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 How many boundary conditions should I have for a 2-D transient pde?
- bzz77
- · Replies 1 ·
Graduate Can someone explain this to me please?
- AdrianZ
- · Replies 4 ·
Undergrad What kind of differential equation is this
- fishingspree2
- · Replies 4 ·
Undergrad Solving the Differential Equation for Harmonic Oscillations
- PeetPb
- · Replies 4 ·
Graduate NS Millennium Problem: Uniqueness & Solutions Explained
- myshadow
- · Replies 2 ·
Undergrad Why Are u and v Functions Zero in VOP for Homogeneous 2nd Order Equations?
- lonewolf219
- · Replies 1 ·
Graduate Movement with sine acceleration
- yaqwsx
- · Replies 2 ·
Undergrad Undetermined Coefficients - Duplication Question
- VitaX
- · Replies 11 ·
Graduate Logarithmic differential equation
- muppet
- · Replies 1 ·
Graduate Obtain distance versus time from a speed vs distance plot.
- lostidentity
- · Replies 2 ·
Undergrad How to Solve the Differential Equation (x^2 - 1)y' + 2xy = x?
- josek6
- · Replies 6 ·
Graduate Partial Differential Equations at university
- Josecanto
- · Replies 1 ·
Undergrad 4th Order Variation of Parameters
- VitaX
- · Replies 5 ·
Undergrad Is this a non linear integral equation ?
- arslan894
- · Replies 1 ·
Undergrad Why is general solution of homogeneous equation linear
- lonewolf219
- · Replies 4 ·
Graduate Looking for Nonlinear 2nd Order DE with Known Solution?
- elegysix
- · Replies 1 ·
Graduate Translating (Transforming) a recursive function
- fred4321
- · Replies 2 ·
Graduate How to Modelize Column Buckling with Coupled Differential Equations?
- tdcaupv
- · Replies 10 ·
Graduate Factorial question in a power series solution
- elegysix
- · Replies 2 ·
Graduate Question re: Schrodinger's equation
- SteveM19
- · Replies 1 ·
Undergrad Finding Limits of F(x) as x Approaches 64 and 0
- Redoctober
- · Replies 2 ·
Graduate Help: analytical of 2nd order PDE
- pangyatou
- · Replies 1 ·
Graduate A challenging ODE question: find an integrating factor
- AdrianZ
- · Replies 3 ·
Graduate Bounded Second Order Differential Equations
- desbro05
- · Replies 4 ·
Undergrad What to use when reverse chain rule doesnt work?
- highc1157
- · Replies 1 ·
Graduate Should I Scale My Boundary Condition Values for Problem Where I Scaled Interior?
- bzz77
- · Replies 2 ·
Graduate ODE System with Variable Coefficients
- yashar
- · Replies 3 ·
Graduate Solve using Undetermined Coefficients
- VitaX
- · Replies 4 ·
Undergrad Trouble creating differential equation from a flow line
- highc1157
- · Replies 1 ·
Graduate Numerical Integration for Cylindrical Domain with C2 Function and Point Data
- Dazedandconfu
- · Replies 2 ·
Undergrad Can't figure out how to solve a diffrential equation
- johnt447
- · Replies 4 ·
Graduate Exact solution of a 4th order DE
- DarkLord777
- · Replies 6 ·
Graduate Help in Mathematica code for solutions expansion of differential equations
- jadyliber
- · Replies 9 ·
Undergrad Problem with an Undamped Forced Motion
- mgier001
- · Replies 4 ·
Graduate Using Partial Derivatives to check B-S Equation holds and find constants
- robot1000
- · Replies 1 ·
Undergrad I have a Wronskian Question?If the Wronskian W of f and g is t^2*e^t
- roymkim
- · Replies 3 ·
Undergrad How can I solve this first order DE with initial value y(0)=3^(1/2)/2?
- Eastonc2
- · Replies 1 ·
Undergrad New to Forum: Proving f(n+3) -3f(n+2) + 3f(n+1)-f(n) = 0
- Fabio010
- · Replies 3 ·
Graduate Solve Non-Linear DEs w/ Many Consts Using Mathematica
- IWhitematter
- · Replies 1 ·
Graduate What is the Correct Way to Take the Inverse Laplace Transform?
- ralqs
- · Replies 1 ·
Graduate Solving 2nd Order ODE: du/ds & k^2
- lavinia
- · Replies 3 ·
Graduate Solutions to Cubic equation that dont diverge when reduced to linear equation
- phil ess
- · Replies 1 ·
Undergrad Differential- integral factor by inspection
- Nickclark
- · Replies 1 ·
Graduate Is the Relationship Between Natural Log and Partial Derivatives in PDE Valid?
- Hypatio
- · Replies 2 ·
Graduate General equation for change of variable in a differential equation
- silmaril89
- · Replies 4 ·
Undergrad Non-homogeneous 2nd degree differentials, simplification issues
- Tom_Snake
- · Replies 1 ·
Undergrad Matrix equation: Ax=b; can A coefficients be negative? Or could this be error?
- bzz77
- · Replies 1 ·
Undergrad First order differential equation
- Xenith
- · Replies 2 ·
Undergrad How much math is needed before taking ODE?
- riaudo
- · Replies 9 ·
Graduate Classification of fixed points of N-dimensional linear dynamical system?
- TokenMonkey
- · Replies 4 ·
Undergrad Two general questions about differential equations.
- AdrianZ
- · Replies 3 ·
Undergrad How Does One Compute the Derivative of a Convex Quadratic Function?
- justin_huang
- · Replies 1 ·
Graduate Solving a Simple PDE: Need Assistance!
- Aidyan
- · Replies 3 ·
Graduate Matrix equation, solving for x(t)
- exidez
- · Replies 1 ·
Graduate Solving Coupled PDEs: A Comprehensive Guide
- Hazmitaz
- · Replies 1 ·
Graduate How Does the Differential df Relate to Function Approximation?
- ck00
- · Replies 6 ·
Undergrad Family of Curves w/ Slope=1 at (1,1) - Can You Answer?
- gikiian
- · Replies 1 ·
Graduate Are We Missing Solutions in First Order Non-linear PDEs?
- Anamitra
- · Replies 18 ·
Undergrad Graph and Differential equations for hyperbolas
- shayaan_musta
- · Replies 7 ·
Undergrad Preparing for Intro PDEs: What Topics from Calc III Are Essential?
- anonymity
- · Replies 1 ·
Graduate Integrating Swallowtail Catastrophe Theory & Population Dynamic Equation
- zhouyang
- · Replies 6 ·
High School Importance of adding the constant of integration.
- shayaan_musta
- · Replies 8 ·
Graduate Reproducing Optimal Cost in Linear Quadratic Regulator Problem
- matematikawan
- · Replies 7 ·
Graduate Where Did the R's Come From in the Transport Phenomenon Problem?
- buchi
- · Replies 1 ·
Undergrad Solving Separable Equations - Get Help Now
- roymkim
- · Replies 4 ·
Graduate Intuitively d'Alembert's solution to 1D wave equation
- ralqs
- · Replies 1 ·
Undergrad Help with plotting vector fields
- smithnya
- · Replies 1 ·
Graduate Laplace's Equation,Boundary Conditions Etc.
- Anamitra
- · Replies 1 ·
Graduate Why Is y''(a) Determined by y(a) and y'(a) in a Differential Equation?
- AndreaA
- · Replies 3 ·
Graduate Definition of variable coefficients in linear differential equations
- tiredryan
- · Replies 4 ·
Undergrad Numerical Integration of Equation
- strokebow
- · Replies 2 ·
Undergrad Question about independance of functions and wronskian
- wown
- · Replies 8 ·
Graduate Writing PDEs as differential equations on Hilbert space
- agahlawa
- · Replies 2 ·
Graduate 1st order PDE, quadratic in derivatives, two variables analytic solution?
- Syntheta
- · Replies 4 ·
Graduate Laplace Transform: Learn Eberhard Zeidler's Definition
- Jimmy Snyder
- · Replies 19 ·
Undergrad Explinations needed, second degree linear equations with a constant
- C.S
- · Replies 10 ·
Undergrad About the exponential function of series
- opeth_35
- · Replies 1 ·
Undergrad Differential Equation Solution
- EngWiPy
- · Replies 1 ·
Graduate 3D Schrödinger Equation for a magnetic vector potential in cylinder coordinates
- crazy-phd
- · Replies 10 ·
Graduate What do you call a more general boundary condition?
- Unrest
- · Replies 4 ·
Undergrad Reduction of order from 2nd to 1st
- Kirstyy
- · Replies 1 ·
Undergrad Problem with differential equation
- jacksonjs20
- · Replies 3 ·
Graduate Analysing Lotka and Volterra equation (ODE)
- yaya10
- · Replies 17 ·
Graduate Can substitution be used to solve this homogeneous DE?
- abrowaqas
- · Replies 1 ·
Graduate How Do You Solve a PDE Model Similar to the Heat Equation?
- stanley.st
- · Replies 1 ·
Undergrad Good Theory-Intensive Introductory Diff Eq Textbook
- catmunch
- · Replies 1 ·
Graduate Desperate trying to solve a simple Sturm-Liouville equation
- omyojj
- · Replies 1 ·
Undergrad How Can I Prove y'(t) = x(t) * h'(t) and y'(t) = x'(t) * h(t)?
- benfrankballi
- · Replies 1 ·
Graduate NonHomogeneous Second Order using Undetermined Coefficients
- Lucci
- · Replies 1 ·
Graduate Solving an equation that resembles exact equation
- AlonsoMcLaren
- · Replies 1 ·
Graduate Damped Harmonic Oscillator Equation: Sum of Solutions = Another Solution?
- ambellina
- · Replies 1 ·
Undergrad Engineering Applications of Bessel Functions
- shajith
- · Replies 1 ·
Graduate Why doesn't this diff eq. have two solutions?
- gsingh2011
- · Replies 1 ·
Undergrad What are the rules for initial value problems?
- bbb3
- · Replies 1 ·
Graduate Can PDEs be solved using ODEs in quantum mechanics?
- giova7_89
- · Replies 9 ·
Undergrad How to Solve cos(x+y)dy=dx Using Trigonometric Identities?
- abrowaqas
- · Replies 3 ·
Graduate Can you provide me with the formula for the 3D Fourier transform of 1/r?
- krishna mohan
- · Replies 2 ·
Undergrad Is this differential system of equations *coupled*?
- asgard
- · Replies 2 ·
Undergrad Can someone name this method testing DE's to be homogeneous
- tempneff
- · Replies 1 ·
Undergrad Clarification regarding the proper use of constant C.
- smithnya
- · Replies 4 ·