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 What is the difference between differential equations and functions?
- awholenumber
- · Replies 8 ·
Undergrad How to Approach Solving 2y+(y')^2+ax^b=0?
- depizixuri
- · Replies 10 ·
Graduate Numerical solution of two coupled nonlinear PDEs
- ShayanJ
- · Replies 8 ·
Undergrad Diagonalising a system of differential equations
- Frank Castle
- · Replies 5 ·
High School A few differential equation questions
- awholenumber
- · Replies 19 ·
Undergrad Change of variable (2nd order ODE)
- TheCanadian
- · Replies 8 ·
Undergrad Verifying solution to falling object with air resistance
- sleepwalker27
- · Replies 5 ·
How to Solve a Separable Equation with Initial Condition u(0)=6?
- jahrens
- · Replies 2 ·
Graduate Can Estimation of a Function Determine Exponential Decay for Vector-Functions?
- wrobel
- · Replies 2 ·
High School Where is the best place to put the arbitrary constant?
- funlord
- · Replies 2 ·
High School Bessel Function of 1st and 2nd Kind
- wasi-uz-zaman
- · Replies 1 ·
High School System of differential equations Basic question
- dumbdumNotSmart
- · Replies 3 ·
Undergrad Solving u_x=(sin(x))*(u) in Fourier space
- vector_problems
- · Replies 4 ·
Undergrad Is this general solution correct?
- xavier777
- · Replies 3 ·
Undergrad How to prove this equation from the first attachment
- funlord
- · Replies 2 ·
Solving for Common Root in $(1)$ and $(2)$
- Albert1
- · Replies 1 ·
Showing Superposition: u(x, t) Equation
- jmorgan
- · Replies 2 ·
How Does Separation of Variables Solve the Heat Equation in a Metal Rod?
- jmorgan
- · Replies 4 ·
Graduate Valve closure boundary condition
- rppearso
- · Replies 1 ·
High School How to start learning differential equations
- awholenumber
- · Replies 13 ·
Insights Solving Homogeneous Linear ODEs using Annihilators - Comments
- Mark44
- · Replies 8 ·
Repulsive force equation of motion for particle approaching O
- markosheehan
- · Replies 8 ·
Undergrad Laplace transform to solve a nonhomogeneous equation
- victor77
- · Replies 3 ·
Finding asymptotic solutions for linear ODEs solved via Laplace transform
- flanker
- · Replies 6 ·
Graduate Solving a Boundary Value Problem: Proving u(x) < 0
- matematikawan
- · Replies 7 ·
Boundary Value Problem: Does it Have a Solution?
- evinda
- · Replies 4 ·
Graduate Is there an analytical solution to the following problem?
- deepakphysics
- · Replies 20 ·
Graduate Extrapolation technique removing sample rate dependence
- lostinphysics44
- · Replies 9 ·
Undergrad Finding Green function boundary conditions at the discontinuity
- Summer95
- · Replies 6 ·
Undergrad What is the notation for referencing an ODE with different parameter values?
- member 428835
- · Replies 3 ·
Undergrad How Do You Derive the Cosine of an Integral in Pendulum Motion?
- Andreas C
- · Replies 30 ·
Graduate How to Solve the Laplace Equation on a Trapezoid?
- MatPhy
- · Replies 7 ·
Undergrad How to find the inverse of an integral transform?
- hyurnat4
- · Replies 1 ·
Undergrad What happens if you divide by a differential?
- elements
- · Replies 1 ·
Undergrad What is the derivative of a matrix transpose?
- dynamicskillingme
- · Replies 2 ·
Undergrad Enforcing boundary conditions in FTCS numerical integration of PDEs
- davidbenari
- · Replies 5 ·
Undergrad Is there an encyclopedia of DE that accepts solutions?
- jonjacson
- · Replies 11 ·
Undergrad Curl from requiring invariance under inertial coordinate changes
- powerof
- · Replies 4 ·
Graduate Nonhomogeneous second order nonlinear differential equations
- Elmira1
- · Replies 4 ·
Graduate Variation of Parameters for System of 1st order ODE
- hotvette
- · Replies 1 ·
High School Complex Replacement: Justification?
- adamjts
- · Replies 1 ·
Undergrad Is the gamma function similar to the Dirac or Heaviside functions?
- rmiller70015
- · Replies 1 ·
Undergrad Non-homogeneous systems with repeated eigenvalues
- faradayscat
- · Replies 1 ·
Graduate Why Are Hilbert Space Embeddings Used in FEM Eigenvalue Approximation?
- SqueeSpleen
- · Replies 2 ·
Express $a_n$ in $n$: Recursive Formula
- Albert1
- · Replies 2 ·
Undergrad Fourier transform of Dirac delta
- spacetimedude
- · Replies 3 ·
Undergrad Does the Laplace Transform Exist for tanh(x)?
- MAGNIBORO
- · Replies 1 ·
Undergrad 3rd order motion profile programming ("sinusoidal")
- Dominik Tugend
- · Replies 5 ·
Undergrad Solution to PDEs via Fourier transform
- Frank Castle
- · Replies 12 ·
Undergrad What are the Laplace transforms of powers of y?
- space-time
- · Replies 5 ·
Undergrad Fundamental solutions and fundamental matrices
- faradayscat
- · Replies 1 ·
Laplace transform inverse for RC circuit differential equation
- Sophie1
- · Replies 5 ·
Damped spring differental equation
- jblakes
- · Replies 19 ·
Turning 2nd order into 1st order
- WelshDave
- · Replies 3 ·
Undergrad Why is dr/dz+z^2=0 classified as non-homogeneous?
- Petra de Ruyter
- · Replies 6 ·
Undergrad Why does (y-x)dx+(4xy)dy=0 give 4xyy'+y=x not 4xy'+y=x?
- deltapapazulu
- · Replies 1 ·
Orthogonal trajectory of x² + y² = cx³
- Pull and Twist
- · Replies 2 ·
Graduate Verifying My Solution to an EDP: Agree or Disagree?
- Carmen_8
- · Replies 1 ·
Graduate Boundary Value Problem Requiring Quarterwave Symmetry
- TheJfactors
- · Replies 1 ·
Graduate Is y(x) Identically Zero in This ODE Given Specific Initial Conditions?
- LagrangeEuler
- · Replies 3 ·
Graduate Functions with "antisymmetric partial"
- economicsnerd
- · Replies 6 ·
Graduate Div(gradΦ): Solve 3y12+2y22-3y1y32
- kezzstar
- · Replies 4 ·
What issues can arise when solving ODEs numerically?
- Theia
- · Replies 4 ·
Undergrad 4th order Runge-Kutta with system of coupled 2nd order ode motion equations
- noelll
- · Replies 14 ·
Graduate Mathematics background needed for PhD in stochastic stability and control
- OrangeDog
- · Replies 5 ·
Solution of the problem in interlaced form
- mathmari
- · Replies 2 ·
Graduate Is it possible to solve this differential equation?
- Donghyun Kim
- · Replies 2 ·
General solution to y'''−2y''+y'=e^x
- mathmari
- · Replies 2 ·
Undergrad Solving Navier-Stokes and energy equations with mixed coordinate systems
- shevir1
- · Replies 2 ·
Undergrad Source of eigenvalue conditions in spherical Laplacian solution
- Sum Guy
- · Replies 1 ·
High School How to Determine a(x) for Integrating Any e^f(x)?
- Bounceback
- · Replies 15 ·
Undergrad Why does the amplitude of an undamped driven oscillator not vary with time?
- adamjts
- · Replies 3 ·
Undergrad Find Y(s)/X(s) for y(t) = u(t - a).x(t)
- Debdut
- · Replies 3 ·
Parametric representation of a line
- brunette15
- · Replies 2 ·
Undergrad Sturm-Liouville Problem, boundary condition
- kidsasd987
- · Replies 1 ·
Undergrad How to prove the curl curl of a vector?
- shedrick94
- · Replies 4 ·
Undergrad Are the derivatives of eigenfunctions orthogonal?
- ajtgraves
- · Replies 7 ·
Undergrad F'(n) = f(n) in discrete calculus
- Bruno Tolentino
- · Replies 2 ·
Field lines of F(x, y, z) = yi − xj + k
- brunette15
- · Replies 2 ·
Field lines of 3D vector functions
- brunette15
- · Replies 2 ·
Undergrad Heaviside's Operational Calculus and Laplace Transform
- Julano
- · Replies 1 ·
Undergrad Simplifying Summation Algebra with Differential Equations
- crazycool2
- · Replies 3 ·
Graduate What is the significance of the constant m in the Hermite differential equation?
- Mrinmoy Naskar
- · Replies 5 ·
Emad's question via email about Inverse Laplace Transform
- Prove It
- · Replies 1 ·
Understanding Support of Convolution: Does the Equality Hold?
- evinda
- · Replies 2 ·
Undergrad How do you integrate a separable differential equation to get a closed form?
- rnielsen25
- · Replies 10 ·
Graduate Nonlinear first order Differential equation
- say_cheese
- · Replies 8 ·
Undergrad Conceptual Question: Vector-Matrix Differential Equation
- adamjts
- · Replies 1 ·
Graduate What Are the Latest Trends and Challenges in Nonlinear PDEs for Cancer Research?
- Domenico94
- · Replies 5 ·
Undergrad Why Is u=y/x Treated as a Function of x Alone in ODE Differentiation?
- KT KIM
- · Replies 1 ·
System of differential equations involving matrices
- Guest2
- · Replies 4 ·
Undergrad How Do You Calculate the Dissolution Time of a Corroding Metal Sphere?
- johnsonb.engr
- · Replies 3 ·
Undergrad Interpreting the Sine Integral in Physics
- stevendaryl
- · Replies 5 ·
Graduate Separating the Dirac Delta function in spherical coordinates
- jcm
- · Replies 11 ·
Graduate Obtain parameter derivatives solving PDE
- msanx2
- · Replies 6 ·
Undergrad Limit of spherical bessel function of the second kind
- Mr. Rho
- · Replies 6 ·
Graduate Differential Equations not solvable
- bubblewrap
- · Replies 5 ·
Graduate Closed-form solution for W in weighted matrix factorization with similarity regularization
- kevin2016
- · Replies 1 ·
Graduate Why does h = h(x,y,θ,φ) prevent (1.39) from being an exact differential?
- Happiness
- · Replies 1 ·
Graduate Solving A f''(x) + B f'(x) + Ce^{igx}f(x) = 0
- maNoFchangE
- · Replies 9 ·