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 Can someone walk me through solving a PDE numerically?
- cmkluza
- · Replies 12 ·
Graduate Whittaker's solution and separable variables
- matt_crouch
- · Replies 4 ·
Graduate Understanding the method of Green's function
- alivedude
- · Replies 2 ·
Proving $\int_{\mathbb{R}^3}\Delta G(x,y)dx=1$ with Gauss's Theorem
- evinda
- · Replies 1 ·
Graduate Characteristic equation for recurrence equation
- Bruno Tolentino
- · Replies 3 ·
Put the 2D nonlinear system into Polar Coordinates
- Krish23
- · Replies 1 ·
Undergrad Differentiating an exponential with a complex exponent
- Zacarias Nason
- · Replies 7 ·
Graduate How to graph the duffing frequency response
- Takuza
- · Replies 1 ·
Graduate Equations with dependent variable missing
- Joseph1739
- · Replies 3 ·
Graduate Solution for f(n) in recurrence equation
- Bruno Tolentino
- · Replies 1 ·
Graduate Is There a Rigorous Method to Regularize Green's Functions in Coordinate Space?
- Einj
- · Replies 1 ·
Graduate Differential equation help
- theone
- · Replies 4 ·
Graduate A question on Laplace transform
- Debdut
- · Replies 3 ·
Graduate Solve Difference Equation: ΔP = e^P
- Cyrus
- · Replies 9 ·
Undergrad Why is differential equation equal to sum of partials?
- cmkluza
- · Replies 6 ·
Undergrad Investigating the Behavior of a Diff. Eq. w/ Constant K & W
- David Donald
- · Replies 2 ·
Undergrad Attempting to model traffic flow after front car decelerates
- cmkluza
- · Replies 6 ·
Graduate Basic question about certain second order PDE's
- lavinia
- · Replies 2 ·
Graduate Am I expanding e^ix incorrectly?
- sa1988
- · Replies 9 ·
Graduate What are the limitations of using electrical circuits to solve PDEs?
- Domenico94
- · Replies 9 ·
Graduate Question about multiple functions for a first order ODE
- ArenasField
- · Replies 1 ·
Undergrad Classifying second-order Partial differential equations
- hellomrrobot
- · Replies 3 ·
Graduate Vertical diffusion in EPIC GCM
- rc_nmt
- · Replies 10 ·
Graduate Solving Diff Eqns: Renaming Constants & Reversing Signs
- Joseph1739
- · Replies 2 ·
Initial vertical velocity (vertical motion)
- averyjedwards2
- · Replies 1 ·
Undergrad Solving dy/dt = 0: Chain Rule & y(t)
- Joseph1739
- · Replies 8 ·
Creating a 4D System with a Specific Solution: How Can It Be Done?
- sawdee
- · Replies 4 ·
Graduate Wronskian and two solutions being independent
- bubblewrap
- · Replies 9 ·
Graduate Solving First-Order PDE: Explaining Basics
- ahmed markhoos
- · Replies 6 ·
Graduate Is the Half Step Scheme Truly TVD? Help Needed to Prove It
- martizzle
- · Replies 3 ·
Undergrad Differentiatial equation
- TimeRip496
- · Replies 6 ·
Solving Second Order ODE: True or False?
- Guest2
- · Replies 2 ·
Solving Homogeneous ODE: $\displaystyle x(y-3x)\frac{dy}{dx}=2y^2-9xy+8x^2$
- Guest2
- · Replies 1 ·
Undergrad How do you actually calculate this....?
- SansaStark
- · Replies 8 ·
Graduate Variation of parameters - i have different particular soluti
- omar yahia
- · Replies 3 ·
Logarithm + Nepper's number Exercise
- Velo
- · Replies 4 ·
Graduate Brainstorm Ideas for Project - Get Suggestions on Differential Equations
- faradayscat
- · Replies 5 ·
Graduate Special Second Order Ordinary Diff. Equation
- Andreol263
- · Replies 3 ·
Undergrad Why differential equations? When to use them?
- Pulik
- · Replies 11 ·
What is the mistake in this supposed proof?
- evinda
- · Replies 5 ·
Undergrad Equation for underdamped harmonic motion
- pinkcashmere
- · Replies 2 ·
How do we get the imaginary part?
- evinda
- · Replies 4 ·
Undergrad A solved 2nd order ODE that i don't understand its solution
- omar yahia
- · Replies 7 ·
Graduate Does Integration Scheme Choice Matter for Initial Demo of Crane Control?
- observer1
- · Replies 6 ·
Graduate Green's function in elliptic box
- Einj
- · Replies 4 ·
Graduate Solving the 3D Diffusion Equation with Fourier Spectral Techniques
- johnnyTransform
- · Replies 2 ·
Undergrad Why 2nd order differential equation has two solutions
- goodphy
- · Replies 4 ·
Graduate Need help understanding an aspect of undetermined coeff's
- kostoglotov
- · Replies 1 ·
Graduate Transfer function with non zero initial conditions
- Wesker
- · Replies 1 ·
Graduate Fitting data to complicated model
- yumyumyum
- · Replies 5 ·
Graduate Numerical solution of non-linear diffusion equation
- maka89
- · Replies 11 ·
How do I apply the Frobenius method to solve Hermite's ODE?
- ognik
- · Replies 1 ·
Graduate Axial/Longitudinal Vibrations in beams
- Runei
- · Replies 20 ·
Graduate Quick question about method of Frobenius
- TroyElliott
- · Replies 2 ·
How do we deduce that there is such a point?
- evinda
- · Replies 2 ·
Undergrad What are differential equations good for?
- INTP_ty
- · Replies 2 ·
How do you solve the Euler ODE $x^2y'' + xy' - n^2y = 0$ using $y=x^p$?
- ognik
- · Replies 1 ·
Find Ansatz for this ODE (3.5.15)
- ognik
- · Replies 2 ·
Please check this particular solution excercise
- ognik
- · Replies 3 ·
Graduate Bungee jump -> differential equation -> simulink simulation
- Wesker
- · Replies 2 ·
Help with ODE initial conditions
- ognik
- · Replies 2 ·
Find Solutions for Char. Eqtn. y'' + 2y' + 3y = 0 with y(0) = 0, y'(0) = 1
- ognik
- · Replies 7 ·
Please check Laguerre's eqtn solution
- ognik
- · Replies 5 ·
Graduate Do these two partial derivatives equal each other?
- thegirl
- · Replies 4 ·
Graduate Taylor expansion with multi variables
- bubblewrap
- · Replies 5 ·
Solving a Difficult DE with TI-NSPIRE: Is it True?
- karush
- · Replies 2 ·
Undergrad Need help interpreting the Wronskian
- kostoglotov
- · Replies 1 ·
Graduate Soln space basis for all constant coeff homo linear DE's?
- kostoglotov
- · Replies 1 ·
Solve for $a^2$ in $u_{xx} = u_{tt}$ using $u_1$ and $u_2$
- karush
- · Replies 5 ·
Undergrad How do differential equations relate to traffic flow?
- cmkluza
- · Replies 5 ·
Graduate Question on proper technique for solving this equation
- redtree
- · Replies 2 ·
Undergrad First Order Differential Equation
- santeria13
- · Replies 4 ·
Differential equation y/(x^2+y^2)
- Nikolas7
- · Replies 4 ·
Solve the differential equation
- Nikolas7
- · Replies 6 ·
Verifying Solution: U(x, y) = cos(x) cosh(y) for PDE U_xx + U_yy = 0
- karush
- · Replies 5 ·
Graduate Solving Second Order Linear Diff Eqns: Proving Theorems & More
- anachin6000
- · Replies 5 ·
-b.1.3.21-24 Order and linear or nonlinear
- karush
- · Replies 6 ·
Undergrad Understanding some unfamiliar words
- mr.tea
- · Replies 6 ·
Graduate Why Must B Approach Zero in Cauchy-Euler ODE Solutions at x=0?
- Andreol263
- · Replies 4 ·
Graduate A Holder space is a Banach space
- Domenico94
- · Replies 12 ·
Are There Complex Solutions for a 2nd Order ODE?
- ognik
- · Replies 4 ·
What are the different types and stabilities of critical points?
- ineedhelpnow
- · Replies 3 ·
Higher power constant coefficiants ODEs
- ognik
- · Replies 2 ·
Finding Solutions for $y'=Ay$ with Vector and Matrix Components
- ineedhelpnow
- · Replies 7 ·
Method of undetermined coefficients
- ineedhelpnow
- · Replies 9 ·
How to Find a General Solution Using Variation of Parameters?
- ineedhelpnow
- · Replies 2 ·
Undergrad Can All Differential Equations Be Separated?
- whatisreality
- · Replies 10 ·
Approximating Equations for Unknowns: How to Justify the Form of $U_0$?
- evinda
- · Replies 5 ·
Solutions to Linear Diff. Eq. of 1st Order in a Ring?
- mathmari
- · Replies 3 ·
Insights Solving Nonhomogeneous Linear ODEs using Annihilators - Comments
- Mark44
- · Replies 5 ·
Undergrad Linear First-Order Differential Equation
- DiamondV
- · Replies 3 ·
Graduate Solving a PDE w/ given boundary and initial conditions
- TheCanadian
- · Replies 5 ·
Graduate Failure to see the validity of an approximation to DiffEq.
- davidbenari
- · Replies 3 ·
Graduate How Does Laplace Transform Solve the Harmonic Motion Differential Equation?
- Jim wah
- · Replies 2 ·
System of differential equations
- mathmari
- · Replies 5 ·
Are Unique Solutions Possible for Homogeneous Equations?
- mathmari
- · Replies 1 ·
Graduate Finite-element solution of Sturm-Liouville problem
- leon_avery
- · Replies 2 ·
Fourier Transforms: Theory & Applications
- arrow27
- · Replies 1 ·
Undergrad How to Solve for s1 | Experts' Guide
- shayaan_musta
- · Replies 4 ·
Graduate Find the approximate linear ODE system
- NiallBucks
- · Replies 6 ·