Differential Equations Forum

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Join in expert discussion on differential equation topics like ODE and PDE. Differential equations are an equation involving derivatives of a function or functions.
Calculating the Age of a Fossil Using Radioactive Decay: A Quick Guide
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Proving a Solution of \[u_{tt} - c^2 u_{xx} = 0\]
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Solve Differential Eq.: dy/dx= 1/(xy+x^2y^3)
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How do I prove the homogeneity of a function of degree n?
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Dynamical systems proof - nonwandering set
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Integrating Population Differential Equation: Need Help!
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Why Does Hooke's Law Favor Cosine Over Exponential Functions?
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Deriving the Exact Solution of the Schlichting ODE for Laminar Jet Flow
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Solving Heavy ODE System to Compute Round Jet Near Field
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How Can I Solve the Beam Equation using PDEs and the Frequency Domain?
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Difference between a differential, dx, and the change in a variable, delta x?
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Solving the Differential Equation
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How Can I Solve Differential Equations Using Provided Web Code?
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Why Use Power Series for Schrödinger Equation Solutions?
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What methods can be used for finding a quadratic curve?
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Constant or variable coefficient?
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Symplectic runge kutta for hamiltonian system
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Differential Equations - Video Lectures
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Forced vibrations w/ damping problem
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Existence of solution in Sturm-Liouville DE
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Losing a solution of a 1st order ODE?
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How do you solve a nonhomogeneous second order ODE with a cosine function?
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Find Singular Solution to dy/dx=x(1-y^2)^(1/2)
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Are All Eigenvalues of This Fourth-Order Eigenvalue Problem Real?
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Solve Eigenvalue Problem for ODE: Find Eigenvalue & Eigenfunctions
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Inverse Rotation Function Question
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What is the uniqueness of solutions for linear equations at x=0?
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Solving ODE with Paper and Pencil: xy^2 - y = \frac {dy} {dx}
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Solve Wronskian Problem: Find g(t) from f(t)=t
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Learn Runge-Kutta for Solving Differential Equations
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Solution for the Differential Equation
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Designing a Damped Pendulum with a Forcing Function for Timekeeping
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Is My Method of Getting Green's Function Solutions Wrong?
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Solving Integral Equation: \phi(s) from y(s)
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Can Green Functions Help Solve Differential Equations?
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Easy way to demonstrate the accuracy of Euler's Method
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Problem with Complex Second Order Equations
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How do I solve complex differential equations involving velocity and time?
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What Distinguishes Exact from Inexact Differentials in Thermodynamics?
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Best Books for Ordinary Differential Equations
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Indicial equation to Legendre's equation
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Why Does the Laplacian Operator Differ for Functions of Space and Time?
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Another question dealing with Frobenius method
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Symmetry Analysis of Partial Differential Equations
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Why does F'(x-ct) equal Dy/Dx in the wave equation for a string?
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Differentiate both sides with respect to x
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Is There a Theorem Relating Exponential and Trigonometric Functions?
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Frobenius method with imaginary powers
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Understanding differential equations backwards
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Helping out a friendor at least trying to
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Linear ODE Systems in Numerical Methods.
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Can this equation be solved analytically?
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What Should a 16-Year-Old Aspiring Astrophysicist Learn Next?
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O: How to solve a 4th order non linear ODE using power series?
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Understanding Euler's Method & Estimating Area Enclosed
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Solving a Rocket Sled Problem: Acceleration, Velocity and Time
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Differentiation of fractional and negative powers
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Linear Differential Equations in Kinematics
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Falling Bodies with air resitance
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What is the Length Integral Problem at Point (1,1)?
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Need Help - Exact Integrating Factor?
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Is Separation of Variables a Valid Method for Reducing PDEs to ODEs?
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Preparing for Differential Equations: Tips for John in PDX
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What Does Differentiating Both Sides as Integrals of the Upper Limits Mean?
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How do I use the Laplace Transform to solve for the integral of sin ax?
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Solving Euler Equation for X^m (m^2 + 1)^2 = 0
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Linear ode with variable coefficient
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How Does Convolution Theory Apply to Inverse Laplace Transforms?
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How Do You Apply Boundary Conditions to Solve a Separable PDE in a Strip?
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Tangent ProblemIts givin me a really really bad headache
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Solving Differential Equations to Solving 1/y' = (1/y)+(1/x)
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What Is an Attracting Heteroclinic Cycle in a 3D Population Model?
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Solving a System of Differential Equations
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What Methods Can Be Used to Solve Coupled First Order PDEs?
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Sturm Liouville and Self Adjoint ODEs
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How can I find the equilibrium points for a competing species model?
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How Does the Solution of y' = 1/(1+x^2+y^2) Behave as x Approaches Infinity?
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Solving Diff Equation: y'' + ln(y) = yx
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A few problems with the operator method .
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Prove Uniqueness of DE General Method
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Understanding Heaviside Step Function - Explained with Examples
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Velocity of the solution of a diff. eq.
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Solving a Linear Differential Equation
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Solving Ropewalk Equations - Help from Niko
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Homework help with mixture problem
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System of differential equations - a big problem solving it
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Solve Exact Equation: x dy-(2xe^x-y+6x^2) dx = 0
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Solve X'+2X'+(\lambda-\alpha)X=0 | Chris Struggling
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Need some help with nonlinear integration
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Solving by seperation of variables.
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What is the Meaning of the Differential?
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Torricelli's Theorem: Flow Rate from Containers
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Nonlinear coupled differential equation
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Solutions of D.E - Bessel Function
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Solving 2nd Order ODE: r\ddot\theta-g\sin\theta=0
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Solving a Tricky Differential Equation Problem with Anton
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Ok, need a little help in a couple of areas (2nd order w/forcing terms)
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Solve Integration Problem: ∫x^3/(x^2+1)^(3/2) dx
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Need help with nonlinear 2nd order DE
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Crazy optimization/Lagrange questino
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