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 Solving non-linear system by linearization
- nikolafmf
- · Replies 2 ·
Boundary Conditions of the Third Kind
- Dustinsfl
- · Replies 1 ·
Graduate Beam on varying-stiffness foundation: EI*y''''+ k*y/x³=0
- hushish
- · Replies 26 ·
Graduate Properties of Differential Operator and Proper Formalism
- Nano-Passion
- · Replies 3 ·
Graduate Why don't eigenfunctions of a Sturm-Liouville problem span all functions?
- ShayanJ
- · Replies 2 ·
Graduate Crank-Nicolson instability in 3D
- WastedMeat
- · Replies 5 ·
Graduate Solving dx/dt = 2a²x² - 2bx - c²(y)t for thesis
- Luisvzz
- · Replies 1 ·
Graduate Solving a Partial Differential Equation (PDE)
- kirppu
- · Replies 2 ·
Graduate Differentiate y = ln(x² + sin x)exp^(4x cos x)(2x + 1)^8
- Hurly
- · Replies 1 ·
Undergrad What is the Fundamental Frequency in the Fourier Series of cos4t + sin8t?
- helderdias
- · Replies 3 ·
Undergrad What are the real-world applications of higher-order ODEs?
- StationZero
- · Replies 5 ·
Graduate Second order nonlinear differential equation
- equation M
- · Replies 1 ·
Undergrad Solving a differential equation with a constant term
- phiby
- · Replies 1 ·
Undergrad Where are nonlinear dynamics and chaos theory used?
- MathWarrior
- · Replies 8 ·
Graduate Why does analyticity of solutions depend on analyticity of coefficients?
- Tosh5457
- · Replies 3 ·
Fourier Transform of f'(ax): Discrepancy in Results?
- Poirot1
- · Replies 1 ·
Graduate Ill-posed inverse problem (linear operator estimation)
- bpet
- · Replies 4 ·
Graduate Harmonic Functions, conjugates and the Hilbert Transform
- nickthequick
- · Replies 1 ·
Coefficient solving for a PDE-eigenfunction
- Dustinsfl
- · Replies 5 ·
Graduate Boundary Value Problem and ODE: How to Rescale and Solve for Inner Solutions?
- fionamb83
- · Replies 2 ·
Graduate Solving ODEs: Is There Any Hope?
- James4
- · Replies 2 ·
Undergrad Second order circuit with 2 capacitors to differential equation
- nicksname
- · Replies 6 ·
Undergrad Solution to PDA: Solving 12x3 + 6x2 + 9x
- AbsoluteZer0
- · Replies 1 ·
Damped forced vibration solution doesn't match
- shorty1
- · Replies 7 ·
Undergrad Calculator that solves differential equation
- Femme_physics
- · Replies 12 ·
Graduate Nonlocal Physics: Boundary Integral Conditions
- mathmai
- · Replies 2 ·
Graduate Exact Solution of Geometric Brownian Motion
- Tilde90
- · Replies 2 ·
Graduate How does the shrinking core model equation simplify from volume to diameter?
- cycling4life
- · Replies 1 ·
Graduate What can we say about the solution of this PDE?
- mousakas
- · Replies 7 ·
High School What do t and dt mean in an integral?
- xeon123
- · Replies 7 ·
Undergrad Why does the cosine Fourier series start at n=0?
- deckoff9
- · Replies 3 ·
Undergrad How to determine if a higher order ODE is homogeneous
- kimkibun
- · Replies 1 ·
Using definition of Laplace transform in determining Laplace of a step function
- shorty1
- · Replies 3 ·
Proof of Fourier Series: F(ax) = (1/a)f(k/a) with F(x) as Fourier Transform
- Poirot1
- · Replies 2 ·
Vanishing wronskian for linearly independent solutions
- issacnewton
- · Replies 5 ·
Graduate Diracs delta equation - general interpretation
- finitefemmet
- · Replies 3 ·
Graduate Why Are Boundary Conditions Zero for \(\phi\) in Partial Differential Equations?
- omoplata
- · Replies 4 ·
Undergrad Can this be turned into a differential equation? Recursive diffy Q?
- DrummingAtom
- · Replies 3 ·
Graduate Continuity of (x^2 + y^2)sin(1/(x^2+y^2)) Derivative at 0
- brydustin
- · Replies 4 ·
Graduate Radial solutions to laplace equation
- wumple
- · Replies 8 ·
Graduate How Can Visual Learners Master PDEs and Fourier Transforms?
- Illuminerdi
- · Replies 6 ·
Graduate Factorising and integrating a differential
- eddysd
- · Replies 5 ·
Graduate Derivation for Rodrigues formula (orthogonal polynomials)
- J Hill
- · Replies 1 ·
Graduate Solving a Tricky Substitution with d^2x/dt^2
- strokebow
- · Replies 3 ·
Pharaoh's Taylor series question from Yahoo Answers
- CaptainBlack
- · Replies 1 ·
Undergrad Laplace transform of a product of functions
- HAL10000
- · Replies 2 ·
Graduate Laplace analysis of RLC and RLCC circuits
- Muddyrunner
- · Replies 3 ·
Graduate Finding the maximum speed for a vector?
- mathgirl313
- · Replies 2 ·
Find Value of $k$ for Equation with One Real Solution
- juantheron
- · Replies 3 ·
Graduate Proving the non-existence of a function.
- m84uily
- · Replies 2 ·
Undergrad Why Add Homogeneous and Particular Solutions in Linear Differential Equations?
- DrummingAtom
- · Replies 8 ·
Graduate What Does a Linear Functional Do?
- meldraft
- · Replies 2 ·
Graduate What is the missing term in the differential equation?
- jacobrhcp
- · Replies 4 ·
Graduate How Do You Solve the Complex Equation \( z^2 + 4\overline{z} + 4 = 0 \)?
- ronho1234
- · Replies 4 ·
Graduate Qualitative implications of parameter shift in non-autonomous ODE
- tjc
- · Replies 1 ·
Undergrad How Do You Plot Level Curves for the Function z=(x²-2y+6)/(3x²+y)?
- ronho1234
- · Replies 2 ·
Graduate Elements in sets that are common
- ronho1234
- · Replies 1 ·
Graduate Numerical PDE boundary problem methodology
- jacobrhcp
- · Replies 2 ·
Graduate What is the inverse Laplace transform of F(s)?
- guava91011
- · Replies 1 ·
Graduate Velocities in inertial and rotating frames of reference
- ryan88
- · Replies 2 ·
Polar form analysis of x'=y+xf(r²), y'=-x+yf(r²)
- Poirot1
- · Replies 2 ·
Undergrad Looks same as distinct root solution
- doey
- · Replies 3 ·
Graduate 4th order Runge Kutta method for 2nd order ODE
- Cypeq
- · Replies 6 ·
Graduate Is differential equations a prerequisite for real analysis?
- woundedtiger4
- · Replies 3 ·
Graduate Solving ẍ = -⅙ẋ - (2/7)(1-S)² for analytic solution
- motavassely
- · Replies 4 ·
Graduate Is the dimension of a 2nd order ODE always 2?
- ashok vardhan
- · Replies 3 ·
Graduate What does 2nd ord pde tell you? like fxx(x,y)
- brandy
- · Replies 3 ·
Graduate Can a Dynamical System Have Multiple Locally Stable Equilibria?
- Ali 2
- · Replies 4 ·
Graduate Non-homogeneous Boundary value Problem
- primaryd
- · Replies 1 ·
Graduate ODE y''+b^2 y=0 where b is vector
- mogul
- · Replies 1 ·
Graduate What Is the Laplace Transform Formula for \(\mathcal{L}[f(t) \cdot g'(t)]\)?
- HWGXX7
- · Replies 1 ·
Eigenfunctions and Boundary Conditions for $$\frac{d^2}{dx^2}(xy) - λxy=0$$
- Poirot1
- · Replies 8 ·
How to Find the Steady State Temperature Distribution in a Spherical Shell?
- Poirot1
- · Replies 4 ·
Undergrad What Does (\frac{\partial z}{\partial x})y Indicate?
- brandy
- · Replies 1 ·
Graduate General solution to partial differential equation (PDE)
- manchester20
- · Replies 1 ·
Graduate Finding the particular/complementary solution from a laplace transform
- eggshell
- · Replies 1 ·
Graduate PDE and finding a general solution
- meghibbert17
- · Replies 3 ·
Graduate Derivation of normal surface vector of a quasilinear PDE
- nigels
- · Replies 1 ·
Graduate Linearizing \dot{x}+√x = 0 when the derivative is undefined at equilibrium
- FaroukSchw
- · Replies 3 ·
Undergrad Extended tables of Laplace transforms
- Muddyrunner
- · Replies 2 ·
Graduate Practice Problems to Nonlinear Dynamics Strogatz Book
- X89codered89X
- · Replies 2 ·
Graduate Black-Scholes PDE and finding the general solution
- meghibbert17
- · Replies 1 ·
Graduate Solving Euler-Lagrange equation with logarithmic Lagrangian
- songhaegyo
- · Replies 4 ·
Undergrad Computer Program for Dog Chasing Rabbit
- corey2014
- · Replies 3 ·
Graduate Fourier series (maybe) of e^x from 0 to 2pi
- iceblits
- · Replies 1 ·
Graduate Inverting Laplace transform for heat equation with Neumann BCs
- chrissimpson
- · Replies 7 ·
Undergrad Integrating factors for 1st OLDE
- Square1
- · Replies 2 ·
Graduate How to Solve an ODE Problem when one of parameters is dependent to derivative?
- mahdi_zabchek
- · Replies 6 ·
Graduate Converting a 2nd order PDE with mixed derivatives to characteristic form
- aurban
- · Replies 1 ·
Graduate How to construct the measurement matrix in an extended Kalman filter
- mikedamike
- · Replies 24 ·
Graduate Kalman Filter Derivation with Non-Diagonal Q Matrix
- spirall
- · Replies 2 ·
Undergrad Why is it useful to isolate the highest order derivative when solving DEs?
- cocopops12
- · Replies 2 ·
Graduate Second order diff. eq. Frobenius
- Telemachus
- · Replies 6 ·
Graduate How to Solve a Nonlinear ODE with a Complex Threshold
- donifan
- · Replies 13 ·
Graduate Solving an ODE with eulers formula.
- cragar
- · Replies 4 ·
Graduate Solving nonlinear first order DE w/ fractional exponents
- hotwheelharry
- · Replies 3 ·
Solving for P02 using Integrating Factor?
- themurgesh
- · Replies 5 ·
Graduate No. of solutions of 1st and 2nd order ODE
- Trave11er
- · Replies 1 ·
Undergrad Solving y'=(x^2-y^2)/xy as a Bernoulli equation
- AoD
- · Replies 1 ·
Undergrad Differential Equation: d^2y/dx^2 + y = 0
- strokebow
- · Replies 1 ·