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.
Undergrad What is the "Engine of Calculus" in Differential Equations?
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Graduate How to Solve Inverse Fourier Transform of (10*sin(3*omega)) / (omega+Pi)?
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Graduate Power Series Solution of y''+(x^2)y=0: Is it Possible?
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Graduate Eigenvectors, eigenvalues and matrices
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Graduate What Is Dimensional Regularization in Arbitrary Dimensions?
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Undergrad Solution of First Order DE using Integrating Factors
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Graduate Solution to a differential equation required
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Graduate How Do Pseudo Differential Operators Solve Infinite-Dimensional ODEs?
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Undergrad Please recommend books on numerical approach to NLS
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Graduate Two tanks connected by a horizontal pipe
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Help Solve a Puzzle: Read Figure Below
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Graduate Is There a Better Name for the Anti-Limit Problem?
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Undergrad How Do You Simplify This Partial Fraction Equation?
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Undergrad Inverse laplace transform question
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Graduate Inverse Laplace Transform of 5/(s+1)exp(-2s): Solution & Explanation
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Graduate Can a self adjoint operator have a continous spectrum ?
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Undergrad What is the time to reach 98% of terminal velocity?
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Graduate Solving Coupled ODEs with Boundary Conditions
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Graduate How did Einstein derive the Lorentz transformations in his 1905 paper?
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Graduate Partial Differential Equations
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Graduate Evolution of pressure in navier stokes
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Undergrad Best Differential Equations Textbooks for Undergraduates
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Graduate Can all differential equations be derived from a variational principle?
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Undergrad Where ı can find problems about first order diff. equations
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Graduate How Can You Solve the Helmholtz Differential Equation?
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Graduate Non linear differential equation
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Graduate Is Sami Groupes Theory the Best Method for Solving Parabolic Problems?
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Graduate Is the DE y''+ (1/x)y' + (1-1/x^2)y=0 solvable with explicit methods?
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Graduate Transforming a Second-Order PDE into Canonical Form: Tips and Techniques
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Graduate Solving an Equation: a"+bxy'+cy*x^2=0
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Undergrad Solving a Differential Equation for Bungee Jumping Motion
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Undergrad Which Differential Equations Book is Best for Beginners?
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Graduate Non-linear ODE, blow-up phenomenon
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Undergrad How much Can Each Pump Remove in 1 Hour? Equation Solution
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Graduate Nonlinear DE depending on two variables
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Undergrad Who Uses Delay Differential Equations?
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Undergrad Is There a Value of x in [0,1] Such That f(x)=x for a Continuous Function f?
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Graduate Evaluating Stochastic Gradient with Random Grid
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Graduate What are the criteria for solitary wave to exist?
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Undergrad Please look at these streamlines
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Graduate Is the Laplace Equation with Initial Conditions Ill-Posed?
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Graduate Symplectic integrator/hamiltonian
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Graduate Streamline and free surface profile
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Graduate Bessel function for a 2D circular plate
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Undergrad How Do You Solve Yp for the ODE y'' - 3y' - 10y = exp(x)?
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Graduate How to solve D.E using Laplace transform?
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Graduate Understanding Smooth Solutions to PDEs
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Graduate Asymptotic evaluation of Laplace inverse transform
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Graduate Solving Diff.Eq. with Boundary Conditions: y(x) = x
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Graduate Solving "y''(x) +y(x)=0" w/ BC's of y(1)+y(-1)=0 & y'(1)+y'(-1)=2
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Graduate How Do You Solve the Differential Equation kxy = (y+dx)(x+dy)?
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Undergrad Need opinions on my differential equations book
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Graduate What is the Differential of a Bezier Curve with Respect to x?
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Graduate Do Initial Conditions for PDEs Need to Satisfy Governing Equations?
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Graduate The region in physical spce where KdV equation is valid
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Graduate Nonlinearity and dispersion in Kdv equation?
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Graduate Streamline pattern of a solitary wave?
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Undergrad Can D'Alembert's Solution Solve the 1-Dimensional Wave Equation?
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Graduate Solving 4th Order Differential Equation: y^(4)-1=5
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Undergrad Calculate the first four Picard Iterates of the equation y' - y = x^2
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Undergrad Solve Differential Equation of Family of Curves and Orthogonal Trajectories
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Graduate Solving PDEs Involving Characteristics, Expansion Waves and Shocks
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High School Are There Free Online Laplace Transform Calculators?
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Graduate How can one develop intuition for solving PDEs?
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Undergrad Finding the limit and a differential equation
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Graduate Discovering the Method of Reduction of Order in ODEs: A Historical Perspective
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Undergrad How can you determine isoclines using slope fields?
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Graduate Perturbation expansion when solving Kdv equation
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Graduate NOn-linear equation, when has a solution?
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Graduate Must solitary wave a product of weakly nonlinear and weakly dispersive?
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Graduate An example regarding asymptotic expansion
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Graduate Cross product in spherical coordinates
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Graduate Solving Differential Equation with Fröbenius Method
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Graduate Finding the Solution to a+b*x+x^(-y)+c*x^(-2y)+d*x^(1-2y)=0
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Undergrad Air resistance (pebble throwing)
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Graduate A Tricky PDE Transformation: Can You Help?
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Graduate Second order homogenous with variable coeffecients
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Graduate Inverse Scattering Transform and Solitons
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Graduate Is There a Vector Space Defined by Canonical Boundary Conditions?
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Undergrad Is This a Modified Laplace's Equation?
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Undergrad Learn PDE: Helpful Resources for Beginners
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Graduate Solving a Non-Linear Equation: Need Help!
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Graduate Asymptotic Behaviour of Solution x(t) for dx/dt = x^4 +4(x^3) - 60(x^2)
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Undergrad How Do You Solve Linear Difference Equations with Initial Conditions?
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Undergrad Solving an Equation with Three e-Factors
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High School Differential equation examples
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Undergrad Results same w/ Euler, Improved Euler, & Runge-Kutta
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Undergrad How Do I Prove the Laplace Transform Formula for Functions with Finite Jumps?
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Graduate Question about heat conduction equation.
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Undergrad Solving Differential Equation (dz/dt) + e^(t+z) = 0 with Arbitrary Constant C
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Graduate System of Differential Equations
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Graduate Differential equations and integal transforms
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Undergrad Convultion with Delta Function
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Graduate Calculating Constant C in Abel's Formula for Wronskian
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Graduate 2nd order differential equation
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Graduate What is the simplest way to understand the Dirac Delta function?
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Undergrad Differential equation with cross product
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Graduate How Does Changing Variables Simplify Nonlinear PDEs?
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Undergrad Expressing one function as linear combination of others
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Graduate Solving a Killing Vector Problem in General Relativity: Help with a PDE System
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