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 Know a simple, linear, complex, eigenvalue BVP?
- member 428835
- · Replies 3 ·
Graduate Equation satisfied by a rubber sheet
- Septim
- · Replies 24 ·
Undergrad Heat transfer coefficient and convection
- fluidistic
- · Replies 3 ·
Undergrad How can I solve the equation x-esin(x)=4?
- PainterGuy
- · Replies 2 ·
Undergrad Vector space for solutions of differential equations
- Trying2Learn
- · Replies 4 ·
Graduate Question about this Separable ODE statement in a book
- SchroedingersLion
- · Replies 8 ·
Optimal Control for Differential Equations with L2 Control Constraint
- Alexandru999
- · Replies 1 ·
Graduate Solution to a differential equation with variable coefficients
- mertcan
- · Replies 6 ·
Graduate Differential Equations (Control Optimization Problem)
- Alexandru999
- · Replies 2 ·
High School A differential equation, or an identity?
- etotheipi
- · Replies 6 ·
Undergrad Differential equation with two terms
- kent davidge
- · Replies 1 ·
Undergrad Poisson's inhomogeneous PDE and its solutions
- fog37
- · Replies 13 ·
Solutions of the ODEs - 2 first order linear equations
- Julio1
- · Replies 6 ·
Undergrad Boundary Conditions For Modelling of a Fluid Using Euler's Equations
- person123
- · Replies 16 ·
Graduate Numerically calculating the solution for a non-homogeneous ODE system
- semc
- · Replies 6 ·
Graduate ODE -> Transfer Function Assistance
- BlueTempus
- · Replies 2 ·
Undergrad Vibration Problems -- Why must there be two solutions to the DE?
- Trying2Learn
- · Replies 19 ·
Undergrad What is the Purpose of Modal Analysis in Mechanical Systems?
- Trying2Learn
- · Replies 1 ·
Graduate Crank-Nicholson solution to the cylindrical heat equation
- hunt_mat
- · Replies 23 ·
When do the combined heights of two Ferris wheels reach 27.5m?
- Amathproblem22
- · Replies 3 ·
-b.2.2.33 - Homogeneous first order ODEs, direction fields and integral curves
- karush
- · Replies 18 ·
-b.2.1.11 Find the general solution y'+y=5sin{2t}
- karush
- · Replies 3 ·
Existence of Unique Solution for Nonlinear System with Arbitrary Constants
- Julio1
- · Replies 1 ·
What Method Solves the ODE y''(x) + y'(x) + F(x) = 0?
- Another1
- · Replies 2 ·
-2.2.31 First order homogeneous ODE
- karush
- · Replies 8 ·
Undergrad Solving a PDE for z(x,y) with Total and 2nd Derivatives: Step-by-Step Guide
- chacal10
- · Replies 5 ·
-2.2.27 - Analysis of first order IVP
- karush
- · Replies 15 ·
Undergrad Mixed topic : from FEM to analytical solution via limits?
- jk22
- · Replies 3 ·
Graduate Numerically solving matrix Riccati ODE
- Avatrin
- · Replies 3 ·
-b.2.2.26 Solve first order IVP and determine where minimum of solution occurs
- karush
- · Replies 9 ·
Graduate Partial Differential equation (Heat eqn)
- Mira
- · Replies 2 ·
High School Complete set of solutions to the wave equation
- Thomas Rigby
- · Replies 3 ·
What is the Solution to the Differential Equation dy/dx = (2cos 2x)/(3+2y)?
- karush
- · Replies 11 ·
Solve x³+3xy²=-49 and x²-8xy+y²=8y-17x
- anemone
- · Replies 13 ·
Undergrad Solving the Wave Equation via complex coordinates
- jk22
- · Replies 5 ·
Undergrad Ω=0 and its magnitude for a unit pulse
- PainterGuy
- · Replies 4 ·
-b.2.1.12 Find the general solution 2y'+y=3t^2
- karush
- · Replies 6 ·
Undergrad Solving a DE for modelling the spread of an infectious disease
- greswd
- · Replies 5 ·
Undergrad Thermodynamics Differentiating logarithms
- Hypatio
- · Replies 11 ·
Undergrad Deriving the differential equation for the underdamped case
- Tony Hau
- · Replies 1 ·
Interval with Dirac function in a finite interval
- evinda
- · Replies 2 ·
Numerical Methods: Second Order Runge-Kutta Scheme
- muckyl
- · Replies 1 ·
High School What Is the Correct Inverse Laplace Transform of 1/s(s²+w²)?
- engnrshyckh
- · Replies 9 ·
Determine the position using an iteration method
- mathmari
- · Replies 4 ·
Graduate Partial differential equation containing the Inverse Laplacian Operator
- Celeritas
- · Replies 3 ·
Maximum value a function satisfying a differential equation can achieve.
- caffeinemachine
- · Replies 1 ·
Graduate Identifying and solving a pair of ODE's
- Milsomonk
- · Replies 6 ·
Undergrad Rewriting a piecewise function using step functions
- selig5560
- · Replies 2 ·
Undergrad Find the only periodic solution of an ODE
- michii15
- · Replies 5 ·
Massaad's question via email about Laplace Transforms
- Prove It
- · Replies 1 ·
Adam's question via email about Laplace Transforms
- Prove It
- · Replies 4 ·
Graduate 11 coordinate system for separation of variables
- Trying2Learn
- · Replies 4 ·
Undergrad Can Non-Separable ODEs Be Solved with Coordinate Transformations?
- jk22
- · Replies 13 ·
Graduate Rational Chebyshev Collocation Method For Damped Harmonic Oscilator
- Leonardo Machado
- · Replies 2 ·
Graduate Is this a known result? (hypergeometric function at special values)
- nrqed
- · Replies 5 ·
Undergrad Phase Plane Diagram w/ Complex eigenvalues
- e101101
- · Replies 3 ·
High School How Can We Model the Coronavirus Using Predator-Prey Dynamics?
- etotheipi
- · Replies 18 ·
Dimensional regularizatoin of an integral
- topsquark
- · Replies 7 ·
Graduate LTI Impulse Response Estimation with Point Process Input
- Alexei_Nomazov
- · Replies 1 ·
Graduate Crank-Nicholson method and Robin boundary conditions
- hunt_mat
- · Replies 8 ·
Undergrad Bernoulli Equation with weird integral
- acalcstudent
- · Replies 1 ·
Undergrad Help getting started with this differential equation
- Daniel Sellers
- · Replies 3 ·
Laplace / inverse laplace transform
- goohu
- · Replies 3 ·
Undergrad DEs - Constants in Exercises: Why Not in General Forms?
- Admiralibr123
- · Replies 2 ·
Undergrad PDEs: Laplace's Equation over a Parallelogram
- Master1022
- · Replies 10 ·
Undergrad D'Alembert solution for the wave equation: question about the speeds
- jk22
- · Replies 1 ·
Riccati's equation and Bessel functions
- Fernando Revilla
- · Replies 4 ·
Undergrad PDEs: Diffusion Equation Change of Variables
- Master1022
- · Replies 1 ·
Graduate How to Find Initial Conditions for a Fifth Order ODE in Visco-Elastic Models?
- Joa
- · Replies 5 ·
Graduate Boundary conditions for the Heat Equation
- Leonardo Machado
- · Replies 6 ·
Graduate What are the uses of spherical harmonics?
- member 428835
- · Replies 3 ·
Graduate Fourier transform equation question
- Fosheimdet
- · Replies 3 ·
Undergrad What is the most useful method to solve differential equations?
- Anonymous_
- · Replies 12 ·
Undergrad Separation of variables - Getting the Fourier coefficients
- NicolaiTheDane
- · Replies 4 ·
-307.28.1 Find the general solution to the system of DE
- karush
- · Replies 1 ·
Undergrad When and How to Solve ODEs: Clarity for Confused Students
- ABearon
- · Replies 3 ·
Undergrad Constants at the end of the Frobenius method
- ABearon
- · Replies 1 ·
Undergrad Question about the roots of Chebyshev polynomials
- confused_engineer
- · Replies 2 ·
Undergrad Solving an ODE with power series
- Kaguro
- · Replies 4 ·
Finding Time for a Kicked Ball
- balancedlamp
- · Replies 5 ·
Graduate Function differentiability and diffusion
- hilbert2
- · Replies 5 ·
Undergrad Polynomial approximation of a more complicated function
- Hypatio
- · Replies 6 ·
Undergrad Lyapunov Stability for a nonlinear system
- Arman777
- · Replies 1 ·
Undergrad What is the relationship between Coulomb's gauge and Maxwell's Lagrangian?
- vahdaneh
- · Replies 6 ·
Graduate Eigenvalues for a non self adjoint operator
- qtm912
- · Replies 4 ·
Undergrad ODE Fail: Numerical Solution Oscillations - Possible Solutions | Hi PF
- member 428835
- · Replies 24 ·
Undergrad What's a Non-Eigenvalue Problem Called?
- member 428835
- · Replies 8 ·
Undergrad Can the ODE \psi''-y^2\psi=0 be solved using a general method?
- Luke Tan
- · Replies 2 ·
Undergrad Solving an ODE with Legendre Polynomials
- CrosisBH
- · Replies 1 ·
Undergrad Finish and plot this separation of variables problem
- Daniel Sellers
- · Replies 10 ·
Solution to function with power greater than 4
- roni1
- · Replies 1 ·
-m30b Convert the differential equation
- karush
- · Replies 4 ·
Undergrad What Is the Best Numerical Method for Solving a PDE on a 2D Annulus Grid?
- Daniel Sellers
- · Replies 6 ·
High School Solve a second-order differential equation
- Sara_76
- · Replies 5 ·
Solving 1st order non-linear ODE
- WMDhamnekar
- · Replies 4 ·
Undergrad How can we identify non-linear singular differential equation
- wasi-uz-zaman
- · Replies 3 ·
Undergrad Can the Second Plane Autonomous System Have a Unique Critical Point?
- TheMercury79
- · Replies 1 ·
Undergrad Find the general solution for the differential equation
- GoodEngineering
- · Replies 4 ·
-16.1 Find the general solution to the system of DE
- karush
- · Replies 2 ·
Graduate 3D Heat equation with elementary Dirichlet BC
- Flo31
- · Replies 1 ·