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 Proving C1 Continuity of a Person's Path in a 2D Environment
- 12monkey
- · Replies 2 ·
Undergrad How to solve DE with irreducible quadratic
- TOD
- · Replies 1 ·
Undergrad Find Function Like in Picture - No Trig Needed
- TalonStriker
- · Replies 10 ·
Graduate Chain rule with substitution r* = a²/r*
- Somefantastik
- · Replies 3 ·
Undergrad How to integrate y'/y=3 to find y=Ce^(3x)
- TravisUHEng
- · Replies 1 ·
Undergrad Solving the drag force equation for a solid fuel rocket
- v6maik
- · Replies 4 ·
Graduate Formulating Differential Equations
- Tac-Tics
- · Replies 8 ·
Undergrad Homogeneous equation, problem with algebra
- chaotixmonjuish
- · Replies 10 ·
Undergrad What is the Bernoulli Differential Equation Form of 3y^2y' + y^3 = e^-x?
- Sean77771
- · Replies 1 ·
Undergrad Recommend a textbook about differential equations
- princeton118
- · Replies 4 ·
Graduate Finding the eigenvectors (and behavior of solution) around the
- Somefantastik
- · Replies 1 ·
Undergrad Solving a second-order PDE with mixed derivatives
- jomomma
- · Replies 6 ·
Graduate Solving 2D Laplace Equation with Boundary Conditions
- dzi
- · Replies 2 ·
Undergrad 1st order diff equ vs integral tables
- rppearso
- · Replies 5 ·
Graduate Find 2 Missing Critical Points for x' = y(1 + x - y2) and y' = x(1 + y - x2)
- Somefantastik
- · Replies 7 ·
Graduate Why must the solution interval be x ≥ √(15/4) for this initial value problem?
- 2RIP
- · Replies 13 ·
Undergrad How do I incorporate the initial velocity into the equation?
- hydr
- · Replies 1 ·
Undergrad Derivative of dE=(kqz)/(z^2+R^2)^3/2 with respect to z
- s7b
- · Replies 3 ·
Graduate How Do You Derive the Fourier Series for Laplace's Equation Solutions?
- Somefantastik
- · Replies 4 ·
Graduate Can a Riccati-type Differential Equation with a Square Root Term be Classified?
- Elros
- · Replies 2 ·
Graduate Transforming an ODE: Solving a Difficult Equation with a Simple Transformation
- picard
- · Replies 4 ·
Undergrad Identifying the ODE x'' + k(x')^2 + c = 0
- sir_manning
- · Replies 3 ·
Graduate Light reflection surface: finding the differential equation for curve C
- bcjochim07
- · Replies 5 ·
Graduate 2nd-Order Non-Linear ODE: Where to Start?
- timo1023
- · Replies 11 ·
Undergrad Solving x'=sinx: Where do the x0's Come From?
- evolution685
- · Replies 3 ·
Graduate Solving a first-order nonlinear differential equation.
- swbluto
- · Replies 11 ·
Graduate Can a Measurable Function V Exist for Given Quantum Energy Eigenvalues?
- jostpuur
- · Replies 8 ·
Graduate Infinite series solution for NON-linear ODEs?
- smallphi
- · Replies 3 ·
Undergrad What Is Orthogonal Trajectory?
- e4dragon
- · Replies 2 ·
Undergrad Derivatives of natural logarithmic functions
- fr33pl4gu3
- · Replies 5 ·
High School What Is the Derivative of y = x^4 * 4x?
- fr33pl4gu3
- · Replies 1 ·
Graduate Trouble with dirac delta in R^2
- obomov2
- · Replies 1 ·
Graduate A differential equation : x^2 * u'' = k*u
- obomov2
- · Replies 2 ·
Undergrad Fourier transform and steady state solution?
- hanson
- · Replies 1 ·
Graduate How to Reduce the Order of the ODE y'' = c - 2(y')²/y?
- efmsolver
- · Replies 1 ·
Graduate What Are All Second-Degree Harmonic Polynomials in R2?
- Somefantastik
- · Replies 2 ·
Undergrad Order of differential equation
- lizzie
- · Replies 4 ·
Graduate Y'' - y' = e^x [2nd order nonhomogenous diff Eq]
- JeffNYC
- · Replies 5 ·
Graduate Number of solutions of a nonlinear differential equation.
- arroy_0205
- · Replies 13 ·
Graduate Partial derivative of an ordinary derivative?
- Ultimâ
- · Replies 3 ·
Graduate Second partial derivative of d'Alembert's solution
- Somefantastik
- · Replies 5 ·
Undergrad Differential in a initial value problem
- swooshfactory
- · Replies 1 ·
Graduate Coupled differential equations with lambda f(y) and lambda g(y)
- VatanparvaR
- · Replies 12 ·
Undergrad Solving x'' + 2x' + x = 10t·u(t) with unit step function
- tung
- · Replies 3 ·
Undergrad Solving four ODE problems
- prison-rat
- · Replies 4 ·
Graduate Solving Euler Equation for F(K) and U(C) with Initial and Terminal Conditions
- peteryellow
- · Replies 1 ·
Graduate Equation of heat conduction, vague text book
- Somefantastik
- · Replies 7 ·
Graduate Numerical method to solve high order ODEs.
- meridian
- · Replies 4 ·
Graduate Condition for a 2nd order differential eqn to have bounded solutions?
- arroy_0205
- · Replies 1 ·
Undergrad 1st order non homogenous DE problem solving
- Somefantastik
- · Replies 9 ·
Graduate Where Did My Integration by Parts Go Wrong?
- Somefantastik
- · Replies 4 ·
Graduate Equation of Diffusion, trouble simplifying, PDE
- Somefantastik
- · Replies 5 ·
Graduate Bessel equation from Laplacian in cylindrical coordinates
- Phrak
- · Replies 6 ·
Graduate Convergence of Saddle-Point Approximation for Large M in Integrals
- jfitz
- · Replies 1 ·
Graduate Generalizing separation technique
- jostpuur
- · Replies 2 ·
Graduate Where did this term come from? (Fourier)
- rsq_a
- · Replies 1 ·
Graduate Laplace and Poisson Equation in oblate and prolate spheroids
- kingdavid
- · Replies 2 ·
Graduate Can symmetry in differential equations help solve them faster?
- Marin
- · Replies 10 ·
Graduate When to use Frobenius method power series Set 1 vs Set 2?
- bishy
- · Replies 4 ·
Graduate How to transform the DKS equation to Fourier space
- hunter151
- · Replies 2 ·
Graduate Diff. eq. for the Einstein metric inside a body
- gijeqkeij
- · Replies 7 ·
Undergrad Laplace transform of sin(ωt – Φ)
- ch5497
- · Replies 1 ·
Undergrad Why do different methods give different solutions for this initial value problem?
- malee006
- · Replies 3 ·
Graduate Solve y'''=y'': Using Power Series to Solve Non-Linear Diff Eq
- lkj-17
- · Replies 3 ·
Undergrad Solving y' = (1-2x)y² with separation of variables
- Aero6
- · Replies 2 ·
Undergrad Integrating (ln x)^2/e^5t in Variation of Parameters Problem
- eagleswings
- · Replies 4 ·
Graduate Phase portrait for coupled 2×2 ODE system with eigenvalues -1 and -5
- Sdarcy
- · Replies 2 ·
Graduate Skew Adjoint Frechet derivative?
- Anthony
- · Replies 1 ·
Undergrad From 2 1st order ODEs to 1 2nd order ODE?
- pauperrimo
- · Replies 6 ·
Graduate Can Partial Multigrid Solutions Enhance Efficiency in CFD Simulations?
- curiousOne
- · Replies 1 ·
Graduate Can Differential Equations Model Complex Systems Like the Stock Market?
- aquaregia
- · Replies 4 ·
Graduate How Do I Solve This Differential Equation System?
- ForMyThunder
- · Replies 6 ·
Graduate Nonlinear Differential equation and simplification techniques
- arroy_0205
- · Replies 1 ·
Graduate Many-Body Numeric Integration Algorithm
- Enjolras1789
- · Replies 1 ·
Graduate Solving an Annoying Equation with Trigonometry and Constants
- latentcorpse
- · Replies 20 ·
Graduate Solving Non-Linear ODE's in Mathematica
- robousy
- · Replies 2 ·
Undergrad Integration Factors: Solving Problems
- confusedM
- · Replies 3 ·
Graduate Change of variables to polar coordinates
- Defconist
- · Replies 2 ·
Graduate Method of characteristics for linear PDE's (variable coefficients)
- Defconist
- · Replies 2 ·
Graduate What is Clairaut's Equation and How Does it Apply to Optics?
- jnbfive
- · Replies 46 ·
Graduate What is a linear partial differential equation?
- Somefantastik
- · Replies 2 ·
Undergrad Why does du approach 0 when dx approaches 0?
- Dumbledore
- · Replies 2 ·
Graduate Draw the trajectory in the x-xdot plane
- franky2727
- · Replies 6 ·
Graduate A problem about integral of modified bessel function
- jianingli
- · Replies 1 ·
Graduate Reducing Order: Is it Valid to Say G(x) = 0?
- bishy
- · Replies 2 ·
Undergrad How would I solve a DiffEq of the form
- K.J.Healey
- · Replies 8 ·
Undergrad What types of ODEs can Laplace Transforms effectively solve?
- ice109
- · Replies 4 ·
Graduate Wave on a string and the chain rule Argh
- physmurf
- · Replies 1 ·
Graduate Can These Second Order ODEs Model Planetary Trajectories?
- Marin
- · Replies 5 ·
Graduate Numerical Integration and Energy Loss
- KLoux
- · Replies 3 ·
Undergrad Runge-Kutta vs Euler: Solving Two-Dimensional Differential Equation
- mrsvan
- · Replies 1 ·
Undergrad How can I determine if the equation (2x+3) + (2y-2)y' = 0 is exact or not?
- fehwqjkfdehqa
- · Replies 1 ·
Undergrad How Do You Find the Integrating Factor for This Equation?
- Happydog
- · Replies 6 ·
Graduate Solution to the nonlinear 2nd order d.e
- younginmoon
- · Replies 5 ·
Graduate First order pde cauchy problem by method of characteristics
- pk415
- · Replies 1 ·
Graduate How can a first order nonlinear differential equation be solved?
- utterfly
- · Replies 22 ·
Graduate Helmholtz equation Neumann and divergence
- Heimdall
- · Replies 1 ·
Graduate Green Function and Boundary Conditions
- robousy
- · Replies 4 ·
Graduate Gradient of multiparticle wavefunction
- confused_man
- · Replies 1 ·
Graduate 1st Order Nonlinear equation - Control
- danielgdls
- · Replies 1 ·