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
-7.1 transform u''+0.5u'+2u=0 into a system of first order eq
- karush
- · Replies 2 ·
Undergrad Help discretizing this PDE (stream function)
- Daniel Sellers
- · Replies 4 ·
Cp2.63 find the initial velocity
- karush
- · Replies 10 ·
Undergrad How do I derive a PDE for the volume flow rate of a tilting vessel?
- akin-iii
- · Replies 1 ·
Undergrad Wanting to understand the linearity of wave equations
- jdou86
- · Replies 1 ·
Graduate Deriving the derivative boundary conditions from natural formulation
- maistral
- · Replies 4 ·
Differential equation - distance needed to achieve target speed
- Jonter
- · Replies 2 ·
Undergrad Does this ODE have any real solutions?
- Radlor
- · Replies 11 ·
Undergrad Find Practical Resonance Frequencies in Linear Differential Equations
- Kostas1335
- · Replies 1 ·
Undergrad Separation of Variables for Partial Differential Equations
- FAS1998
- · Replies 18 ·
4-39 magnitude of its velocity after falling 10.0m
- karush
- · Replies 4 ·
-a.3.2.96 Convert a 2nd order homogeneous ODE into a system of first order ODEs
- karush
- · Replies 8 ·
-5.5 Solve the matrix equation AX=B to find x and y
- karush
- · Replies 4 ·
Undergrad Independent functions as solutions
- Sathish678
- · Replies 2 ·
-29.1 Find a general solution to the system of DE
- karush
- · Replies 4 ·
-m30 - 2nd order linear homogeneous ODE solve using Wronskian
- karush
- · Replies 12 ·
Undergrad Solving a differential equation using Laplace transform
- PainterGuy
- · Replies 5 ·
2.3.17 Find the average acceleration for this interval.
- karush
- · Replies 1 ·
Undergrad Partial Derivative: Correct Formulation?
- Apashanka
- · Replies 6 ·
2.62 Calculate the objects position and acceleration (using tikx for graph)
- karush
- · Replies 7 ·
Undergrad Homogeneous equation and orthogonality
- dRic2
- · Replies 4 ·
Correctness of Ball-Dropping Problem Answer
- Ackbach
- · Replies 3 ·
3.1.11 find the solution of the given initial value problem:
- karush
- · Replies 4 ·
Can You Solve This Initial Value Problem and Determine Its Solution Interval?
- karush
- · Replies 7 ·
Graduate Solving the Convection-Diffusion Equation for this Pipe with a Heat Sink
- HumanistEngineer
- · Replies 5 ·
Graduate What type of function satisfy a type of growth condition?
- Vulture1991
- · Replies 2 ·
Solve IVP 2000 #23: Y(0)=A Solution
- karush
- · Replies 2 ·
Graduate Preventing Oscillations w/ Coarse Calculation Increments?
- Stargazer43
- · Replies 5 ·
31.6 Solve the initial value problem
- karush
- · Replies 2 ·
Comparing Methods for Initial Value Problem
- evinda
- · Replies 38 ·
Graduate Looking for a nonlinear equation with the following property
- wvguy8258
- · Replies 1 ·
Graduate Can Optimal Control Be Achieved Using Direct Cost Function Calculation?
- Kreizhn
- · Replies 1 ·
Graduate Identifying cusp catastrophes?
- Set Abominae
- · Replies 1 ·
Graduate Sequence operator and transform
- bqllpd
- · Replies 1 ·
Graduate Different representation of Laplacian
- Oddbio
- · Replies 1 ·
Graduate Solving the Unknown in PDE: Finding u_B!
- hermano
- · Replies 1 ·
Undergrad Green's function for the wave equation
- dRic2
- · Replies 4 ·
Graduate Defining a Flow: What's the Best Way?
- Rasalhague
- · Replies 1 ·
Graduate Integral transforms - convergence
- Pere Callahan
- · Replies 1 ·
Undergrad Projective Methods For Stiff Differential Equations
- mt2019
- · Replies 2 ·
Undergrad What is the proper format for solving this ODE using an Excel add-in calculator?
- jknight291
- · Replies 3 ·
Graduate Solving Variational Equations with FreeFem++
- urric
- · Replies 1 ·
Graduate How does decompression affect the number of particles in a confined gas?
- intervoxel
- · Replies 1 ·
Graduate Interesting differential equation
- birulami
- · Replies 1 ·
Graduate Solving Drug Modeling: 130 micrograms of Thyroxine Needed
- linyen416
- · Replies 2 ·
Undergrad Using D'Alembert Solution to Find Values of Regions
- FAS1998
- · Replies 1 ·
Undergrad Separation of Variables (PDE) for the Laplace Equation
- FAS1998
- · Replies 3 ·
Graduate Proof involving some inequality
- Extropy
- · Replies 1 ·
Undergrad How bad is my maths? (numerical ODE method)
- m4r35n357
- · Replies 8 ·
Undergrad Verification regarding Neumann conditions at time derivative
- maistral
- · Replies 1 ·
Graduate Can we apply dynamics/system/chaos theory to the world?
- Gerenuk
- · Replies 1 ·
Graduate Understanding Transcendental Equations in Multicompartment Systems
- stoucha
- · Replies 1 ·
Undergrad Energy density distribution of a vibrating string
- slcoleman
- · Replies 1 ·
Graduate Solving Acceleration Model for Solar Drag Race
- Jolly Green Tractor
- · Replies 1 ·
Graduate How to prove differential property of homogeneous function
- Prpan
- · Replies 1 ·
Graduate Inverse Laplace transform for small 's', Taylor expansion
- perr
- · Replies 1 ·
Graduate FDM vs FEM: Which is Better for CFD?
- maistral
- · Replies 2 ·
Graduate Understanding the Spectrum of a Linear Operator
- member 428835
- · Replies 5 ·
Graduate Understanding the Colon Notation:
- Integrals
- · Replies 7 ·
Graduate Fourier transform and singularities
- diraq
- · Replies 1 ·
Graduate Optimizing Implicit Functions: Best Fit for Coupled ODE Solutions
- P3X-018
- · Replies 1 ·
High School How to calculate the Fourier transform of sin(a*t)*exp(-t/b) ?
- Leonid92
- · Replies 7 ·
Undergrad How to convolve impulses in engineering?
- DWill
- · Replies 2 ·
Graduate Bessel's Integrals with Cosine or Sine?
- FQVBSina_Jesse
- · Replies 1 ·
Undergrad Problem getting the coefficients of a non-homogeneous PDE using the Fourier method
- Phys pilot
- · Replies 1 ·
Graduate General natural boundary condition?
- maistral
- · Replies 2 ·
Graduate Composition of a theta function with function
- muppet
- · Replies 1 ·
Graduate Is the Saddle Point Expansion Valid for Finite Values of x?
- Kevin_spencer2
- · Replies 1 ·
-pe.7 write a system in the matrix form Y'=AY+G
- karush
- · Replies 2 ·
Undergrad How do I classify this partial differential equation? Inhomogeneous?
- Phys pilot
- · Replies 9 ·
Graduate Consistency Versus Convergence, seeking intuition
- fahraynk
- · Replies 2 ·
Graduate An infinite series transformed from Laplace transform
- SAT999
- · Replies 1 ·
Graduate Implicit Euler method with adaptive time step and step doubling
- the_dane
- · Replies 2 ·
Undergrad What is a symmetric ODE / what does it mean when an ODE is symmetric?
- I_laff
- · Replies 1 ·
Graduate Convergence and stability in multivariate fixed point iteration
- dhatfield
- · Replies 1 ·
Graduate Diffusion term, convective term and time double derivative
- adnan jahan
- · Replies 1 ·
Graduate Saddle point in trapping region
- Appaloosa
- · Replies 1 ·
Graduate Product of gradients at intersection of null clines in 2D system
- Appaloosa
- · Replies 1 ·
Graduate Simple Symplectic Reduction Example
- msparapa
- · Replies 3 ·
How to Solve the Differential Equation x'=x+sin(t)?
- karush
- · Replies 3 ·
Graduate Deriving the FEA formulation using triangular elements
- maistral
- · Replies 2 ·
Graduate Transforming coordinate system into a rotating one
- haael
- · Replies 7 ·
Undergrad What method should I use to get the roots of this equation?
- GoodEngineering
- · Replies 6 ·
Graduate Matrix Exponential to Approximate the Value of Matrizant
- Alexander122745
- · Replies 2 ·
Graduate Positive definite function,semi-definite functions
- marellasunny
- · Replies 1 ·
Graduate Algorithm for multidimensional constrained root finding
- Breakgate
- · Replies 1 ·
Graduate System of cross-polynomials of variable degree
- ydydry
- · Replies 1 ·
Graduate Testing for chaos in data(method by Doyne Farmer for 3D discrete data)
- marellasunny
- · Replies 1 ·
Undergrad Solve y=1- A(1-e^(-kx)) + mx +b
- O_chemist
- · Replies 1 ·
Graduate Representing a factorial through its pseudo Z transform
- JPaquim
- · Replies 1 ·
Graduate Solving heat equation BACK in time
- Curl
- · Replies 1 ·
Undergrad Differential Equation's: A popular solving method
- AbedeuS
- · Replies 1 ·
Graduate What is the Purpose of Green's Function?
- Greg Bernhardt
- · Replies 1 ·
Graduate What is a linear ordinary differential equation
- Greg Bernhardt
- · Replies 1 ·
Graduate What is the Euler-Lagrange equation
- Greg Bernhardt
- · Replies 1 ·
Graduate How are recurrence relations used in mathematics and computer science?
- Greg Bernhardt
- · Replies 1 ·
29.1 give a system of fundamental solutions
- karush
- · Replies 5 ·
Graduate How to get a converging solution for a second order PDE?
- enea19
- · Replies 3 ·
How to find the eigenvectors for a given matrix using the example in a textbook?
- karush
- · Replies 3 ·
Graduate Irreversible processes. Heat equation, diffusion equation
- Higgsono
- · Replies 2 ·