# Questions tagged [numerical-optimization]

Numerical methods for continuous optimization.

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### Stochastic optimization vs stochastic programming

How should I think about the differences between stochastic optimization (SO) and stochastic programming (SP)? From Wikipedia, it seems that SO is a framework that uses randomness to solve a pre-...
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### General Chebyshev approximation

I am having trouble understanding it, first of all, what is x? Are x's coefficients of this polynomial we are looking for? This would mean that the polynomial is of degree $n-1$ because it has n ...
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### Recovering a matrix from a linear ODE given observations

To make this simple, let's say we have $x: \mathbb{R} \rightarrow \mathbb{R}^2$ such that $$\frac{d}{dt}\vec{x}(t) = \begin{pmatrix} x_1'(t) \\ x_2'(t) \end{pmatrix} = A \vec{x}(t)$$ for some constant ...
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### Optimizing intervals in piecewise function

I am not sure what the relevant tags are (or how to best described the problem). I have a piecewise function where for a particular interval element there is a known functional form (e.g. for ...