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.
Conversion of System of Eq's to 2nd Order Diff Eq
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Trial Solutions of Particular Integrals?
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Solving Laplace Equation on Square: Proving |u|<=1
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Differential equation: y'-y=(1/2)x-1
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Solve Olimpiad Problem: Draw u(5,x) Graph
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Need help solving a Non-Homogenous DE
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Numerical Solution to 2nd Order Eqn?
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Problem solving 2nd order ODE not for the faint of heart
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Solving a Partial Differential Equation
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Implicit differentiation? implicit integration?
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Differential equation from general solution
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Partial differential equation help
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Hypothesis for the separation of variables method
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How can you determine the direction of a phase portrait?
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Parallelizing Crank-Nicolson method
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Can PDFs Reduce Virus Risks in Chemistry Research Collaboration?
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Can the Riccati equation \(y' + y^2 = x\) be solved?
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Initial condition leads to periodic solution
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Proving the Existence and Uniqueness Theorem for Differential Equations
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How to Solve This Complex Differential Equation?
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Is y(t) = c1t^2 + c2 t^−1 the general solution of a second order ODE?
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Solve Hermite Equation & Find Its Use in Math Physics
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Solution of a simple Differential Equation
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What is the relation between Riccati equations and Bessel equations?
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Diff. eqn + erf (error function)
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Help with Wronskians and matricies?
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How to solve a Nonhomogeneous differential equation with natural log?
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Finding the Limit of F(s) as s Goes to Infinity: Exploring Exponential Order
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How to Solve the Heat Equation with Neumann Boundary Conditions?
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Uses of Laguerre Differential Equ.
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How is exp(tL) rigorously defined in Duhamel's formula?
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Solving Shallow Water Equations with Kelvin Wave Solutions
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Is Separation of Variables Valid for Solving Partial Differential Equations?
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How do you solve this nonlinear first order DE
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Solve Bernoulli Equation x'=b(t)x+c(t)x^n when n<0
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Solving ODE: $\dot{r}=\sqrt{\frac{a}{r}+b}$
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How can Euler differential equations be solved using a substitution?
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Fundamental Matrices in Differential Equations
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Learn How to Integrate dy/dx=4x-2y with Expert Tips - Solve D.E.
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Solving non-linear equations simultaneously with DE's using Euler integration
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Laplace Cylindrical Coordinates (Separation of variables)
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Biharmonic Operator: Understanding PDEs for Smooth Meshes
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Domain of a Differential Equation
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How Do You Solve dy/dt = t - y and Its Variations?
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Serious problem about Differential equation
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Nonseparable Differential Equation
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System of coupled first order PDE
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Solving a Non-Linear Differential Equation Using Exact Equations
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Need Help Solving a Differential Equation?
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Can Fourier Series Help Solve this Summation Question?
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Build logistic differential equation for given data
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What Are the Conditions for Uniqueness in Nonlinear Differential Systems?
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How to Implement Constant C in the Split Step Fourier Method for NLS Equations?
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Difference in differential and partial differential
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Help with first order, Bernoulli ODE
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How Do You Approach Reduction of Order for This Differential Equation?
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Differential Equations - Bifurcations
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Bessel Functions / Eigenvalues / Heat Equation
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Understanding Phase Curves and Directionality in ODE Systems
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Where can I find helpful resources for solving differential equations?
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Help creating a dif. eq. for a real life model?
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Euler expansion of double exponential?
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How Do GR Equations of Motion Describe Singularities in 4D Space-Time?
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Differential equation involving money
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Gradient Ascent: Finding Maximum of a Scalar Function
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How Do You Solve Integration Issues with Differential Equations?
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How to Find Two Linearly Independent Solutions of (y' + f(x)y)' = 0?
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How to Solve Implicit Differentiation Problems with Tan(xy)=xy?
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From 1D to cylindrical co-ordinates in PDEs
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Solving Differential Equation with Boundary Conditions
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Homogeneous Equation: 5/2 Degree?
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Non linear diff. equation example
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How Is Virga Raindrop Evaporation Time Calculated Using Differential Equations?
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Fick's second law in cylindrical co-ordinates
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ATH: Solving Differential Equations for B(x) with Constraints and a Constant K
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How Do I Determine the Fourier Transform of f(x) = sin(x)?
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Applied example of Laplace Transform?
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How to Solve a Non-Homogeneous Laplace Equation?
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Understanding Laplace Transformations: A Practical Guide and Real-Life Examples
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Boundary-value problems (Neumann condition)
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Undetermined coefficients vs. Variation of Parameters
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A restriction within Variation of Parameters
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Differential Equation Solutions - y'' = -y & y' = y
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Is the Homogeneous Solution Neglected in Undamped Harmonic Oscillators?
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Show Real Part of Complex Numbers: |y + x|^2 = |y|^2+2|yx|cos(a1-a2)
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Complex Ginzburg Landau Equation
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About partial differential equation book
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Numerical methods: Finite difference and spectral methods?
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How Does Partial Fraction Decomposition Apply to Laplace Transforms?
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Integrals of PDEs (help needed to interpret theorem)
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Numerically solving NLS equation
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Infinitely many integrable/conserved quantities? Soliton?
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Stability? nonlinear mode? soliton?
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Do equations in nature always have separate time and space derivatives?
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How Do You Solve an Initial Value Problem Using Laplace Transforms?
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Numerical solution to coupled diff. eq.
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Analyzing a System of Nonlinear ODEs in Biology
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Domain, why are they both not defined?
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How Does Fubini's Theorem Relate to the Product of Two Integrals?
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Laplace Transform Explained: WHY & HOW
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