies 13 ·
Undergrad Convergence of this Laplace transformation
- lukka98
- · Replies 3 ·
First order differential equations
- Bat1
- · Replies 1 ·
Undergrad Find the center manifold of a 2D system with double zero eigenvalues
- NicolaiTheDane
- · Replies 4 ·
Graduate Dissipative and dispersive derivatives
- feynman1
- · Replies 19 ·
Graduate Can the Solution of a Heat Equation Only Get Smoother as Time Increases?
- feynman1
- · Replies 10 ·
Undergrad Why Is a Differential Equation Called Nonlinear?
- wasi-uz-zaman
- · Replies 3 ·
Undergrad An equation invariant under change of variable
- Kashmir
- · Replies 21 ·
How Do You Write a PDE in Terms of x and y?
- Carla1985
- · Replies 3 ·
Undergrad PDEs greater than order 2 with real world applications?
- BWV
- · Replies 2 ·
-b.1.3.17 y''+y'-6y=0 Find values of r of the form y = e^{rt}
- karush
- · Replies 3 ·
-b.1.1.4 directional field as t \to \infny
- karush
- · Replies 2 ·
Graduate How to solve simple 2D space-time PDE numerically
- tworitdash
- · Replies 5 ·
Undergrad How to determine if x(t) is a solution to a system x'(t)=f(x)
- NicolaiTheDane
- · Replies 1 ·
Why Choose This Function for Solving PDEs?
- evinda
- · Replies 2 ·
Undergrad Why can the i be dropped when defining the new constant B?
- Trying2Learn
- · Replies 12 ·
-b.1.3.12 .... is a solution of the DE
- karush
- · Replies 3 ·
-b.2.7.2 Euler's method y'=3+y-y y(0) =1
- karush
- · Replies 9 ·
Undergrad Understanding relationship between heat equation & Green's function
- lriuui0x0
- · Replies 6 ·
How to Solve Differential Equation with Separate Variables?
- karush
- · Replies 10 ·
What is the maximum distance of P from point O during the motion?
- Shah 72
- · Replies 10 ·
Undergrad Finite difference scheme for u'=u^2, u0=1, 0<t<2
- feynman1
- · Replies 8 ·
-t1.13 IVP \frac{ds}{dt}&=12t(3t^2-1)^3 ,s(1)=3\
- karush
- · Replies 2 ·
B.2.2.16 IVP of \dfrac{x(x^2+1)}{4y^3}, y(0)=-\dfrac{1}{\sqrt{2}}
- karush
- · Replies 6 ·
Solve Differential Eq: xe^-1/(k+e^-1) for x, k, t
- Shah 72
- · Replies 2 ·
-2.1.1 DE Find the general solution
- karush
- · Replies 5 ·
Undergrad General solution of heat equation?
- lriuui0x0
- · Replies 3 ·
What is the integrating factor for solving this IVP?
- karush
- · Replies 5 ·
Is the given function a solution of the differential equation?
- karush
- · Replies 3 ·
Undergrad Solve second order linear differential equation
- lriuui0x0
- · Replies 7 ·
2.1.2 Find the general solution of y'−2y=t^{2}e^{2t}
- karush
- · Replies 4 ·
Undergrad Conservation of finite difference for vibration equations
- feynman1
- · Replies 2 ·
-2.2.35 Show that dy/dx=(x+3y)/(x-y) is homogeneous. and....
- karush
- · Replies 2 ·
High School Difference between a continuously differentiable function and a wave
- redtree
- · Replies 11 ·
Undergrad What is the Definition of the Delta Function?
- Leo Liu
- · Replies 5 ·
When Will the Object Be 15 Meters Above the Ground?
- karush
- · Replies 4 ·
High School Basic Idea of Differential Equations
- NoahsArk
- · Replies 25 ·
Graduate Local truncation error from Taylor/Variable timestep
- maistral
- · Replies 2 ·
Graduate Backward Euler technique vs. periodic function: Damping out?
- maistral
- · Replies 7 ·
Solving an ODE: Seeking c so y'(0)=0
- mariask
- · Replies 2 ·
Momentum Change in Hockey Ball: Mass 0.2kg, Speed 8m/s to 5m/s
- Shah 72
- · Replies 5 ·
Graduate Starting BDF iterations - suggestions?
- maistral
- · Replies 5 ·
Mechanics- General motion in a straight line.
- Shah 72
- · Replies 4 ·
Inverse laplace transform pf infinite product
- Maszenka
- · Replies 1 ·
Undergrad Understanding the Laplace Transform of cos(t)/t
- arestes
- · Replies 7 ·
Undergrad Fredholm's alternative & L2 convergence
- eousseu
- · Replies 2 ·
Undergrad How do I solve this first order second degree differential equation?
- alan123hk
- · Replies 7 ·
Undergrad Rodrigues' Formula for Laguerre equation
- appmathstudent
- · Replies 3 ·
B.2.1.4 trig w/ integrating factor
- karush
- · Replies 1 ·
Solving $\dfrac{dy}{dt}=y-5$, $y(0)=y_0$
- karush
- · Replies 6 ·
Undergrad Series Solution for 2nd-Order Homogeneous ODE
- rghurst
- · Replies 4 ·
Undergrad How to solve this second order differential equation
- Safinaz
- · Replies 10 ·
B.1.2.3 Find the equilibrium solution and....
- karush
- · Replies 2 ·
Solving IVP $y''-y=0$ with $y_1,y_2$
- karush
- · Replies 5 ·
What are the values of r for this differential equation?
- karush
- · Replies 5 ·
Graduate Phase Portraits of a system of differential equations
- AHSAN MUJTABA
- · Replies 1 ·