THE BINOMIAL DISTRIBUTION
Suppose that a fair coin is tossed 20 times. (The word ‘fair’ here means that each side of the coin has the equal probability of appearing.) If it turned out that the coin came up heads 18 times (out ofRead More
ONE IS EQUAL TO ZERO … HOW COME?
Some people may think it is a weird question and say “Nonsense!” But if you ask the question to someone who has studied abstract algebra, you’ll possibly get another answer. This article introduces the concept of ring in mathematics. Read More
SINGULAR VALUE DECOMPOSITION
In the article The Spectral Decomposition of Symmetric Matrices, it has been shown that every symmetric matrix A can be expressed as A = EΛE’ where E is a matrix whose columns are the eigenvectors of A with the normRead More