pluton

### Questions (29)

 11 Robin BC in the 1D wave equation 6 Weak formulation with Dirichlet boundary conditions 6 fixed-point iteration 5 From a vector to a skew symmetric matrix 4 Wave equation and Fourier Transform: conditions for differentiation

### Reputation (969)

 +10 1D wave equation: d'Alembert solution and periodicity +2 Finding the central manifold of a dynamical system +2 Fundamental solution for ODE with non-constant coefficients +2 How to prove $\int_Cf(z)dz=\int_{C_1}f(z)dz+\int_{C_2}f(z)dz$ for complex integration?

 4 Robin BC in the 1D wave equation 3 A Differential Equation with Dirac Delta as the Non-homogeneity Term 1 arc length enclosed by $r=1+\cos\theta$ and $r=1$ 1 Simplifying $\int_0^a \int_0^b \Bigl(\sum_{m} \sum_{n}\dot{A}_{mn} \sin\frac{m \pi x}{a} \sin\frac{n \pi y}{b}\Bigr)^2dy \,dx$ 1 System of Fourier coefficient ODEs finding constants

### Tags (40)

 5 ordinary-differential-equations × 7 3 finite-element-method 5 boundary-value-problem × 4 3 dirac-delta 4 distribution-theory × 9 2 partial-differential-equations × 9 4 wave-equation × 3 2 fourier-series × 2 3 fourier-analysis × 6 1 fourier-transform × 4

### Bookmarks (22)

 50 Is Sage on the same level as Mathematica or Matlab for graph theory and graph visualization? 36 Intuitive way to understand covariance and contravariance in Tensor Algebra 17 Is Lipschitz's condition necessary for existence of unique solution of an I.V.P.? 12 Numerical Approximation of the Continuous Fourier Transform 9 Invariant vectors of $A^n B^m$ with $A,B$ orthogonal matrices

### Accounts (14)

 Strunk & White Popular Question × 3 Organizer Famous Question Yearling × 4 Disciplined Vox Populi Self-Learner Explainer Nice Question

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