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 Functional derivative: chain rule
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MHB Finding Fixed Points for F, B, A
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Undergrad P.I of tanx and secx using Undetermined coefficients
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MHB Boundary conditions spherical coordinates
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MHB Finding Temperature in a Rectangular Plate: $\nabla^2u=0$
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Graduate Rectangular Fourier Transform and its Properties
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MHB Is the Bottom Equality in this Complex Mathematical Equation Correct?
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MHB Solving Second order non - homogeneous Differential Equation
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Graduate Is the Cauchy Equation Still Homogeneous if X is a Non-zero Function of x?
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Graduate Complex Fourier Series: Uncovering the Mystery of Different Results for x^2
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Graduate Direction of trajectory, system of DE's and portrait phase in plane phase
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Undergrad Is this a differential equation?
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Graduate C1*Ux+C2*Ut+C1*C2*Uxt=0, C1 and C2 are constant
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Graduate Particular integral of sin(ax+b)
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Graduate Why DEs are Important: Realigning the Focus of University Teaching
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High School Rearranging highschool physics equations
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Undergrad Couldn't understand the proof for Method of variation of parameters
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Graduate Doubt on P.I of [itex]e^{ax} V [/itex]
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Undergrad Differential equation of a circle
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Graduate Generalizing recursion in mapping functions
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Graduate Heat Equation with moving source
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Graduate Question on assumptions made during variation of parameters
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Graduate D'Alembert solution of wave equation with initial velocity given
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Undergrad Is this an homogeneous equation?
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Graduate Clever coordinate substitution for linear PDE
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Graduate PDE with an inequality constrain
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Graduate Segregated method for numerical solution of a PDE system
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Undergrad Assistance in checking transfer function
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Graduate What kind of differential equation is the Schrodinger equation?
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Graduate Applying shooting method to 4nd two point value boundary problem
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Undergrad Implicit differentiation vs differential equations?
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Graduate How to solve this type of differential equations?
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Undergrad Differentiating a 1st order ODE: really dumb question
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MHB Sturm-Liouiville: Why Does Integral Equal 0 or m=n?
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Graduate Attitude quaternion derivatives from Euler angular velocities
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MHB Solve Reduction of Order Legendre Polynomials Equation
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High School What Is the Meaning of 'the Argon Diagram'? Understanding Lecture Terminology
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Graduate Diffusion-type equations with Crank-Nicolson method
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Graduate System of second order linear coupled pde with constant coefficient
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Graduate Solving the Heat Equation with R Code
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MHB Converting ODE to a system of ODEs
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MHB SE Class 11 Physics Revision Notes Chapter 14 Oscillations
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Undergrad Back Euler method for 2nd order d.e
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MHB Solving Second order non - homogeneous Differential Equation
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Graduate Solution scheme for solution to PDE independent of time step
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Graduate How Can Euler-Bernoulli's Equation Be Solved Numerically Using C++?
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MHB How to start Laplace infinite domain
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Undergrad What exactly is a 2nd order differential equation?
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Graduate How to solve these type of differential equations?
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Graduate Request for Hints to solve a Non-Linear PDE
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MHB Explore Attraction Basins of Damped Double-Well Potential Model
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MHB Laplace equation polar coordinates
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MHB Solving Laplace's Equation on a $90^{\circ}$ Wedge
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Undergrad What is a differential equation and what use do they have?
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MHB Historical Origins of Riccati Equation
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MHB Solving for Roots of a Cubic Equation Using Perturbation Theory
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Graduate Transform Diff. Eq: Ordinary to More Convenient Expression
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MHB Laplace equation polar where does the ln constant come from
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Graduate Difficulties in solving following PDE
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MHB Stable spiral but math says saddle
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Undergrad Compounding interest formula going awry
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Graduate How Can Mathematica Be Used to Plot Transient Heating in a Slab?
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Undergrad Why Does the dy Disappear When Solving Differential Equations?
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Undergrad Can't finish a Laplace Initial Value Problem.
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Graduate Differential Equations - Mixture in an overflowing tank
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MHB Solving the Heat Equation with Initial Conditions
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MHB Solving Laplace's Eq with Mixed BCs
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Undergrad Laplace Transform of squared trig functions help?
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MHB Solving the Heat Equation with B.C. and I.C.
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MHB Closed form solution for large eigenvalues
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MHB Why is alpha mentioned in the cooling process equation?
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Graduate Can This Integral Be Solved Using an Integrating Factor?
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MHB Solve Laplace Eqn W/Derivative Boundary Condition
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Undergrad How do I find percentage of a substance in a mixture?
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Graduate Riccati Equation. Unsure what substitution to use
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Graduate Have You Seen This PDE Before?
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Undergrad How to find f'(0) from a left handed limit? (multiple questions)
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MHB Setting up IC & BC for Steel Carburization
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Graduate How do Lie symmetries help find canonical coordinates in ODEs?
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MHB Non-Dimensionalizing PDE with Variable Scaling
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Graduate How to go about solving this first-order nonlinear differential equation?
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Graduate Need help solving functional analysis problem
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Undergrad How do they derive from equation A to B?
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MHB Analyze Stability of Mathieu's Equation w/ Perturbation Method
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Undergrad Understanding the Ramp Function: Gate Function and Unit Step Explained"
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Graduate How do I solve a PDE of this form
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MHB Diffusion Equation Invariant to Linear Temp. Transform
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Graduate Existence of divergent solutions to system of ODEs
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MHB Orthogonality of Eigenfunctions of Mixed Boundary Conditions
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MHB Real and Complex Solutions for Linear System with 2x2 Matrix
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Undergrad Understanding the role of e in continuous growth and decay: A visual approach
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Graduate Solving y'' + 2xy' + (1+x2)y = 0
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Graduate Conjugation of Complex Functions in Partial Differential Equations
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MHB Analysis of Shock Formation from Traffic Light Red Signal
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MHB Characteristics and Initial Density Distribution in Traffic Flow Wave Equation
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MHB Solving the Quasi-Linear 1-D Wave Equation
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Graduate First Order Differential Equation with Reflected Argument
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Graduate Summation Notation for Weak form of Differential Equation
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MHB How do we handle a change in variable for the method of characteristics?
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Graduate What is wrong with my Laplace Transform inversion for y''+13y'-4y = 3exp(-t)?
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