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 RC circuit differential equations
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Graduate Help with Differential equation for Spherical Harmonics.
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Graduate Globally defined and unique solutions.
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Undergrad Using NDSolve in Mathematica to Solve ODEs and Find Function Values
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Graduate What does the inverse Fourier transform represent in quantum scattering studies?
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Undergrad How to solve for this differential Equations Analytically
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Graduate Why are my equations giving different curves?
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Graduate What Does Weakly Nonlinear Mean in Wave Theory?
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Graduate Weakly nonlinear theories in electrohydrodynamics
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Graduate Frobenius method solution for linear ODE
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Graduate Solving non-homogeneous differential equation with variable coefficients
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Undergrad Solving the Equation y'(x) = 1/(x^N+1)
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Graduate How does Jacobian equality relate to partial differential equations?
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Graduate Wave function on slope potential
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Graduate A system of 1st order nonlinear differential equations
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Graduate Second opinion on ODE interpretation sought.
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Graduate Solving SHM: Converting x(t)^2 to cos^2(wt+φ)
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Graduate What are the methods for solving y''' + y' = tan(t) 0<t<pi?
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Graduate System of second order linear homogenous differential coupled equations
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Graduate Please help in integration of Associate Legendre function
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Undergrad How to Solve Non-Homogeneous ODEs with Multiple Terms?
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Graduate Can Fourier series be differentiated term by term in the spectral method?
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Graduate Efficient Laplace Transform Solution for Sin Square Root of T
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Graduate Is the Equation EI(x,t)U''''(x,t) + M(x,t)V''(x,t) Separable?
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Graduate Finding an exact solution using an integration factor
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Graduate Nonlinear ODE System: Computing w' & Finding R
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Graduate Finding solution to second order non linear dif. equation with IV
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Graduate How Can the Spring Equation for a Chain of Springs be Solved?
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Undergrad Coffee and milk (cooling/heating problem)
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Undergrad Is the question solve y'' = x^3/y a misprint?
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Undergrad First order coupled differential equations
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Graduate For some reason, the syntax is not working and will not print what I
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Graduate Solving Boltzmann Equation: Guidance for Partial Differentiation
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Graduate What is the inverse laplace transform of this?
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Graduate Why is the characteristic of (d/dx) + (d/dt) = 0 not c = x + t?
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Graduate Physical Meaning and Evaluation of Complex Integral in Heat Conduction Problems
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Graduate Good Tips to Solve Non-Linear ODE
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Graduate What is an invert transform and how does it relate to the hankel transform?
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Undergrad How Can Discontinuous Driving Functions Be Solved Without LaPlace Transforms?
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Graduate How to Represent an Almost Kummer's Equation in Terms of Kummer's or Solve It?
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Graduate Reducing Order of ODE Ly with Ansatz y2: Find u to Solve
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Graduate Question on orthogonal Legendre series expansion.
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High School I have 2 points are : 3,5,10 and -1,2,0. How to find equivalent for
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Graduate Simple existence/uniqueness proof for Newton's 2nd?
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Graduate How Does the Rodrigues' Formula Assist in Integrating Legendre Polynomials?
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Graduate Second nonlinear DE for exciton diffusion
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Graduate How do you solve for P in a separable equation involving multiple variables?
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Graduate Fredholm Integral Eqn of the 2nd kind
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Graduate Appoximate a non-analytical function?
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Graduate Can anyone help with eigenfunction?
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Graduate Solving an Equation with the SSFM Method - John's Urgent Question
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Undergrad Finding slope fields using Euler method
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Graduate Eigenfunction: Find Eigenvalue & Function
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Undergrad Having trouble solving this diff eq
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Graduate What Are the Conditions for Solving f(x,t) in the Problem?
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Graduate Solution to tensor differential equations
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Graduate How to integrate the following Bessel funtion
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Graduate Reduce to ODE using separation of varialbles
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Graduate Boundary Value Problem + Green's Function
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Graduate Behavior at zero and at infinity
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Undergrad How to solve recurrence relation ?
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Graduate How Do You Convolve Two Monomials with Non-Integer Powers?
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Undergrad How to Solve Coupled Differential Equations?
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Undergrad Finding the Separate RHS of a/b when b = b' + c
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Graduate Laplace transform of function with independent variables OTHER than time
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Graduate Hirsch and Smale Stability Definition Confusion
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Undergrad When to use 'ln' in integration?
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Graduate J.J Thomson's determination of of the ratio m/e
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Undergrad Solving ODE: $\frac{dx}{dt}=ax(b-x)$
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Graduate Differentation of Partial Derivative with respective to high order
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Graduate Can anyone explain this regarding to fourier series and bessel series expansion?
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Undergrad Ordinary differential equations involving matrices
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Graduate Is \(\frac{\sin(x)}{x}\) Analytic at \(x = 0\)?
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Graduate Any idea for this nonlinear equation?
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Graduate Problems with Runge-Kutta method
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Graduate Solving Laplace Inversion with Erfc
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Graduate Divergence in spherical coordinates
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Graduate What is the proof for the Laplace transform of f(t)/t?
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Graduate Challenging:How to Solve 2 Non-Linear ODEs?
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Graduate How Does D'alembert Solution Work in Wave Equations?
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Graduate How Did Mathematicians Finally Solve the 140-Year-Old Boltzmann Equation?
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Graduate Is There a Simple Formula for the Green Function of the Klein-Gordon Equation?
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Graduate Can Hopf's Maximum Principle imply f(r) = 0 for X(r) with compact support?
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Graduate Question on Dirichlet problem in cylinder with radial symmetry.
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Graduate Question on ODE's with roots of multiplicity.
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Undergrad 4th order homogeneous linear ODE with constant coefficients
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Graduate Derivation of equation for Phase-modulation fluorescence
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Graduate Exp(sin(t)) integral difficulty for 1st order ODE
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Graduate Steps for Solving the Time Independent Schrodinger Equation for a Free Particle
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Graduate How do I find B using the boundary condition ux(0,t) = -Q in Laplace transforms?
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Graduate Proof of the convolution theorem for laplace transform
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Graduate Gerschgorins theorem in eigenvalue problem
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Graduate Question about Laplace(Potential) equation of disk.
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Graduate Understanding the Physical Representation of Special Cases in the Heat Equation
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Graduate Graphing Frequency Spectrum of Signal Over Time
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Graduate Heaviside Function: What is H(-x)? Fourier Transform
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Graduate Second order nonlinear ODE - not autonomous
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Undergrad Solve 3rd Order DE: How Many Linearly Independent Solutions?
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Graduate Proving Unique Solution of $y''+e^{-x}f(y)=0$ with $y(0)=y'(0)=0$
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Graduate Discrete derivatives with finite-differences
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