Ex Numerus

Ex Numerus means 'from numbers'. These are tools and notes on extracting knowledge and insight from numbers.

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Sunday, July 31, 2011

Notes on Policy Improvement and Controlled Dynamic Systems

See introductory background . A controlled dynamic system has inputs which can steer the evolution of the state of the system. ...

Notes on Dynamic Systems and the Value Function

Dynamic systems can be described by differential and difference equations . Without a loss of generality, consider a dynamic system re...

Wednesday, July 27, 2011

Organizational Incentives and Responsibilities: An Observation

In a large organization, properly aligning incentives and responsibilities is always a challenge. However, sometimes it all comes together l...

Thursday, July 7, 2011

Where to find the Octave Grammar

Problem Statement: Where is a grammar for Octave? Discussion: Octave implements an open source language which is very close to Matlab...

Friday, June 17, 2011

An example of improving performance using PyOpenCL: Further improvements to the Ellipse Fit Program

Figure 1 Problem Statement: Can using OpenCL with Python significantly improve the performance of the Ellipse Fit problem? This prob...

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edt: I apply math theory to engineering design and business decision making. I build tools and create methods which speed up and improve decision making. See see my profile for more information.

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