Stone Studio

Linear programming is often a favorite topic for both professors and students. The ability to introduce LP using a graphical approach, the relative ease of the solution method, the widespread availability of LP software packages, and the wide range of applications make LP accessible even to students with relatively weak mathematical backgrounds. Additionally, LP provides [...]

TED India Conference held in Infosys Campus, Mysore between 4 – 7’th Nov 2009. There were lot many sessions over here on different subjects. One of them was on 6’th Sense Technology mixing physical world with digital world taken by Pranav Mistry – a well known MIT engineer. He talked about the technology he developed [...]

Data-Based Video Manipulation. How fall of stocks changes expression.
Experiment in visualizing data the josef ackermann statement is pitched in relation to the share price value of deutsche bank. Build with processing, data is read from a share price chart image taken from the web.

In a group of at least 23 randomly chosen people, there is more than 50% probability that some pair of them will have the same birthday. Such a result is counter-intuitive to many. In probability theory, thi is known as the birthday problem, or birthday paradox. Here is how we calculate [...]

Resources:

Fast Convolution
Covers various implementations of linear convolution using the DFT, including Overlap-Add and Overlap-Save.
Upsampling vs. Oversampling for Digital Audio
An article about the benefits of these techniques.
The Scientist and Engineer’s Guide to Digital Signal Processing
A great practical introduction to DSP. (Free to download)
Information on Gibbs Phenomenon
Wikipedia article on it.

Articles on Sampling below the Nyquist Rate

Sampling [...]

Online Books
Statistics with R by Vincent Zoonekynd, 2007
  It covers 1. Introduction to R 2. Programming in R 3. From Data to Graphics 4. Customizing graphics 5. Factorial methods: Around Principal Component Analysis (PCA) 6. Clustering 7. Probability Distributions 8. Estimators and Statistical Tests 9. Regression 10. Other regressions 11. Regression Problems — and their [...]

1 When can you use the binomial formula?

We want to know how many times something does or doesn’t happen e.g. rolling a
die multiple times:

can use binomial if we want to know “number of sixes”
can’t use binomial if we want to know “sum of rolls”

Many Eyes [FREE]

Many Eyes is a bet on the power of human visual intelligence to find patterns. Jump right to our visualizations now, take a tour, or read on for a leisurely explanation of the project.
Tasty Data Goodies – Swivel [Not Free]

Swivel is a website where people share reports of charts and numbers. Swivel is [...]