PXE boot Debian
Diskless system is an old idea (remember Sun Ray 1?) but surprisingly coming
back (Raspberry Pi cluster!). I have a system with PXE boot but no disk so it
is perfect to try out a diskless system.
[more]
DD-WRT on Linksys
I have been using a Linksys WRT3200ACM (with DD-WRT installed) for a while now
and I decided to make a better use of such a high-end WiFi router. These are
some notes that worth to write down:
[more]
Kelly (1956) A new interpretation of information rate
Shannon defined the information rate as the number of bits transmitted per second, which bit is a unit for entropy, i.e., probability is involved. We can relate the information rate with \(R=rH\), where \(r\) is the rate that message is delivered and \(H\) is the entropy of each message. So...
[more]
Chatterjee (2015) Modeling credit risk
This is a concise paper describing the Vasicek model. It serves the purpose of
describing how banks should evaluate risk on loan assets, and provides a
connection between the Black-Scholes option pricing model to pricing bonds or
loans.
[more]
Owen (1980) A table of normal integrals
This is an artcle of my recent acquaintance. It is about various integrals
involving the standard normal distribution \(\Phi(x)\) and its derivative.
Besides it is a handy reference, it is interesting to see how the author
organize the hundreds of integrals in a manner that is easy to lookup.
[more]