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.
Graduate How Can Taylor Series Expansion Help Solve This Nonlinear Differential Equation?
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MHB The functions is equal to zero for x=0
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MHB Fourier Transform of Periodic Functions
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MHB How do we apply the proposition?
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MHB How Does the Lemma and Theorem Apply to $Lu=f$ in $\Omega$?
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Undergrad What Does Figure 1 Reveal About the Stability Limits of Runge-Kutta Methods?
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Graduate Obtaining Step Response for Linear Systems in Sinusoidal Frequency Domain
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Graduate How is this 'root stability' differential equation derived?
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MHB How can we improve the estimate?
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MHB Time-Discrete Odometry: Solving Complicated Equations By Hand
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MHB Can we just use a part of the boundary?
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Undergrad Problem with polar coordinates
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MHB Maximum principle for subharmonic functions
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Undergrad Can you check the solution for this second order ODE?
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Undergrad Proving Hermite polynomials satisfy Hermite's equation
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Graduate Differential equations without Green functions
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MHB Differential equations stability
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High School Can This ODE Solution f'(x)=f(2-x) Be Correctly Solved?
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Undergrad Function as a Solution to Specific Conditions
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Graduate Is There a Defined Method for Calculating Quaternion Derivatives?
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Undergrad Basic Separation of Variables problem
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Undergrad Derivative of A Def. Integral Equals Another Def. Integral?
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MHB Derivation of Euler-Lagrange equations w/ Hamilton's equations
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Undergrad Understanding Stability Regions in Numerical Methods
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Graduate Backward finite differences on higher order derivative
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MHB Show that the function equals to the zero function
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MHB Show that limit is equal to zero
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Undergrad Second order differential equation
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Undergrad Using Separation of Variables to Modify Neutron Density Diff
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Graduate Solving two simultaneous integro-differential equations
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MHB Computing the Integral of a Harmonic Function with Boundary Conditions.
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Undergrad 2nd Order Linear ODE w/ nonconstant coefficient
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Graduate Second Order Differential equation Bessel-type
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MHB Find the function at the point (0,0)
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Graduate Computing first derivative based on second derivative
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Graduate ∂ Ψ ∂ t = − i E ℏ A e i ( p ⋅ r − E t ) / ℏ = − i E ℏ Ψ
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MHB Solving Law of Mass Action Problem with X', Y', and Z
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Undergrad Sturm-Liouville Separation theorem
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Graduate Need help with a differential equation
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Undergrad Finite Element Method: Weak form to Algebraic Equations?
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High School Euler's method for second order DE
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Undergrad Solving PDE with Laplace Transforms & Inverse Lookup
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High School Private solution to a polynomial differential equation
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Undergrad RL Circuit Current: Over Time, Initial I(0)=1
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Undergrad 2° order linear, homogeneous, variable coefficients
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MHB How to Calculate Distance Traveled in Uniform Acceleration?
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Undergrad How Can Exponential Decay Reveal Initial Temperature?
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Undergrad Interval of existence and uniqueness of a separable 1st ODE
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Undergrad How to Solve the 3D Heat Equation with Limited PDE Experience?
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Graduate Wave equation in cylindrical coordinates - different expression?
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Undergrad How to Solve Large Oscillations of a Pendulum?
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Undergrad Example of a Function with Non-Equal Mixed Partial Differentials
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Undergrad What causes confusion in testing time invariance?
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Undergrad Difficulty with function dependencies f(u,x)
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Undergrad Integrating factor of (y+1)dx+(4x-y)dy=0
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MHB How to Calculate Initial Speed and Impact Speed of a Vertically Thrown Stone?
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Graduate Triple Product in Laplace Transform
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Graduate Help solving non-linear ODE analytically
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MHB Solving a Non-Exact ODE: $(y-2x^2y)dx +xdy = 0$
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MHB How Do I Solve this 2nd Order Non-Linear ODE and Find Its Equilibrium Points?
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MHB Differential Equation: Tangents & Normals to y=x^2
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Undergrad Generalized version of the Fourier Transform
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Undergrad How Do You Compute a Lipschitz Constant for a Trigonometric Function?
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Undergrad Need help with a derivative solution
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Undergrad Solving linear differential equations
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Undergrad Change of variable - partial derivative
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High School An equation from terms of operator del to terms of sums
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MHB Simple Harmonic Motion: 5kg Particle Suspended by 500 N/m String
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Undergrad I with differential equation(3x^2-2y^2)(dy/dx)=2xy
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MHB Henry's question via email about an Inverse Laplace Transform
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Graduate Imaginary time propagation to find eigenfunctions
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High School Can you reason out a differential equation using logic?
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Undergrad How Should Derivatives in Multivariable Chain Rules Be Notated?
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Undergrad First order differential equations ?
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Undergrad Unconventional Approaches for Boundary Values in Computing Wave Equations
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Graduate Periodic solutions in a mechanical system
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Undergrad Poisson Equation Neumann boundaries singularity
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Undergrad Generating polynomials for a multistep method
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Undergrad The algorithms involved in finding a solution with numerical methods
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Graduate Free damped vibration of a system of 2 dof, demostration
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Graduate Differential equation with integral
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Graduate Initial value ODE with shifting forcing function
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Graduate Numerical Solution for Complex PDE (Ginzburg-Landau Eqn.)
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Undergrad Few more numerical methods question....?
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Graduate Fourier Transform of a piecewise function
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Undergrad Differential equations and numerical methods questions
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Undergrad Which derivatives should I review for my DiffEq course?
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Graduate Looking for a Reference on Smoothers for FEA
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MHB How Do You Calculate the Speed of a Car Based on the Differentiation Equation?
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MHB Help with another separable equation
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Graduate Stability Analysis of Nonlinear Bessel-type ODE
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Graduate Tracking Micronutrients in Anaerobic Bioreactor System
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Undergrad Why do we linearise a non linear system
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Graduate Is This ODE a Bernoulli Equation and Can It Be Solved with Substitution?
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Undergrad How can I verify the solution for Poisson equation with forgotten factor?
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Undergrad Understanding the Chain Rule in Derivatives: An Analysis of MIT Lecture Video
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Graduate Partial Differential - Thermodynamics
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Undergrad What is the difference between differential equations and functions?
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Undergrad How to Approach Solving 2y+(y')^2+ax^b=0?
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Graduate Numerical solution of two coupled nonlinear PDEs
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