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
Undergrad Exponential decay: I need an expression for N at time t
- Jehannum
- · Replies 6 ·
Undergrad Lagrange Pendulum Equation of Motion
- Andrew Deleonardis
- · Replies 5 ·
-17.2.53 Find the unique solution from initial conditions.
- karush
- · Replies 5 ·
-17.2.10 y_p is a particular solution
- karush
- · Replies 7 ·
Undergrad What is the closed form expression for f(a,b,n)?
- MAGNIBORO
- · Replies 7 ·
Solving SIR Model with Euler's Method
- tomc612
- · Replies 7 ·
Graduate Implementing a weird-looking boundary condition (PDE/FDM)
- maistral
- · Replies 8 ·
Graduate PDE discretization for semi-infinite boundary?
- maistral
- · Replies 3 ·
Graduate How to calculate the parabolic cylinder function D
- BiGyElLoWhAt
- · Replies 12 ·
Undergrad Second order DE with Sine function
- Figaro
- · Replies 6 ·
Undergrad What method can be used to solve this pde?
- MAGNIBORO
- · Replies 7 ·
Graduate How Does the Bifurcation Diagram in AUTO Represent Mathematical Concepts?
- member 428835
- · Replies 3 ·
Undergrad Constructing left invariant vector fields on SO(3)
- Mikeey aleex
- · Replies 3 ·
Undergrad Simplifying Convolution Properties: Understanding the Delta Dirac Function
- OmniNewton
- · Replies 2 ·
Limit of the solution - Which is the conclusion?
- mathmari
- · Replies 5 ·
Undergrad (Fluid Mechanics) stream function graph
- DoctorCasa
- · Replies 1 ·
Undergrad Integrating Equation 1: Understanding the Answer
- humphreybogart
- · Replies 3 ·
Yes, you are correct for both parts (A) and (B)!
- mathdad
- · Replies 2 ·
High School What Integral Transform is this?
- batoulsy
- · Replies 2 ·
Graduate Solving Equations: Expanding Powers Explained
- AT36
- · Replies 3 ·
Undergrad Parameterization of linear operators on the holomorphisms
- Whiteboard_Warrior
- · Replies 1 ·
Integrating Factors for Solving Linear Differential Equations
- mahmoud shaaban
- · Replies 1 ·
Undergrad Wave equation solution using Fourier Transform
- leo.
- · Replies 2 ·
Graduate Converting Partial Differential Equations to Frequency Domain
- Radel
- · Replies 1 ·
High School Can You Find the Constant Value K for a Slowly Inflating Balloon?
- Pin Head
- · Replies 1 ·
High School One Equation for multiple random curves?
- mieral
- · Replies 2 ·
Graduate How to find a differential equation if I know its solution?
- jonjacson
- · Replies 18 ·
Undergrad Characteristics of trigonometric function compositions like sin(sin(x))
- ddddd28
- · Replies 6 ·
Graduate Particle in the point gravity and the Lorentz field
- zwierz
- · Replies 1 ·
Undergrad Derivation of phase change parameter in dispersive medium
- VittorioT
- · Replies 1 ·
Analyzing Local Behavior at x→0+ of y'+xy=1/x^3
- meenums34
- · Replies 1 ·
Graduate Inverse Laplace transform of a piecewise defined function
- cg78ithaca
- · Replies 5 ·
Undergrad The fractional derivative operator
- Kumar8434
- · Replies 2 ·
High School Is the theory of fractional-ordered calculus flawed?
- Kumar8434
- · Replies 6 ·
High School Solve x=Asin(ct) and y=Bsin(dt) for the period of the system of two equations
- SSGD
- · Replies 5 ·
-9.3.15 A tank contains 200 gal of fresh water
- karush
- · Replies 7 ·
High School First Order Non-Linear ODE (what method to use?)
- Apothem
- · Replies 4 ·
Undergrad Finding eigenvalues for 4 DOF system
- Sirsh
- · Replies 2 ·
Undergrad Maximum tangential velocity from maximum linear velocities
- jumbo1985
- · Replies 12 ·
Trouble understand IVT, FVT, unit step input.
- vysero
- · Replies 3 ·
Undergrad What methods other than Taylor Series to solve this eq?
- Archie Medes
- · Replies 7 ·
Undergrad Help Solving an Equation with a Boundary Condition
- FranciscoSili
- · Replies 1 ·
Undergrad Differential equation of all the conics in the plane
- Michii
- · Replies 5 ·
Undergrad Lambert's Law differential equation
- dgoncha
- · Replies 1 ·
Using the Modulus to find a variable - to find co-ordinates
- Lytk
- · Replies 2 ·
Undergrad Ideal Gas Law and Differentiation
- Siddharth Rajvanshi
- · Replies 3 ·
Graduate Can you solve (a-bx)y'+(c-dx)y-e=0 with a,b,c,d,e constants?
- JanisEB
- · Replies 2 ·
Undergrad Solve Nonlinear DE: Friedmann Eqns for H 0-10^7
- shinobi20
- · Replies 1 ·
Undergrad Classification of differential equation
- volican
- · Replies 1 ·
Undergrad Solving Poisson's Equation Using Finite Difference
- aaaa202
- · Replies 1 ·
Undergrad What differential equations need to be solved more quickly?
- want2graduate
- · Replies 7 ·
Undergrad Following an example. Implies L{2du/dt+1}=2s+1. I'm Confused.
- james_a
- · Replies 1 ·
Graduate Verifying Buckling Solution with NDSolve/DSolve
- Aladdin123
- · Replies 1 ·
Undergrad How to find the integrating factor? (1st order ODE)
- hellotheworld
- · Replies 2 ·
-242.7x.13 Solve the DE \dfrac{dy}{dx}=7x^6e^{-y}
- karush
- · Replies 11 ·
Undergrad Does f(x,y) = dy/dx or f'(x) in Mathematical Function Notation?
- darkdave3000
- · Replies 18 ·
Undergrad PDE Heat Equation Solution with Homogenous Boundary Conditions | PF Discussion
- member 428835
- · Replies 6 ·
Undergrad Analyzing a 2nd Order Non-Linear ODE with Variable Substitution
- member 428835
- · Replies 2 ·
Undergrad Difference between Wronskian and other methods
- Mr Davis 97
- · Replies 8 ·
Graduate I need some help with the derivation of fourth order Runge Kutta
- ATY
- · Replies 10 ·
Graduate Exact solution to Poisson equation in 2D
- hikari1987
- · Replies 1 ·
What is the Differentiation Challenge?
- Theia
- · Replies 7 ·
Show that the function is the solution
- evinda
- · Replies 5 ·
Uniqueness of Solution for $\Delta u=0$ in a Ball with Boundary Condition $\phi$
- evinda
- · Replies 17 ·
Questions about proof of theorem
- evinda
- · Replies 1 ·
Undergrad How to invert unit step function?
- fahraynk
- · Replies 1 ·
Graduate Solve DE for theta component (hydrogen WF)
- Andrew Deleonardis
- · Replies 3 ·
Undergrad Solve 2*C*sin(W)+P*cos(N*W)=P for W
- SSGD
- · Replies 6 ·
Graduate Solve DE: m, h, E, Z, t, k, a (1-4)
- OneByBane
- · Replies 3 ·
Undergrad Can a phase space be subject to change, and if so, what are the implications?
- bahamagreen
- · Replies 3 ·
Graduate How do i perform differentiation over summation?
- mahmud_dbm
- · Replies 4 ·
Graduate Parameter sensitivity analysis for nonlinear system
- Rahul Shenoy
- · Replies 2 ·
Undergrad Dirac Delta using Fourier Transformation
- arpon
- · Replies 3 ·
Undergrad Solution of an ODE in series Frobenius method
- Caglar Yildiz
- · Replies 1 ·
Undergrad Calculating the Convolution Integral for General Math Community
- kaniello
- · Replies 19 ·
Undergrad A question about boundary conditions in Green's functions
- BiGyElLoWhAt
- · Replies 1 ·
Graduate Remembering Special Function Equations....
- bolbteppa
- · Replies 6 ·
How Do We Get the Last Two Relations in the Mean Value Proposition Proof?
- evinda
- · Replies 8 ·
Undergrad Euler-Lagrange Equation Q: Where Does 2mr˙r˙θ Come From?
- volican
- · Replies 5 ·
Insights Partial Differentiation Without Tears - Comments
- andrewkirk
- · Replies 6 ·
Are These Equations for Particle and Wedge Dynamics Correct?
- markosheehan
- · Replies 3 ·
Proving |PR|=3|RQ|: Two Particles Collide
- markosheehan
- · Replies 1 ·
Undergrad Wavevector k in Helmholtz Equation
- fog37
- · Replies 6 ·
High School Elementary question on integrating an equation
- jonjacson
- · Replies 2 ·
Undergrad A somewhat conceptual question about Green's functions
- BiGyElLoWhAt
- · Replies 6 ·
Undergrad Fourier transform of the components of a vector
- redtree
- · Replies 1 ·
2 Differential Equations by Substitution
- abhay1
- · Replies 5 ·
Solving for Tension of Inextensible String System
- markosheehan
- · Replies 1 ·
Undergrad 2nd order differential equation problem with sin(theta)
- Robin64
- · Replies 1 ·
Undergrad Can Nonlinear Equations be Linearized Using Free Parameters?
- Euler2718
- · Replies 4 ·
-206.q3.2 method of integrating factor
- karush
- · Replies 2 ·
Undergrad Linear independence of functions
- Mr Davis 97
- · Replies 4 ·
Undergrad BVP vs IVP when solving for eigenvalues
- Mr Davis 97
- · Replies 4 ·
High School How Do Jacobi Elliptic Functions Solve Nonlinear Differential Equations?
- MalachiK
- · Replies 3 ·
Pole shifting for Fourier transform
- clumps tim
- · Replies 1 ·
Graduate FEM for Solving PDEs: Beginner Textbooks & Fluid Flow
- RobosaurusRex
- · Replies 5 ·
Applying the Chain Rule to Derive Solutions of the Heat Equation
- evinda
- · Replies 12 ·
Show that the function is a solution of the equation
- evinda
- · Replies 8 ·
Undergrad How to solve the two following differential equations?
- Tspirit
- · Replies 10 ·
Undergrad Constant solution and uniqueness of separable differential eq
- mr.tea
- · Replies 1 ·