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 Solving PDE with integral of second derivative term
- chavo004
- · Replies 16 ·
Graduate How Do I Solve This Differential Equation for a Contagious Disease?
- kanki
- · Replies 10 ·
Graduate Solving a system of 6 first-order differential equations numerically
- 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 Finding ceiling slope angle from heights above triangle vertices
- WY
- · Replies 2 ·
Undergrad Why is dv/dt equal to vdv/dx?
- Brewer
- · Replies 4 ·
Graduate A necessary condition for uniqueness
- saltydog
- · Replies 2 ·
Graduate Tangent line to xe^y + ye^x = 1 and exponential solutions to y + y' = y''
- 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 Laplace transform of ty''+(t-1)y'+y=t²
- sssr
- · Replies 29 ·
Graduate Dimension of Soln Space of Heat Equation: Is It Infinite?
- matness
- · Replies 3 ·
Undergrad Air friction and acceleration in skydiver motion
- 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 Why does y'=-Ae^{-t} equal -y?
- RadiationX
- · Replies 2 ·
Undergrad Is my charastic equation for y''-4y' +5y =0 correct?
- RadiationX
- · Replies 4 ·
Undergrad How long is the dart in the air if shot upward from 1.5m?
- 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 Bacteria culture with growth proportional to size
- QuantumTheory
- · Replies 2 ·
Graduate How Do You Solve the Nonlinear System with Sensitive Initial Conditions?
- samsus
- · Replies 3 ·
Undergrad What does a Fourier series actually represent conceptually?
- jwsiii
- · Replies 6 ·
Graduate Frobenius Method: Finding Solutions for x^2*y"-x*y'+(x^2+1)y=0
- jason17349
- · Replies 3 ·
Undergrad What is the ratio [f(x)-t(x)]/f(x) measuring for the tangent line?
- 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 Finding dy/dx and d²y/dx² for parametric equations with a
- 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 What does a Laplace transform result like 1/(s-2) mean?
- slug
- · Replies 2 ·
Undergrad Laplace transform of -5t² using integration by parts
- 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 Inverse Laplace transform of (-3s+20)/(s²-6s+12)
- andrewdavid
- · Replies 5 ·
Undergrad Second-order nonhomogeneous ODE with 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 What is the Dirac delta function and how does it work with Laplace transforms?
- 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 Setting up Runge-Kutta 4 for shooting method with coupled ODEs
- 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 Alligator population differential equation with x in the rate equation
- 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 first order differential equations
- eightlgddj
- · Replies 13 ·
Undergrad Solving 3y' - 2y = 1 - x and 2y' + 3y = 4 with initial condition
- primus
- · Replies 4 ·
Graduate Finding Green's Function for Half Space Neumann Problem
- NYUmathgeek
- · Replies 2 ·
Graduate Weak formulation of a parabolic PDE with Neumann boundary conditions
- 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 Carbon-14 dating with 20g initial and 6g in fossil
- 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 ·