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 do we find Integrating factor for a General Diff equation
- himanshu121
- · Replies 6 ·
Undergrad Understanding Picard Iteration for Teens
- mathelord
- · Replies 2 ·
Graduate Q: pde heat eqn u(x,t) history effect \int^t_0 d^2u/dx^2
- chavo004
- · Replies 16 ·
Graduate How Do I Solve This Differential Equation for a Contagious Disease?
- kanki
- · Replies 10 ·
Graduate Coupled first order differential equations
- Rafique Mir
- · Replies 2 ·
Undergrad Solving Concentration Problem in Tank
- kanki
- · Replies 4 ·
Graduate How does the line integral method solve ODEs?
- saltydog
- · Replies 8 ·
High School Mixing Solutions: Problems & Solutions Explained
- TheLaughingMan
- · Replies 5 ·
Undergrad Auxiliary Equation with Imaginary Roots
- cronxeh
- · Replies 7 ·
Graduate Why Doesn't Reduction Order Work for This Differential Equation?
- EvLer
- · Replies 7 ·
Undergrad Application of partial derivatives
- WY
- · Replies 2 ·
Undergrad Understanding the Relationship between dv/dt and vdv/dx in Calculus
- Brewer
- · Replies 4 ·
Graduate A necessary condition for uniqueness
- saltydog
- · Replies 2 ·
Graduate What Are the Solutions for These Two Differential Equations?
- Orion1
- · Replies 6 ·
Undergrad Equilibrium Solutions in Natural Decay and Growth Equations
- RadiationX
- · Replies 3 ·
Graduate Laplace Operator: Spherical Coordinates
- IndustriaL
- · Replies 2 ·
Graduate Solving Chemical Reactions in Greenburg's Advanced Eng. Mathematics #8
- LabRat
- · Replies 9 ·
Undergrad Simple but i cant get it? Log derivative
- Struggling
- · Replies 9 ·
Graduate Uniqueness of Solutions for Laplace Initial Value Problems
- sssr
- · Replies 29 ·
Graduate Dimension of Soln Space of Heat Equation: Is It Infinite?
- matness
- · Replies 3 ·
Undergrad I need a little help attacking a problem
- arkssd
- · Replies 6 ·
Undergrad Understanding Derivatives of Exponential Functions
- Struggling
- · Replies 5 ·
Undergrad What Is a Bifurcation Diagram and How Do You Create One?
- Zurtex
- · Replies 3 ·
Undergrad What is the method for checking stability of finite differencing schemes?
- eckiller
- · Replies 4 ·
High School What Does Ordinary Mean in Ordinary Differential Equations?
- chandran
- · Replies 4 ·
Graduate Resonance pde wave equation u(\phi,t) involving lagrange polynomials
- chavo004
- · Replies 2 ·
Undergrad Modern trends in the numerical solution of differential equations
- mooberrymarz
- · Replies 4 ·
Graduate Solving Laplace Transform of sin[3t] ( h[t - pi/2] - h[t] )
- splitendz
- · Replies 16 ·
Undergrad Understanding the Differential Equation y'=-Ae^{-t} and Its Solution - A Guide
- RadiationX
- · Replies 2 ·
Undergrad Is my charastic equation for y''-4y' +5y =0 correct?
- RadiationX
- · Replies 4 ·
Undergrad Find the Flight Time of a Dart Shot from 1.5m Above Ground | Derivative Question
- denafoster
- · Replies 11 ·
Graduate How can I solve a system of second order ODE's numerically?
- peterbone
- · Replies 4 ·
Undergrad Piecewise definition for a function
- jojo1
- · Replies 3 ·
Undergrad Method of undetermined coefficent
- vabamyyr
- · Replies 2 ·
Undergrad Homogeneous and particular solution
- gomez
- · Replies 7 ·
Undergrad Elementary differential equations
- GCT
- · Replies 12 ·
Undergrad Simple ODE, but how to approach?
- BlkDaemon
- · Replies 16 ·
Graduate What does the geodesic equation for a surface involve?
- kleinwolf
- · Replies 5 ·
Graduate Study Sturm-Liouville Eigenvalue Problems
- jwsiii
- · Replies 2 ·
Graduate How do I set up difference equations for intersecting ovals?
- morry
- · Replies 4 ·
Graduate How to Model a Two-Mass Pendulum System Using ODEs?
- mathgirl
- · Replies 2 ·
Undergrad What should be the particular solution?
- tony_engin
- · Replies 15 ·
Graduate How Do You Determine the Region of Absolute Stability for the Theta Method?
- eckiller
- · Replies 1 ·
Graduate Differential Equation: dv/dx Solution
- nishant
- · Replies 9 ·
Undergrad How do you solve for x when using the chain rule and functions with variables?
- cogs24
- · Replies 10 ·
Graduate Complex exponential (properties)
- gomez
- · Replies 7 ·
Undergrad Solving Linear First Order D.E. y' - y*tan[x] = 2sin[x]
- splitendz
- · Replies 3 ·
Undergrad Modeling Bacterial Growth with Differential Equations
- QuantumTheory
- · Replies 2 ·
Graduate How Do You Solve the Nonlinear System with Sensitive Initial Conditions?
- samsus
- · Replies 3 ·
Undergrad Understanding Fourier Series: Conceptual Explanation and Calculation Tips
- jwsiii
- · Replies 6 ·
Graduate Frobenius Method: Finding Solutions for x^2*y"-x*y'+(x^2+1)y=0
- jason17349
- · Replies 3 ·
Undergrad Help Needed: Differentiation in Maths - Find F(x) & t(x)
- VooDoo
- · Replies 5 ·
Undergrad Xn+1 = Xn(2 - NXn) can be used to find the reciprocal
- ryan750
- · Replies 4 ·
Undergrad Integral of (2x+5) (x^2-3) / x - Moshe
- nmoshe
- · Replies 2 ·
Undergrad Theorem of implicit functions help
- caz2bee
- · Replies 2 ·
Graduate Solution of Initial Value Problems, Laplace Transform
- cc2203
- · Replies 3 ·
Graduate What the hell is Green's third identity talking about?
- quasar987
- · Replies 2 ·
Undergrad Understanding the concept of laplace transformations
- slug
- · Replies 2 ·
Undergrad Need help compute the laplace transform
- slug
- · Replies 2 ·
Graduate Total derivative -> partial derivative
- Walkingman
- · Replies 6 ·
Undergrad Transforming a 1st Order PDE into a 2nd Order PDE: A Simple Example
- dvs77
- · Replies 6 ·
Graduate Is the solution to Laplace's equation harmonic over a path in space
- quasar987
- · Replies 1 ·
Graduate Differential Equations L^(-1) { (3s-4) / (s(s-4)) }
- winner2
- · Replies 5 ·
Graduate How to Determine Stability Intervals and Periodicity in Differential Equations?
- Tarhead
- · Replies 1 ·
Undergrad Solving Laplace Transform y''-6y'+13y=0 | Help Needed
- andrewdavid
- · Replies 5 ·
Undergrad Nonhomogeneous: Undetermined coefficients
- andrewdavid
- · Replies 5 ·
Graduate Revisiting Pendulum Dynamics - Tap to Re-oscillate
- saltydog
- · Replies 1 ·
Undergrad Practical application of partial,simple differential equation
- chandran
- · Replies 3 ·
Undergrad Dirac Delta Function: Understanding Laplace & Inverse Laplace Properties
- supersix2
- · Replies 10 ·
Graduate Can Constant Velocity be Solved with Separable ODEs?
- whozum
- · Replies 23 ·
Graduate Hermitian Operator: Is d^2/dx^2 Proven?
- PhysKid24
- · Replies 2 ·
Graduate How is the Step Change in Temperature Equation Derived?
- Dynamo
- · Replies 2 ·
Undergrad What are the steps for finding u1 and u2 in the variation of parameters method?
- Cafka
- · Replies 4 ·
Graduate Periodic Wave Solutions of the Wave Equation
- quasar987
- · Replies 5 ·
Graduate How do I use RungeKutta 4/shooting method for this problem?
- shaqychan
- · Replies 2 ·
Graduate How can I combine the solutions for u(t) and y(t) to find the solution for y(t)?
- eckiller
- · Replies 10 ·
Undergrad How to Determine a Differential Equation from a Given Solution?
- Naeem
- · Replies 9 ·
Graduate How to Solve the Third-Order Linear Homogeneous Differential Equation?
- skysurani
- · Replies 1 ·
Graduate Solving Diff Eq Homework: Population Problem
- meggs521
- · Replies 11 ·
Graduate Solving Difficult Wave Function Problems
- blaster
- · Replies 4 ·
Undergrad Cam -follower displacement as a time function
- chandran
- · Replies 12 ·
High School Substitution Methods for 1st Order Diff. Eqns - Help for Beginners
- eightlgddj
- · Replies 13 ·
Undergrad Need help finding solutions to Diff eq
- primus
- · Replies 4 ·
Graduate Finding Green's Function for Half Space Neumann Problem
- NYUmathgeek
- · Replies 2 ·
Graduate Parabolic Problems: Weak Formulation & Solution Verification
- Feynman
- · Replies 2 ·
Graduate Mixed Derivative in Differential Equations: Analytical and Numerical Solutions
- Gonzolo
- · Replies 3 ·
Undergrad How to get a particular solution.
- Cafka
- · Replies 2 ·
Undergrad What identity should I substitute for the integral of sin^4(x)*cos^4(x)?
- jaggtagg7
- · Replies 4 ·
Graduate How to Motivate the Integrating Factor Strategy for \( \mu(y) \)?
- Naeem
- · Replies 4 ·
Graduate How to solve these Differential Equations?
- Naeem
- · Replies 5 ·
Graduate Problem in Newtonian gravity- 2nd order, integration problems
- Romeo
- · Replies 5 ·
Undergrad How Can I Solve This Second-Order Differential Equation?
- Exulus
- · Replies 9 ·
Undergrad ?Test for Exactness of Separable Differential Equations
- Naeem
- · Replies 2 ·
Undergrad Dfq Prob, using Logisitc Equation
- Naeem
- · Replies 2 ·
Undergrad Second-Order Homogeneous Linear Equation
- andrewdavid
- · Replies 2 ·
Undergrad How prove the maximum of 2 functions
- lmamaths
- · Replies 3 ·
Undergrad Calculating the Age of a Fossil Using Radioactive Decay: A Quick Guide
- Naeem
- · Replies 23 ·
Undergrad How to find acceleration or displacement with respect to time?
- sid_galt
- · Replies 5 ·
Graduate Proving a Solution of \[u_{tt} - c^2 u_{xx} = 0\]
- Palindrom
- · Replies 2 ·
Undergrad Solve Differential Eq.: dy/dx= 1/(xy+x^2y^3)
- estalniath
- · Replies 5 ·