# Questions tagged [numerical-optimization]

Numerical methods for continuous optimization.

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### Optimisation problem: connectors

Suppose there are $n$ distinct points in the $\mathbb{R}^3$ space, namely $P_1,P_2,\ldots,P_n$. Define the distance matrix $M:=(d_{ij})_{n\times n}$, where $d_{ij}$ denotes the distance of line ...
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### Finding zero of a matrix function via trust region subproblem

I have an issue with some steps carried out in a paper (https://arxiv.org/abs/1508.07497 sec 9.2.2) In order to perform a gradient descent step, we need to solve the following equation for the square ...
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### Closed form solution to the Digamma recurrence relation?

The difference between two digamma function can be written using the following recurrence relation: $\psi(n+z) - \psi(z) = \sum_{i=0}^{n} \frac{1}{i + z}$ My question is, is there a closed form ...