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Lottie Vectors is an application for Matlab that alows you to do some pretty neat things -with vectors. More exactly -displaying them in ways that hopefully will allow you to explore and better understand your vector data. The basic idea is simple, take a vector defined in one of a few different types of data formats and map it on the screen. Add another vector and you start to form a 'route'. Each route or position vector can be accompanied with a 'force' vector. This can be used to show something acting on a position with direction and magnitude. Finally you can give each position a tag to display on screen. ...

Functional Mechanism is a differentially private method designed for a large class of optimization-based analyses. The main idea is to enforce epsilon-differential privacy by perturbing the objective function of the optimization problem, rather than its results. Please cite the following paper if you choose to use this code: J. Zhang, Z. Zhang, X. Xiao, Y. Yang, and M. Winslett. Functional Mechanism: Regression Analysis under Differential Privacy. PVLDB 5(11):1364-1375, 2012.

At the moment this code can calculate free electron gas and the SIAM (single-impurity-anderson-model) In this version, the only thing computed by the code is the energy flow. There is no calculation for any thermodynamic quantaties. The implementation is very slow and rather for educational purposes to get an idea of the NRG-method. For example: it is not considered, that only matrix elements between states, whos occupation number differs by one and S_z differs by 1/2. There is only implicit parallelisation implemented by vectorizing the time consuming parts of the code. This code is licensed under the CC BY-SA 3.0 license (http://creativecommons.org/licenses/by-sa/3.0/, http://creativecommons.org/licenses/by-sa/3.0/legalcode)