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 What's the mathematics behind "spontaneous synchronization"?
- swampwiz
- · Replies 1 ·
Undergrad Characteristic curves for ##u_t + (1-2u)u_x = -1/4, u(x,0) = f(x)##
- BloonAinte
- · Replies 2 ·
Undergrad Rosenbrock method ODE : Abrupt increase during First iteration
- gurbir_s
- · Replies 2 ·
Graduate Differential equation and Appell polynomials
- pawlo392
- · Replies 1 ·
Undergrad Solution of delayed forcing function
- Jag1972
- · Replies 5 ·
Undergrad Infinite product representation of Bessel's function of the 2nd kind
- Talon44
- · Replies 2 ·
Graduate Raising and lowering operators
- John Finn
- · Replies 1 ·
Insights How Did Lie Groups Become Central to Physics?
- fresh_42
- · Replies 9 ·
Undergrad ODE with non-exact solution: closed-form, non-iterative approximations
- FranzS
- · Replies 3 ·
High School Luis A. Caffarelli, 2023 Abel Prize
- Astronuc
- · Replies 1 ·
Undergrad Fundamental matrix of a second order 2x2 system of ODEs
- EinsteinCross
- · Replies 2 ·
Undergrad Derivation for the indicial exponent in the Frobenius method
- Kloo
- · Replies 1 ·
Graduate Differentiation of unitary operator U(t,t') in Peskin and Schroeder
- Romanopoulos Stelios
- · Replies 5 ·
Undergrad Best fit to an oscillating function
- kelly0303
- · Replies 9 ·
Undergrad Solving 3D TDSE with Runge-Kutta Method
- thatboi
- · Replies 3 ·
Graduate Seeking advice about solving an ODE
- BillKet
- · Replies 3 ·
Undergrad What kind of differential does the small Greek delta letter represent?
- swampwiz
- · Replies 2 ·
Graduate How to separate variables in this PDE?
- BB711
- · Replies 7 ·
Undergrad Solving an equation with a parameter and a derivative
- homeworkhelpls
- · Replies 2 ·
Undergrad Understanding Euler Method: Finding Initial Condition of y(0)=1
- chwala
- · Replies 7 ·
Undergrad Laplace Transform of Sign() or sgn() functions
- macardoso
- · Replies 1 ·
Undergrad Properties of the Fourier transform
- redtree
- · Replies 7 ·
Undergrad PDE - Heat Equation - Cylindrical Coordinates.
- erobz
- · Replies 3 ·
Undergrad Helmholtz Equation in Cartesian Coordinates
- bob012345
- · Replies 11 ·
Graduate Solving an Equation: Overcoming the r's
- mhirschb
- · Replies 2 ·
Undergrad Finding the weak form of an eq. with DG elements (finite elements)
- fluidistic
- · Replies 6 ·
Undergrad How to characterise solutions to an unsolved equation
- NotEuler
- · Replies 5 ·
Graduate Clarification on the given PDE problem
- chwala
- · Replies 4 ·
Undergrad Time evolution of the electromagnetic wavefunction on a lattice
- James1238765
- · Replies 9 ·
Graduate The boundary conditions in reference to Laplace's equation
- chwala
- · Replies 22 ·
Graduate Applying the Laplace transform to solve Differential equations
- LagrangeEuler
- · Replies 5 ·
Undergrad Explanation of all "its linearly independent derivatives"
- Hall
- · Replies 3 ·
High School Differentiating Euler formula vs. multiplying by i
- ke7ijo
- · Replies 3 ·
Graduate Solve the Partial differential equation ##U_{xy}=0##
- chwala
- · Replies 3 ·
Graduate Rectangular higher order edge element (finite element method)
- mdn
- · Replies 1 ·
Graduate Determining whether the Dirichlet problem is nonhomogenous
- chwala
- · Replies 2 ·
Undergrad Need Help with this Step in a DE solution
- bigmike94
- · Replies 1 ·
High School Constrained Optimization with the KKT Approach
- SilverSoldier
- · Replies 7 ·
How to Solve the Lotka-Volterra System of Differential Equations?
- charlottewill
- · Replies 18 ·
Undergrad What are the applications of inverses of vector functions?
- askmathquestions
- · Replies 17 ·
Undergrad Discontinuous systems? And why do we need uniqueness anyway?
- askmathquestions
- · Replies 2 ·
Undergrad Where did this substitution technique go wrong?
- askmathquestions
- · Replies 27 ·
Undergrad Expressing a differential equation into a different format
- Shovon00000
- · Replies 1 ·
Undergrad Can we solve a non-autonomous diffeq via Taylor series?
- askmathquestions
- · Replies 5 ·
Undergrad What are the applications of function-valued matrices?
- askmathquestions
- · Replies 5 ·
Graduate How to solve Diffusion Equation with time dependant conditions?
- Zimbalj
- · Replies 13 ·
Undergrad Second order non-homogeneous linear ordinary differential equation
- Hall
- · Replies 2 ·
Graduate Polar Fourier transform of derivatives
- hunt_mat
- · Replies 4 ·
Undergrad Is there a name for this sort of differential equation?
- Gear300
- · Replies 2 ·
Undergrad Finding Max and Min Extremes of a Function with Second Derivatives Equal to Zero
- NODARman
- · Replies 1 ·
Graduate Spectral solution of the two dimensional Rossler chaotic system
- patric44
- · Replies 4 ·
Undergrad Can I Differentiate Both Sides to Solve y in y^2=ln(1-y^2)?
- NODARman
- · Replies 2 ·
Undergrad Understanding Removable discontinuity of the given function: ##e^x##
- chwala
- · Replies 35 ·
Graduate Solve the heat equation having Dirichlet boundary conditions
- chwala
- · Replies 3 ·
Undergrad Second Order ODE with Exponential Coefficients
- thatboi
- · Replies 1 ·
Undergrad Analysis of converting a DE into complex DE
- Hall
- · Replies 6 ·
Graduate Solve the homogenous Neumann problem
- chwala
- · Replies 3 ·
Graduate Bessel functions of imaginary order
- KariK
- · Replies 2 ·
Undergrad Hypergeometric Limits: Analyzing p(x)
- thatboi
- · Replies 1 ·
Collin's question via email about solving a DE using Laplace Transforms
- Prove It
- · Replies 2 ·
Graduate When should you use more mesh elements in the finite element method?
- mdn
- · Replies 9 ·
Undergrad General solution of 1D vs 3D wave equations
- yucheng
- · Replies 7 ·
Undergrad Real ODE yields real solution through complex numbers
- FranzS
- · Replies 3 ·
Minimum time required to cover distance, beginning and ending at rest
- Fantini
- · Replies 1 ·
Undergrad Quick Change of Variables Question
- thatboi
- · Replies 15 ·
Undergrad Drawing Direction Fields for Higher Order ODEs
- hagopbul
- · Replies 6 ·
Equivalent Damping Constant for Massless Bar
- Dustinsfl
- · Replies 1 ·
Viscously damped system
- Dustinsfl
- · Replies 1 ·
How Do I Interpret This Proposition on Differential Equations and Invertibility?
- kalish1
- · Replies 1 ·
Collin's question via email about a Laplace Transform
- Prove It
- · Replies 1 ·
Collin's questions via email about Inverse Laplace Transforms
- Prove It
- · Replies 1 ·
Mahesh's question via email about Laplace Transforms (2)
- Prove It
- · Replies 1 ·
Jun's question via email about Laplace Transform
- Prove It
- · Replies 2 ·
Alexander's question via email about Laplace Transforms
- Prove It
- · Replies 1 ·
Dharshan's question via email about a Laplace Transform
- Prove It
- · Replies 1 ·
Mahesh's question via email about Laplace Transforms (1)
- Prove It
- · Replies 1 ·
Seth's question via email about a Laplace Transform
- Prove It
- · Replies 1 ·
Effie's question via email about Implicit Differentiation
- Prove It
- · Replies 1 ·
Edin's question via email about implicit differentiation
- Prove It
- · Replies 1 ·
Inexact Differential Equation with 4 Degree
- jeffer vitola
- · Replies 1 ·
Erin's question via email about a Fourier Transform
- Prove It
- · Replies 1 ·
Kamal's Questions via email about Implicit Differentiation
- Prove It
- · Replies 1 ·
Graduate Fortran programming to solve ODEs
- ra_forever8
- · Replies 1 ·
Sturm-Liouville Problem Cheat Sheet
- Ackbach
- · Replies 1 ·
Why is there a Mass Term in the Denominator of the Spacecraft's Motion Equation?
- Dustinsfl
- · Replies 1 ·
What are Bessel Functions and how can they help solve differential equations?
- Ackbach
- · Replies 1 ·
Aidan's question via email about Fourier Transforms (2)
- Prove It
- · Replies 1 ·
How Long for 61Co to Reduce to 80% of Its Initial Value?
- CaptainBlack
- · Replies 1 ·
Throwing a Ball Up: Motion & Time to Max Height
- Dustinsfl
- · Replies 1 ·
Graduate Recurrence relations for series solution of differential equation
- dim_d00m
- · Replies 1 ·
Undergrad FEM Method in 2D with Triangular Elements
- bob012345
- · Replies 12 ·
Undergrad How to make the deflection equation at any point along a snow ski profile?
- Skierman
- · Replies 4 ·
Matrix Methods for Difference Problems II
- topsquark
- · Replies 7 ·
Matrix Methods for Difference Problems
- topsquark
- · Replies 3 ·
Solving a Separable Variable Differential Equation Using U-Substitution
- karush
- · Replies 2 ·
Undergrad Differential Equations For Solving A Recursive equation
- MAGNIBORO
- · Replies 5 ·
Undergrad Modified Bessel Equation
- thatboi
- · Replies 3 ·
Undergrad Finding the damping ratio (zeta) of an nth order system from a transfer function
- twillkickers
- · Replies 2 ·
Neuronal Dynamics Passive membrane equation
- winterdrops
- · Replies 1 ·
Help with a question (Bernoulli General solution)
- Ultra
- · Replies 8 ·