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 Where does one start with differential equations?
- superduckdude
- · Replies 5 ·
Graduate Convolution Proof of time scaling property
- woohs1216
- · Replies 4 ·
Graduate Conceptual trouble with derivatives with respect to Arc Length
- admbmb
- · Replies 1 ·
How to solve a differential equation using substitution?
- find_the_fun
- · Replies 9 ·
Undergrad Runge Kutta for 4 coupled differential equations
- UberG
- · Replies 3 ·
Graduate 2nd order, linear, homogeneous proof
- MathewsMD
- · Replies 3 ·
Graduate Numerical solution of a differential equation with time dependent terms
- Carlos Criollo
- · Replies 5 ·
Solving Substitution Steps: Examples Explained
- find_the_fun
- · Replies 4 ·
Undergrad Log Linearization: A Step-By-Step Guide
- thegodfather
- · Replies 1 ·
Graduate Solving for nonlinear 2nd order DE
- MathewsMD
- · Replies 4 ·
Solving Exact Diff. Eq: (5x+4y)dx+(4x-8y^3)dy=0
- find_the_fun
- · Replies 9 ·
Exact equation with trig function
- find_the_fun
- · Replies 1 ·
Graduate Inverse Laplace transform with p^-1 and exponential
- kewei chen
- · Replies 2 ·
Graduate 2nd order DE w/ various solutions
- MathewsMD
- · Replies 5 ·
Graduate Solve Integral & Bernoulli Diff Equation: Step-by-Step Guide
- Calculuser
- · Replies 1 ·
Graduate How to Optimize a 2D Nonlinear Heat Conduction Solver in MATLAB?
- range.rover
- · Replies 1 ·
Graduate Rearrange equation (solution of ODE)
- Juggler123
- · Replies 5 ·
Undergrad Is the Derivative of a Function a Differential Equation?
- rakeru
- · Replies 6 ·
Is my vertical component calculation correct?
- Dethrone
- · Replies 1 ·
Graduate Integral of a unit step function difference over t²
- sinaphysics
- · Replies 2 ·
Extension of Spring from Mass of 50N
- Dustinsfl
- · Replies 3 ·
Graduate Homogeneous 2nd Order DE from spring pendulum
- DavitosanX
- · Replies 1 ·
Recommend books for dynamical systems?
- nacho-man
- · Replies 3 ·
Graduate Perron method: proving maximum to be subharmonic
- 4real4sure
- · Replies 2 ·
Graduate On nonlinearity parameter in Nonlinear Schrodinger Equation (NLS)
- vijay0
- · Replies 1 ·
Graduate Helmholtz equation and Multislice approach
- eoghan
- · Replies 1 ·
Graduate Final velocity of a rocket launching to space
- ellipsis
- · Replies 5 ·
Undergrad Is there a connection between cross product and determinant?
- kidsasd987
- · Replies 2 ·
Solving xy'' + y' + xy = 0 to get Bessel function
- frank1234
- · Replies 2 ·
Graduate Integrating sine where argument goes to infinity.
- sreerajt
- · Replies 4 ·
Natural frequency of a crane dropping a car
- Dustinsfl
- · Replies 3 ·
Get the right answer but intermediate steps may be wrong
- find_the_fun
- · Replies 1 ·
Graduate Partial differential - difference of opinion
- Roodles01
- · Replies 2 ·
Graduate Second derivative of an autonomous function
- MathewsMD
- · Replies 1 ·
What is "identical to" operator?
- find_the_fun
- · Replies 6 ·
Graduate Is the Boundary Value Problem affected by shear force or moments?
- Nusc
- · Replies 9 ·
Graduate Solving ∂ₓFₓ + ∂ᵧFᵧ = g(x,y) for F
- matt_crouch
- · Replies 4 ·
Undergrad Change order between integral and differential calculation
- micheal9000
- · Replies 1 ·
Graduate Proving a piecewise function is continuous at sin(c) = cos(c)
- Unusualskill
- · Replies 1 ·
Natural frequency of a pendulum being lowered at 2m/s
- Dustinsfl
- · Replies 4 ·
Graduate Schlaefli integral satisfies Legendre equation
- stephenkeiths
- · Replies 1 ·
Graduate Solving Nonlinear Differential Equations
- e2m2a
- · Replies 7 ·
Application of existence and uniqueness theorem
- find_the_fun
- · Replies 1 ·
Solving y'' = 2ay³ - (a+1)y with initial conditions
- frank1234
- · Replies 2 ·
Calculating Time for Iodine 131 to Decay to 5% of Initial Dose
- Pikachu1
- · Replies 1 ·
Graduate Obtaining recurrence relation from a given sequence
- mnb96
- · Replies 2 ·
Solve 1st-Order ODE: Chicken in 375° Oven
- find_the_fun
- · Replies 1 ·
Solving (dy/dx)² = (ay⁴)/2 - (a+1)y² + 1 with y(0)=0, y'(0)=1
- frank1234
- · Replies 1 ·
Graduate Solving r²(dT/dr)+BrT=T² with substitution λ=T/r
- leomclaughlin
- · Replies 1 ·
How Can I Solve This Second Order Linear ODE Problem?
- danthatdude
- · Replies 5 ·
Graduate Can I Use E-L Equations When Parametrizing by Arclength on a Sphere?
- Blazejr
- · Replies 2 ·
Graduate How do I accurately measure error in my n-body simulation?
- DivergentSpectrum
- · Replies 3 ·
Find specific solution to IVP with two parameters
- find_the_fun
- · Replies 5 ·
Find Spring Constant \(k\) & Mass \(m\) for Natural Frequency
- Dustinsfl
- · Replies 2 ·
Undergrad What Would a Constant-G Roller Coaster Loop Look Like?
- curiousnoncat
- · Replies 2 ·
How Do You Calculate This Indefinite Integral in a First Order Linear ODE?
- Naincy
- · Replies 11 ·
Graduate Perturbation method for Duffing-type equation with cubic nonlinearity
- Johnmm
- · Replies 11 ·
How to tell if a function's derivative is always positive?
- find_the_fun
- · Replies 3 ·
Graduate Periodic Solution to Differential Equation
- rosogollah
- · Replies 1 ·
Eigenfunction expansion with chebyshev
- nacho-man
- · Replies 8 ·
Solving Regular Singularities with Frobenius Expansion: Series Solution Question
- nacho-man
- · Replies 10 ·
Undergrad Where does the Laplace Transform come from?
- paradoxymoron
- · Replies 13 ·
Graduate Solving the N Body Problem with RK4: Verification & Convergence
- DivergentSpectrum
- · Replies 2 ·
Graduate Solving the N-Body Problem: Is it Possible?
- fando1234
- · Replies 7 ·
Graduate Why are advanced finite-element methods not more popular?
- Hologram0110
- · Replies 10 ·
Graduate Why neglect higher-order terms in Taylor expansion of g(x) for Dirac delta
- sinaphysics
- · Replies 1 ·
Graduate Solution of diffusion equation with three independent variable (r,z,t)
- nazmulislam
- · Replies 2 ·
Domain & Interval of Solution for y=x+4\sqrt{x+2}
- find_the_fun
- · Replies 3 ·
Graduate Helmholtz in spherical co-ordinates - Boundary Conditions
- Gwinterz
- · Replies 3 ·
Undergrad Is the Differential Equation (y^2 - 1)*dx/dy + x = 0 Linear?
- RiceKernel
- · Replies 2 ·
Graduate Why Does the Solution of Underdamped Systems Include a Sine Term?
- tomizzo
- · Replies 1 ·
Undergrad Why normalize equations when solving numerically?
- GabDX
- · Replies 3 ·
Graduate Derivation of solution to ∂α/∂t = G[α](a' - a)
- Lyndz
- · Replies 4 ·
Definition of differential equation
- find_the_fun
- · Replies 3 ·
Struggling with Advanced ODEs? Here's Some Guidance and Recommended Texts!
- nacho-man
- · Replies 7 ·
Undergrad Linear first order differential equation with unknown function
- DMT69
- · Replies 5 ·
What kind of motion will the body do?
- mathmari
- · Replies 8 ·
Graduate Linear equations with varying coefficients
- V0ODO0CH1LD
- · Replies 1 ·
Graduate Stability of linearly perturbed linear nonautonomous system
- dmytro
- · Replies 1 ·
Help understanding the adjoint equation
- nacho-man
- · Replies 3 ·
Graduate Differential equation for projectile
- Feeh
- · Replies 2 ·
What are the integral curves of vector field V?
- Aryth1
- · Replies 1 ·
Undergrad What is the Definition of a Linear ODE?
- JeweliaHeart
- · Replies 4 ·
Graduate 'Mean Aversion' in Stochastic Differential Equations
- Apogee
- · Replies 6 ·
Graduate Eigenfunctions of Laplace Transform
- Whovian
- · Replies 2 ·
Obtaining Differential Equations with Solution
- cheatmenot
- · Replies 4 ·
Compute Discrete Time Fourier Transform
- nacho-man
- · Replies 1 ·
Graduate Why does the second shifting theorem require u(t-a)?
- asitiaf
- · Replies 2 ·
Book Recommendation for Ordinary Differrential Equations.
- caffeinemachine
- · Replies 3 ·
Laplace Transform, Finding solution: y′′+4y′+4y=f(t)
- jakejakejake
- · Replies 1 ·
Graduate Questions about linear differential equations
- V0ODO0CH1LD
- · Replies 13 ·
Graduate Define boundary conditions of a polygon in a unit square cell
- tomallan
- · Replies 2 ·
Graduate Solution of differential equation with Dirac Delta
- SarthakC
- · Replies 2 ·
Graduate Solving an Initial Value Problem with a Sinusoidal Differential Equation
- JamesGoh
- · Replies 4 ·
Graduate Coupled equation transformation
- mikengan
- · Replies 1 ·
Graduate Steady state heat equation:-((∂^2 T)/(∂x^2 )+(∂^2 T)/(∂y^2 )=-Q(x,y)
- range.rover
- · Replies 2 ·
Constructing transfer block function
- nacho-man
- · Replies 1 ·
Graduate Is There a Function G Such That G_x Equals -F_y and G_y Equals F_x in R?
- Medicol
- · Replies 3 ·
Graduate Function whose Fourier transform is Dirac delta
- papernuke1
- · Replies 5 ·
Graduate Why are Sturm-Louville Functions Orthogonal Relative to a Weight Function?
- member 428835
- · Replies 8 ·