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.
MHB -17.2.10 y_p is a particular solution
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Undergrad What is the closed form expression for f(a,b,n)?
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MHB Solving SIR Model with Euler's Method
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Graduate Implementing a weird-looking boundary condition (PDE/FDM)
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Graduate PDE discretization for semi-infinite boundary?
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Graduate How to calculate the parabolic cylinder function D
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Undergrad Second order DE with Sine function
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Undergrad What method can be used to solve this pde?
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Graduate How Does the Bifurcation Diagram in AUTO Represent Mathematical Concepts?
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Undergrad Constructing left invariant vector fields on SO(3)
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Undergrad Simplifying Convolution Properties: Understanding the Delta Dirac Function
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MHB Limit of the solution - Which is the conclusion?
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Undergrad (Fluid Mechanics) stream function graph
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Undergrad Integrating Equation 1: Understanding the Answer
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MHB Yes, you are correct for both parts (A) and (B)!
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High School What Integral Transform is this?
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Graduate Solving Equations: Expanding Powers Explained
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Undergrad Parameterization of linear operators on the holomorphisms
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MHB Integrating Factors for Solving Linear Differential Equations
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Undergrad Wave equation solution using Fourier Transform
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Graduate Converting Partial Differential Equations to Frequency Domain
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High School Can You Find the Constant Value K for a Slowly Inflating Balloon?
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High School One Equation for multiple random curves?
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Graduate How to find a differential equation if I know its solution?
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Undergrad Characteristics of trigonometric function compositions like sin(sin(x))
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Graduate Particle in the point gravity and the Lorentz field
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Undergrad Derivation of phase change parameter in dispersive medium
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MHB Analyzing Local Behavior at x→0+ of y'+xy=1/x^3
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Graduate Inverse Laplace transform of a piecewise defined function
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Undergrad The fractional derivative operator
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High School Is the theory of fractional-ordered calculus flawed?
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High School Solve x=Asin(ct) and y=Bsin(dt) for the period of the system of two equations
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MHB -9.3.15 A tank contains 200 gal of fresh water
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High School First Order Non-Linear ODE (what method to use?)
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Undergrad Finding eigenvalues for 4 DOF system
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Undergrad Maximum tangential velocity from maximum linear velocities
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MHB Trouble understand IVT, FVT, unit step input.
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Undergrad What methods other than Taylor Series to solve this eq?
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Undergrad Help Solving an Equation with a Boundary Condition
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Undergrad Differential equation of all the conics in the plane
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Undergrad Lambert's Law differential equation
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MHB Using the Modulus to find a variable - to find co-ordinates
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Undergrad Ideal Gas Law and Differentiation
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Graduate Can you solve (a-bx)y'+(c-dx)y-e=0 with a,b,c,d,e constants?
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Undergrad Solve Nonlinear DE: Friedmann Eqns for H 0-10^7
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Undergrad Classification of differential equation
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Undergrad Solving Poisson's Equation Using Finite Difference
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Undergrad What differential equations need to be solved more quickly?
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Undergrad Following an example. Implies L{2du/dt+1}=2s+1. I'm Confused.
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Graduate Verifying Buckling Solution with NDSolve/DSolve
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Undergrad How to find the integrating factor? (1st order ODE)
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MHB -242.7x.13 Solve the DE \dfrac{dy}{dx}=7x^6e^{-y}
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Undergrad Does f(x,y) = dy/dx or f'(x) in Mathematical Function Notation?
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Undergrad PDE Heat Equation Solution with Homogenous Boundary Conditions | PF Discussion
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Undergrad Analyzing a 2nd Order Non-Linear ODE with Variable Substitution
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Undergrad Difference between Wronskian and other methods
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Graduate I need some help with the derivation of fourth order Runge Kutta
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Graduate Exact solution to Poisson equation in 2D
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MHB What is the Differentiation Challenge?
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MHB Show that the function is the solution
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MHB Uniqueness of Solution for $\Delta u=0$ in a Ball with Boundary Condition $\phi$
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MHB Questions about proof of theorem
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Undergrad How to invert unit step function?
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Graduate Solve DE for theta component (hydrogen WF)
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Undergrad Solve 2*C*sin(W)+P*cos(N*W)=P for W
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Graduate Solve DE: m, h, E, Z, t, k, a (1-4)
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Undergrad Can a phase space be subject to change, and if so, what are the implications?
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Graduate How do i perform differentiation over summation?
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Graduate Parameter sensitivity analysis for nonlinear system
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Undergrad Dirac Delta using Fourier Transformation
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Undergrad Solution of an ODE in series Frobenius method
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Undergrad Calculating the Convolution Integral for General Math Community
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Undergrad A question about boundary conditions in Green's functions
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Graduate Remembering Special Function Equations....
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MHB How Do We Get the Last Two Relations in the Mean Value Proposition Proof?
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Undergrad Euler-Lagrange Equation Q: Where Does 2mr˙r˙θ Come From?
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Insights Partial Differentiation Without Tears - Comments
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MHB Are These Equations for Particle and Wedge Dynamics Correct?
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MHB Proving |PR|=3|RQ|: Two Particles Collide
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Undergrad Wavevector k in Helmholtz Equation
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High School Elementary question on integrating an equation
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Undergrad A somewhat conceptual question about Green's functions
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Undergrad Fourier transform of the components of a vector
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MHB 2 Differential Equations by Substitution
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MHB Solving for Tension of Inextensible String System
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Undergrad 2nd order differential equation problem with sin(theta)
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Undergrad Can Nonlinear Equations be Linearized Using Free Parameters?
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MHB -206.q3.2 method of integrating factor
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Undergrad Linear independence of functions
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Undergrad BVP vs IVP when solving for eigenvalues
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High School How Do Jacobi Elliptic Functions Solve Nonlinear Differential Equations?
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MHB Pole shifting for Fourier transform
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Graduate FEM for Solving PDEs: Beginner Textbooks & Fluid Flow
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MHB Applying the Chain Rule to Derive Solutions of the Heat Equation
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MHB Show that the function is a solution of the equation
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Undergrad How to solve the two following differential equations?
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Undergrad Constant solution and uniqueness of separable differential eq
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Undergrad Express x in terms of the constants
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High School Separation of variables - rocket equation
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MHB Solve Diff. Eq. for g(x) w.r.t f(x) & c
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