New posts in numerical-methods

Solving a recursion efficiently

Euler Transform elementary Proof

Looking for finite difference approximations past the fourth derivative

How to determine whether a point is inside a closed region or not?

Impose PDE itself as Boundary Condition?

Balls are placed into 3 urns. Expected time until some urn has 100 balls.

Solving a PDE with tricky boundary conditions

Accelerating Convergence of a Sequence

How to diagonalize a large sparse symmetric matrix to get the eigenvalues and eigenvectors

How can you tell if a least squares/rootfinding problem is well conditioned only by calculating the roots of a polynomial fit?

Efficient and Accurate Numerical Implementation of the Inverse Rodrigues Rotation Formula (Rotation Matrix -> Axis-Angle)

Runge-Kutta method for PDE

Numerical solution to x = tan (x)

How to estimate $ \left(1 + \sqrt{2} + \sqrt{3} + \dots + \sqrt{n} \right) - \frac{2}{3} n \sqrt{n}$?

Optimization with box constraints - via nonlinear function

Subtracting two dates

Get a good approximation of $\int_0^1 \left(H_x\right)^2 dx$, where $H_x$ is the generalized harmonic number

Converse of Taylor's Theorem

unexpected high precision of the Simpson's rule

Numerical Analysis-Proof That Sum of Lagrange Interpolating Polynomials is One