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 Diffusion through membrane, which boundary condition to implement?
- baseball1234
- · Replies 1 ·
Graduate How to derive the solution for potential flow around a circular cylinder
- meldraft
- · Replies 1 ·
High School Learn How to Solve Equations: Tips and Tricks for Accurate Results
- mit11
- · Replies 1 ·
Graduate Solving x with a*b*c^3, Pie^2, i & 16
- arslan894
- · Replies 1 ·
Undergrad Linear Differential Equation Help
- tylercollins
- · Replies 2 ·
Graduate From system of first-order to a single ODE
- rsq_a
- · Replies 5 ·
Graduate Suggestions for scheme to use to solve PDE numerically
- Chim
- · Replies 6 ·
Graduate Inverse laplace transform for unique diffusion type problem
- Groundwater
- · Replies 3 ·
Undergrad Derivation of 2nd divided difference
- roldy
- · Replies 3 ·
Graduate How to Solve Simultaneous Laplace Transforms?
- hurcw
- · Replies 6 ·
Graduate Finding Equation to Describe Graph of Perceived vs Real Angles
- PatternSeeker
- · Replies 4 ·
How can steady states be found for discrete models?
- Dustinsfl
- · Replies 13 ·
Transform Boundary Conditions w/ Diff. $g_{0}, g_{1}$
- Markov2
- · Replies 1 ·
Undergrad What is the Correct Way to Use the Integrating Factor Method for Proving an ODE?
- hurcw
- · Replies 10 ·
Prove Existence & Uniqueness for Diff. Eq. w/ Measurable Coeff. & RHS
- bkarpuz
- · Replies 4 ·
Solving Heat PDEs: Is There a Standard Procedure?
- Markov2
- · Replies 7 ·
Another PDE and boundary conditions
- Markov2
- · Replies 5 ·
Graduate ODE with a function of variable crazy equ
- anirudhnandan
- · Replies 4 ·
Graduate Solving the Non-Linear ODE: Seeking Help
- gizsim
- · Replies 3 ·
Graduate How Can I Solve This Complicated Bernoulli Equation?
- 1d20
- · Replies 8 ·
Graduate How to Solve a PDE in Spherical Coordinates Using Vector Spherical Harmonics?
- vibe3
- · Replies 3 ·
Undergrad Question about linear second order ODE solution coefficients
- meldraft
- · Replies 4 ·
Undergrad Help with ODE using an integrating factor
- hurcw
- · Replies 8 ·
Graduate ODE Approaching the expicit solution
- freestar
- · Replies 5 ·
Graduate Solve laplace's equation on semi infinite strip
- nathangrand
- · Replies 1 ·
Modeling Plankton Herbivory Dynamics
- Dustinsfl
- · Replies 11 ·
Graduate Numerical Solutions to Laplace's equation in a wedge
- Meurig
- · Replies 5 ·
Undergrad How Does the Alligator Population Change Over Time in a Swamp?
- saintdick
- · Replies 3 ·
Graduate Solving for Time in a Volume Flow Rate DE - Help Needed
- ryancalif
- · Replies 3 ·
Graduate Solve Navier Stokes Eq for Vo | Don't Get Prof's Answer
- cycling4life
- · Replies 1 ·
Graduate KdV Equation - Modelling Soliton
- quid
- · Replies 23 ·
Understanding Systems of DEs with Non-Zero $b(t)$
- madflame991
- · Replies 4 ·
Graduate Separable Equation - Notation Question w/ Infinitesimals
- neporuoydnim
- · Replies 1 ·
Could this nondimensionalized ODE reveal hysteresis through its steady states?
- Dustinsfl
- · Replies 6 ·
Solving a Heat Equation with $\sin \pi x$
- madflame991
- · Replies 2 ·
Graduate Can complex analysis be used to solve PDEs other than the Laplacian?
- meldraft
- · Replies 4 ·
Graduate Chain Rule & PDES: Solving ∂z/∂u
- Kork
- · Replies 1 ·
Undergrad How do you determine if a force field is conservative?
- animboy
- · Replies 7 ·
How was u_1 and u_2 star determined
- Dustinsfl
- · Replies 1 ·
Solving Separable Variables: Need Assistance!
- shorty1
- · Replies 6 ·
Graduate Finite Element and CFL condition for the heat equation
- pepgma
- · Replies 5 ·
Graduate Need help for solving a 2nd order nonlinear differential equation
- fkendoul
- · Replies 8 ·
What Are the Steady States of the Nondimensionalized DE System?
- Dustinsfl
- · Replies 2 ·
Graduate How to Solve this Second Order PDE with Fixed Boundaries in Y?
- phonic
- · Replies 1 ·
Solving First Order PDEs: Laplace, Fourier & Separation of Variables
- Markov2
- · Replies 1 ·
Solve Laplace Transform ODE: $\sin t, 0<t<\infty$
- Markov2
- · Replies 9 ·
Solve Bounded $u_t=u_xx$ Let $u_t=u_xx,\,t>0,\,x\in\mathbb R$
- Markov2
- · Replies 3 ·
Solution given by sum of functions on a PDE
- Markov2
- · Replies 1 ·
Solving Linear First Order ODEs: y' + p(x)y = q(x)
- Markov2
- · Replies 5 ·
Apply Fourier Transform to Solve t2u_t-u_x=g(x)
- Markov2
- · Replies 3 ·
Solving PDF by using Fourier transform
- Markov2
- · Replies 4 ·
Undergrad Using an integrating factor properly
- cameuth
- · Replies 1 ·
A few small questions about differential equations
- battleman13
- · Replies 8 ·
Graduate Analytical solution to the diffusion equation with variable diffusivity
- kezman2000
- · Replies 2 ·
Graduate Finding Solutions to a PDE System with Known Scalar Function
- vibe3
- · Replies 1 ·
Graduate Integrate dx/(1-x): Solve (2/3a)(1-(1-aW)^(3/2))
- cycling4life
- · Replies 1 ·
Graduate Differential equation/rational function
- nos
- · Replies 2 ·
Undergrad Where Did I Go Wrong in Solving This Initial Value Problem?
- cameuth
- · Replies 5 ·
Need help with transforming one PDE to another
- Kane1
- · Replies 4 ·
Graduate Help with nonlinear 1st order ODE
- X89codered89X
- · Replies 3 ·
Is My Solution to the First-Order Separable ODE Correct?
- ifeg
- · Replies 15 ·
Graduate Help for Heat Equation - Questions from Chen
- chenrim
- · Replies 1 ·
Undergrad Why Is the Solution to dy/dx = -x/y Expressed as y^2 + x^2 = c?
- fran1942
- · Replies 3 ·
Graduate Partial Fractions (Laplace Transform, complex roots)
- sandy.bridge
- · Replies 2 ·
Undergrad Solving an ODE: Methods and Confusion
- n00by
- · Replies 8 ·
Graduate Solving Implicit O.D.E: sin(y) + xy - x^3 = 2 | 2nd Order ODE Help
- AST3019
- · Replies 2 ·
Graduate How can I solve this tough integral equation for a dipole magnetic field?
- vibe3
- · Replies 5 ·
Undergrad How Do You Solve These Differential Equations Using Separation of Variables?
- fran1942
- · Replies 1 ·
Undergrad Differentials of Composite Functions
- LJoseph1227
- · Replies 2 ·
Undergrad First order non-separable linear deq's using an integration factor?
- QuarkCharmer
- · Replies 2 ·
Undergrad Chain rule for implicit differentiation
- Tuomo
- · Replies 2 ·
Graduate What Are the Commutators of Vector Operators?
- thecommexokid
- · Replies 4 ·
Graduate How to Solve the Mixed Partial Differential Equation Given Boundary Conditions?
- ArainGrass
- · Replies 1 ·
Graduate Heat Equation: Understand Propagation of Heat
- Clausius2
- · Replies 29 ·
Undergrad Chain rule and cylindrical coordinates
- cycling4life
- · Replies 1 ·
Graduate Where does the general solution for second order linear ODEs come from?
- sandy.bridge
- · Replies 2 ·
Graduate Causality and the inhomogeneous wave equation with a moving source
- nickthequick
- · Replies 1 ·
Graduate Linearize 2nd Order Diff Equations
- MstrGnrl
- · Replies 1 ·
Graduate General solution to differential equations
- dionysian
- · Replies 2 ·
Undergrad Help me learn to sketch phase portraits
- Ribbed
- · Replies 2 ·
Graduate Solving Differential Equations for Tank of Water and Salt
- sam_0017
- · Replies 4 ·
Graduate Using Change of Variable to Solve Transport Equation
- Stalker_VT
- · Replies 4 ·
Graduate How Do You Solve the PDE u_x + x u_y = u + x with Initial Condition u(x,0)=x^2?
- pde
- · Replies 3 ·
Graduate Picard method of succesive approximation
- matematikuvol
- · Replies 4 ·
Graduate Autonomous System Summation: What is the sum of X1 + X2 + ... to infinity?
- arentmuskets
- · Replies 5 ·
Graduate A pde question that contains fourier series
- bcyalcin
- · Replies 1 ·
Graduate Non Linear ODE whose solution is can be viewed as a cumulative distribution function
- Jeff.N
- · Replies 1 ·
Graduate Why Multiply Green Functions with Heaviside Step Function?
- matematikuvol
- · Replies 2 ·
Graduate Solving Homogenous Eq. with Initial Conditions: u(x)=\int^x_0 f(s)g(x,s)ds
- matematikuvol
- · Replies 3 ·
Graduate Harmonic oscillator with slight non-linearity
- groinsmash
- · Replies 1 ·
Undergrad Solving Finite Difference BVP with Thomas Algorithm
- all-black
- · Replies 3 ·
Graduate Solving y''+3iy'+y=cos(2t) with Undetermined Coefficients
- cragar
- · Replies 3 ·
Graduate A basic ODE where Runge Kutta doesn't work?
- h1a8
- · Replies 6 ·
Graduate Solving Simple PDEs for Beginners
- phonic
- · Replies 1 ·
Graduate Understanding Nonlinear Differential Equations in Classical Mechanics
- dm164
- · Replies 6 ·
Graduate Solving Navier-Stokes for Pressure in 1D
- stanley.st
- · Replies 6 ·
Graduate PDE Iteration with cross product
- Quakerbrat
- · Replies 1 ·
Undergrad Two phase decay equation solution
- sherif1980
- · Replies 1 ·
Graduate Solving transcendental equations with discontinuities
- wazzabi
- · Replies 1 ·
Graduate Lagrangian Mechanics and Differential Equations
- exmachina
- · Replies 2 ·