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 What is a lifting function and how is it used in fluid dynamics?
- Hoplite
- · Replies 2 ·
Graduate Solving a PDE: Simplifying Third Order Equation to Second Order Airy Equation
- ssatonreb
- · Replies 2 ·
Graduate Question about solving recurrences/difference equations
- homomorphism
- · Replies 4 ·
Graduate Laplace transform of a Taylor series expansion
- Mapes
- · Replies 2 ·
Graduate Nonlinear diff. eq. involving Besselfunction of first kind
- jensa
- · Replies 7 ·
Graduate Help with Legendre Differential equation
- zamoura
- · Replies 1 ·
Graduate How to handle the Dirac delta function as a boundary condition
- mathy_girl
- · Replies 5 ·
Graduate Is the Infinite Sum of Normal Modes a Valid Solution to PDEs?
- daudaudaudau
- · Replies 20 ·
Graduate Is Separation of Variables the Key to Solving Linear PDEs in Finance?
- captain
- · Replies 3 ·
Undergrad Having a hard time understanding Runge-Kutta integration method
- PCosmin89
- · Replies 6 ·
Undergrad Why does separation of variables work?
- Kaylee!
- · Replies 13 ·
Graduate Complex vector X, X=point in 3D phase space, X*X = 0.
- Spinnor
- · Replies 2 ·
Graduate Easy ODE to solve using frobenius method help?
- razoribbon
- · Replies 5 ·
Undergrad Is Your Differential Equation Solution Accurate?
- exportedhuman
- · Replies 6 ·
Undergrad What is the solution to finding the time when two objects collide in 2d space?
- adoado
- · Replies 1 ·
Graduate Calculate Asymptotic Potential at r->∞ for Nonlinear Diff. Eq.
- manjeet85
- · Replies 1 ·
Undergrad Second order differential equations and analog computers
- bitrex
- · Replies 2 ·
Graduate Understanding the manipulation of Laplacian
- h_cet
- · Replies 1 ·
Undergrad OLS regression - using an assumption as the proof?
- musicgold
- · Replies 7 ·
Graduate Change of dependent variable in a DE
- elarson89
- · Replies 1 ·
Graduate Determining a function by the properties it posesses
- okkvlt
- · Replies 1 ·
Graduate How Can I Modify My Equation to Become a Continuous-Time Function?
- sooyewguan
- · Replies 1 ·
Graduate What is needed to solve the Navier-Stokes equations' well-posedness problem?
- Winzer
- · Replies 4 ·
Undergrad Numerical integration of angular velocity
- glycerunnin
- · Replies 3 ·
Graduate Using WKB(J) method to obtain asymptotics for an elastic string?
- dev00790
- · Replies 10 ·
Graduate Order to create a temperature profile.
- mherna48
- · Replies 9 ·
Graduate Power series method of solving ODE
- femi
- · Replies 4 ·
Undergrad Undamped spring system, need help
- flipjack
- · Replies 2 ·
Graduate Solving Differential Equations with Laplace Transforms
- KFC
- · Replies 4 ·
Undergrad How can I find the values for B and C in a partial fractions equation?
- rusty009
- · Replies 2 ·
Undergrad When can I use separable solutions for PDE's?
- Winzer
- · Replies 2 ·
Graduate Uniqueness of PDE Solutions: Investigating the Heat Equation
- muzialis
- · Replies 2 ·
Graduate Solving the PDE for a Sphere in Vacuum: Temperature over Time
- MarkL
- · Replies 2 ·
Undergrad Finding the Root of a Transcendental Equation with Sinh
- Shukie
- · Replies 1 ·
Graduate Solving Asymptotic Matching for LaTeX Boundary Layer
- rsq_a
- · Replies 1 ·
Graduate How do I solve a 2nd order nonlinear ODE with specific boundary conditions?
- mathis314
- · Replies 1 ·
Graduate What type of integral equation is this and how can I solve it?
- muttley78
- · Replies 1 ·
Graduate What is the geodesic on a parabolic surface defined by z = A / (x^2 + y^2)?
- haytil
- · Replies 1 ·
Graduate Solution of Euler-Lagrange equation
- parton
- · Replies 6 ·
Graduate Differential equation similar to Legendre
- Physicslad78
- · Replies 2 ·
Undergrad First order homogenous DE with variable coefficient
- MrGandalf
- · Replies 2 ·
Graduate Solution of a Transport-type equation
- Set Abominae
- · Replies 7 ·
Graduate Laplace help on a DC transient RC circuit
- willow16v
- · Replies 1 ·
Graduate Help in Split step fourier method
- Johnbasko
- · Replies 1 ·
Graduate Sliding down a hill with no friction, non-constant incline
- okkvlt
- · Replies 7 ·
Graduate How to Simplify Equations Using Perturbation Method?
- KFC
- · Replies 1 ·
Undergrad Laplace equation only applies in limited regions ?
- UAR
- · Replies 3 ·
Graduate How Do You Calculate the Arc in Pseudo Arc-Length Continuation?
- HellRaiZer
- · Replies 4 ·
Graduate System of ODE's and direction field
- IniquiTrance
- · Replies 6 ·
Graduate Linear Differential Operator/Inner Product
- Akers
- · Replies 2 ·
Graduate Can Steady Solutions of ODEs Be Time-Independent with Small Perturbations?
- KFC
- · Replies 1 ·
Undergrad Solution of differential equation
- ssky
- · Replies 25 ·
Undergrad Can somebody solve this equation for y using ln or any other technique
- alextsipkis
- · Replies 8 ·
Graduate How can I find two linearly independent solutions for 4xy''+2y'+y=0?
- rapwaydown
- · Replies 8 ·
High School Calculating Coefficient of Friction with the 22/7 Formula
- -=Mad=-
- · Replies 2 ·
Graduate Monotonicity of the Line Function K on a 3D Space
- Asuralm
- · Replies 1 ·
Undergrad How is the solution for y[n+1] obtained using Euler's forward method?
- ChickenChakuro
- · Replies 2 ·
Graduate Reaction diffusion problem concentric spheres
- scg08
- · Replies 1 ·
Graduate Laplace's equation in spherical co-ords
- benabean
- · Replies 1 ·
Undergrad Comparing Numerical Methods for ODEs: Euler, Heun, and Runge-Kutta
- mamma_mia66
- · Replies 8 ·
Graduate Can't solve differential equation for atmosphere density
- steenreem
- · Replies 2 ·
Graduate Orthogonality Property of Hyperbolic functions ?
- avinashsahoo
- · Replies 2 ·
Graduate Confused about separation of variables for PDE
- jetforcegemin
- · Replies 2 ·
Graduate A tricky 2nd Oder ODE Problem,nonhomo delta=0 case
- whatababy
- · Replies 2 ·
Graduate Help with Inverse Laplace Transform
- nick_d_g
- · Replies 3 ·
Graduate Finding behaviour of ODE solutions without solving for them
- tun
- · Replies 2 ·
Undergrad Simple Harmonic Motion solution problem
- Matuku
- · Replies 2 ·
Graduate Solving Differential Equation xy'' - y' + 4x^3y = 0 with Self Adjoint Form
- revolution200
- · Replies 4 ·
Graduate Bessel Function First Kind: Can Someone Help with C and RK Method?
- salla2
- · Replies 5 ·
Graduate Solution to diffusion equation - different input
- Dave007
- · Replies 9 ·
Graduate A second ODE problem that bothers me a lot HELP
- whatababy
- · Replies 1 ·
Graduate Fundamental Solution of Laplace Equation 2d vs 3d
- starzero
- · Replies 2 ·
Graduate Why Use the Reflection Principle for Boundary Conditions in PDEs?
- Winzer
- · Replies 1 ·
Graduate Green's Formula for Laplace Eqaution : For any BC's ?
- avinashsahoo
- · Replies 1 ·
Graduate Solving a PDE Using Finite Difference Method
- kitz2
- · Replies 3 ·
Graduate Determining Legendre polynomials (Boas)
- benabean
- · Replies 1 ·
Graduate Frobenius Series: The Significance of Non-Zero First Terms
- IniquiTrance
- · Replies 3 ·
Graduate Is the Fourier Heat Equation's Speed of Propagation Infinite?
- matematikawan
- · Replies 2 ·
Graduate Beta-Plus Decay Process: Explaining at Nucleon & Quark Level
- carl
- · Replies 1 ·
Undergrad Laplace Transform Problem - Peacewise Functions
- bathtub2007
- · Replies 8 ·
Graduate How to solve 2nd order non-linear DE with exponential
- El Flea
- · Replies 1 ·
Graduate Solving Differential Equations Involving Vector Fields
- Savant13
- · Replies 2 ·
Graduate Proving the Airy Functional Equation: A Challenge in Complex Analysis
- MathematicalPhysicist
- · Replies 7 ·
Undergrad Help Needed Solving A-level Diff Eq Project w/ GPS Data
- Matt1991
- · Replies 3 ·
Graduate How to Estimate with a Computer program a 3rd order diff eq
- Philosophaie
- · Replies 10 ·
Graduate Splitting a second order PDE into a system of first order PDEs/ODEs
- nkinar
- · Replies 3 ·
Graduate How to Solve Sturm-Liouville Problems to Find Eigen Value and Eigenfunction?
- HansLee
- · Replies 2 ·
Graduate Derivation of Variation of Paramters
- blinktx411
- · Replies 1 ·
Graduate Insane differential equation help?
- itsthewoo
- · Replies 4 ·
Graduate Mastering PDEs: Solving the Non-Constant Coefficient d^2G/dxdy Equation
- toptrial
- · Replies 9 ·
Undergrad Differentiating natural logs and exponential functions?
- Mirth
- · Replies 11 ·
Graduate Solving ODEs w/ Frobenius Method: Q on b, c as Funcs of x
- Master J
- · Replies 3 ·
Undergrad Cannot figure out how to solve this differential equation
- cross652
- · Replies 4 ·
Graduate Notation issue: Grad with a vector subscript
- Hoplite
- · Replies 2 ·
Undergrad Solving Linear Differential Equations: A Beginner's Guide
- ImAnEngineer
- · Replies 3 ·
Graduate Heaviside function and Unit impulse (delta) help
- metiscus
- · Replies 1 ·
Graduate Solve Surds Using Laplace Transform
- yuri6996
- · Replies 2 ·
Graduate Differential Equation with loans and investments
- Advent72
- · Replies 5 ·
Graduate Calculus of Variations Euler-Lagrange Diff. Eq.
- avocadogirl
- · Replies 3 ·
Undergrad How Do I Find the Inverse Laplace Transform for These Functions?
- Patton84
- · Replies 5 ·