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
How to Solve This ODE with Substitution?
- jasonmcc
- · Replies 2 ·
Partial DE-separation of variables
- emily600
- · Replies 2 ·
Undergrad Derive equation with a multiplier and constant
- TMonkey
- · Replies 3 ·
How Does the Interval Affect the Unique Solution of an Initial Value Problem?
- find_the_fun
- · Replies 1 ·
How to Find Constants for the IVP Solution?
- find_the_fun
- · Replies 3 ·
Equilibrium solution limit to differential equation
- Vishak95
- · Replies 5 ·
Numerical solution of partial differential equation
- Suvadip
- · Replies 1 ·
Graduate What is an 'impulsive forcing term'?
- mesa
- · Replies 3 ·
Graduate How Do You Find the First Integral of This System of Differential Equations?
- LBJking123
- · Replies 10 ·
Is the answer key wrong for this exact equation?
- find_the_fun
- · Replies 5 ·
Initial value problem for exact equations
- find_the_fun
- · Replies 2 ·
How can I use variable transformation to obtain a solution for this ODE?
- Dustinsfl
- · Replies 12 ·
Graduate How Can Non-Linearity in Damping and Spring Stiffness Be Modeled?
- SondreST
- · Replies 2 ·
Undergrad How to Integrate ∫(e^2lnx)(10x)dx?
- Wonderland
- · Replies 14 ·
Undergrad Differential equation with repeated roots
- hops1
- · Replies 18 ·
Getting term repeated extra time
- find_the_fun
- · Replies 2 ·
Finding explicit maximal solution of an IVP using Exact Diff Eqs
- nathancurtis111
- · Replies 6 ·
Graduate Solve Grad Shafranov Equation using Finite element method?
- adwiteeymauri
- · Replies 2 ·
Initial value problem with lots of constants
- find_the_fun
- · Replies 1 ·
Why is There No Solution for the Harmonic Oscillator with \(k = k_m\)?
- Dustinsfl
- · Replies 1 ·
Why Isn't y Treated as a Constant in the Product Rule?
- find_the_fun
- · Replies 4 ·
How to Solve Inhomogeneous Differential Equations via Expansion?
- Dustinsfl
- · Replies 7 ·
How do you rewrite this equation in standard form?
- find_the_fun
- · Replies 8 ·
Solve 2nd Order Inhomogeneous ODE: Kartika's Q on Yahoo Answers
- MarkFL
- · Replies 1 ·
Undergrad Solution of an Ordinary Differential Equation
- controlswhiz
- · Replies 1 ·
Finding a value for a y(0) = a in a IVP
- nathancurtis111
- · Replies 3 ·
Longitudinal excitation of a sine wave
- Nino1
- · Replies 1 ·
Diagnosing an Error in my String Wave Solution
- Dustinsfl
- · Replies 2 ·
Integrating on an infinite domain
- Dustinsfl
- · Replies 3 ·
Graduate Parameterization for method of characteristics
- perishingtardi
- · Replies 1 ·
Graduate Using Z transforms to solve difference equations.
- Uan
- · Replies 1 ·
Graduate Forcing IFFT to start/end at 0 value
- swraman
- · Replies 7 ·
Graduate Can a basic knowledge of perturbation theory solve this?
- ozone
- · Replies 6 ·
Graduate Numerical solution of partial differential equations
- nbann5000
- · Replies 1 ·
ODE for a forced, undamped oscillator.
- skate_nerd
- · Replies 7 ·
Getting wrong answer to differential equation (first order separable ODE)
- find_the_fun
- · Replies 9 ·
Therefore, $M$ travels 24 units before being caught by $N$.
- dearcomp
- · Replies 8 ·
First Order Non-Linear Ordinary D.E.
- dearcomp
- · Replies 7 ·
Dividing vs Subtracting to Solve Equations w/1 Variable
- find_the_fun
- · Replies 2 ·
Undergrad Assumptions about particular solutions
- leehufford
- · Replies 3 ·
Solve by separation of variables
- find_the_fun
- · Replies 5 ·
Solving a Separable Equation: What Went Wrong?
- find_the_fun
- · Replies 1 ·
Solve 4th Order Linear ODE and Plot Graph: t→∞
- alane1994
- · Replies 3 ·
Graduate Solving a First Order Linear PDE
- sagigirl
- · Replies 1 ·
Find a Particular Solution y_p for 2nd Order ODE at Yahoo Answers
- MarkFL
- · Replies 1 ·
Undergrad How Do Multiple Solutions to a Differential Equation Work?
- oneamp
- · Replies 3 ·
Graduate Mathematical Physics: Bessel functions of the first kind property
- M. next
- · Replies 1 ·
Graduate Is Helmholtz equation a Poisson Equation?
- yungman
- · Replies 7 ·
Graduate Numerical solution to stationary viscous flow with a Darcy term
- Irid
- · Replies 14 ·
Graduate Proving a set of functions is orthogonal
- ainster31
- · Replies 6 ·
Determine the Number of Real Roots
- anemone
- · Replies 2 ·
Graduate Series solutions near a singular point, 2nd order linear
- Gridvvk
- · Replies 2 ·
Graduate Finding Limit t->0: H'(r) and τ(r)
- urbanist
- · Replies 2 ·
How to know if there's an explicit solution for differential equation
- find_the_fun
- · Replies 2 ·
MCK's questions at Yahoo Answers regarding an inexact ODE
- MarkFL
- · Replies 1 ·
Why are there 2 cosines used in the general solution for this domain?
- Dustinsfl
- · Replies 1 ·
First Order Nonlinear Ordinary Differential Equation
- Chipset3600
- · Replies 10 ·
Understanding the Heat Equation: What Does $T_j^n$ Represent?
- nacho-man
- · Replies 6 ·
Graduate 1st order, nonhomogeneous, linear DE - particular solution
- economicsnerd
- · Replies 3 ·
Undergrad How to determine the isotherms of given temperature field?
- Megatron16
- · Replies 5 ·
Graduate Bessel Functions: Knowing 1st Kind vs Neumann & Order
- ineedhlp
- · Replies 1 ·
John's Implicit Diff Q&A: Horiz/Vert Tangents at Yahoo! Answers
- MarkFL
- · Replies 1 ·
Graduate Is ψ(t,0,0) = sin(2πt) a Solution to This Differential Equation?
- DaVikes84
- · Replies 1 ·
Graduate Five point scheme Finite Difference Method
- sigh1342
- · Replies 1 ·
Mike's question at Yahoo Answers regarding reduction of order
- MarkFL
- · Replies 1 ·
Graduate Solving Heat Equation by Fourier Transform
- HAMJOOP
- · Replies 2 ·
Graduate Delta function and derivative of function wrt itself
- Trave11er
- · Replies 3 ·
Finding the Value of a Compounded Annuity Fund
- alane1994
- · Replies 3 ·
Solving Heat Flow in a Rod: Initial & Boundary Conditions
- Dustinsfl
- · Replies 1 ·
Number of Real Solutions to Cosine System Between 0 and 2π
- eddybob123
- · Replies 1 ·
Change of variables heat equation
- Dustinsfl
- · Replies 2 ·
Solving for Real Numbers $a$ and $b$ in $f(x)=\dfrac{1}{ax+b}$
- anemone
- · Replies 5 ·
Solving Initial Value Problem: \(\ln(t)+t^2y^2-\sin(y)=\pi^2\)
- alane1994
- · Replies 4 ·
Graduate Trouble with harmonic oscillator equation
- deex171
- · Replies 1 ·
Undergrad Mass Spring System: Modeling & Trajectory Analysis
- carb
- · Replies 4 ·
Solving Exercise 2 & 3 in Multivariable Calculus
- nacho-man
- · Replies 7 ·
What Properties of Fourier Series Are Revealed by This Equation Transformation?
- nacho-man
- · Replies 1 ·
Population Dynamics: Solving Differential Equations for (a), (b), and (c)
- alane1994
- · Replies 8 ·
Graduate Generalization of Comparison Theorem
- Only a Mirage
- · Replies 1 ·
Lax pair and compatibility for KdV
- Dustinsfl
- · Replies 11 ·
Graduate Proving that one solution always lies above the other
- urbanist
- · Replies 8 ·
Graduate Differential equations in the schrodinger equation.
- neptune12XII
- · Replies 1 ·
What is the compatibility condition for the given operators and constants?
- Dustinsfl
- · Replies 1 ·
Undergrad Struggling with Henri Reaction Questions for Tomorrow's Test?
- zibb3r
- · Replies 2 ·
First Order Differential Equations, given initial value....
- nuggz619
- · Replies 4 ·
Spherical Harmonics: Showing $\delta_{m,0}\sqrt{\frac{2\ell + 1}{4\pi}}$
- Dustinsfl
- · Replies 5 ·
Graduate Which solution for this DE is preferred?
- Turion
- · Replies 7 ·
Graduate Process dynamics modelling for heated tank, differential equations
- maistral
- · Replies 3 ·
Solve Parameters of Displacement Function - Raja's Question
- MarkFL
- · Replies 1 ·
When does the mass first return to its equilibrium position?
- alane1994
- · Replies 6 ·
Solving Differential Eqn to Test Paratrooper Account
- MarkFL
- · Replies 5 ·
Graduate Solve Legendre Polynomial using Method of Frobenius
- feoxx
- · Replies 3 ·
Is the Highlighted Portion a Mistake and Where Does the PI Go?
- Turion
- · Replies 3 ·
Graduate Finding a numerical value for a partial differential
- NEGATIVE_40
- · Replies 2 ·
Graduate Workbook guide +problem in Math. Phys.
- blade86
- · Replies 4 ·
Separation of variables, constant in front of term
- find_the_fun
- · Replies 9 ·
What is the general solution for a differential equation with a secant term?
- alane1994
- · Replies 2 ·
Graduate The classic second order differential equation
- M. next
- · Replies 6 ·
Graduate Bessel function of second kind with integer order.
- yungman
- · Replies 1 ·
Separation of variables, can't get y out of exponent
- find_the_fun
- · Replies 1 ·