# math

## Convolution and Polynomial Multiplication

*Mar 26, 2012*

"Convolution in the time domain is multiplication in the frequency domain" is an oft-quoted statement. But the exact relation between the two is seldom stressed adequately. Mathematically, convolution and polynomial multiplication are one and the same process, as I shall explain shortly.

## Quantitative Aptitude for the Electrical Engineer

*Mar 26, 2012*

This is based on my dissatisfaction with the messed up way time and work problems are handled in quantitative aptitude examination guides. They take a simple idea, threaten you with time constraints and leave you feeling broken and guilty because you couldn't solve them quickly enough.

Tags: math

## Throughput of Aloha Networks

*Mar 26, 2012*

A derivation of the mathematical expression for the throughput of an aloha network using the exponential and Poisson random distributions

Tags: math