122 reputation
6
bio website stackoverflow.com/users/…
location London, United Kingdom
age 44
visits member for 2 years, 4 months
seen Mar 22 '13 at 15:44

Originally from Nicaragua, educated in Edinburgh and the USA, and now living primarily in London.

Useful questions and answers

Stack Overflow

  1. Debugging CREATE TABLE statements
  2. Logging in Python
  3. Simple string formatting in Python
  4. Reference types in C#
  5. String compression in C# using Gzip

Meta Stack Overflow

  1. Book recommendation questions
  2. Answering old questions with a solution in the comments

IT Security

  1. Cryptographically secure random strings in PHP

LaTeX

  1. Fitting a table on a page through rotation

StackExchange Flair

profile for Ricardo Altamirano on Stack Exchange, a network of free, community-driven Q&A sites


Feb
11
comment What exactly are eigen-things?
Just a possible typo, but did you leave out the word "behaviour" in the first sentence? "Eigenvectors are those vectors that exhibit especially simple [behaviour] under..."
Feb
8
accepted What course sequence should I study in order to build a foundation for studying cryptography and signal processing?
Feb
7
comment What course sequence should I study in order to build a foundation for studying cryptography and signal processing?
I see cryptography and cryptanalysis and inextricably linked, so I would probably include the latter in my efforts as well (perhaps after I've covered significant quantities of material in cryptography).
Feb
7
comment What course sequence should I study in order to build a foundation for studying cryptography and signal processing?
@TMM Good to know. I vaguely remembered reading that the study of elliptic curves was useful in cryptography, and that it relied on complex analysis somewhat.
Feb
7
asked What course sequence should I study in order to build a foundation for studying cryptography and signal processing?
Feb
3
awarded  Editor
Oct
7
awarded  Student
Oct
7
accepted How do I find the variance of a linear combination of terms in a time series?
Oct
7
comment How do I find the variance of a linear combination of terms in a time series?
@did Ah, ok. Post your comments as an answer and I'll accept it immediately. Thank you for the help.
Oct
7
comment How do I find the variance of a linear combination of terms in a time series?
@did Then the condition that $ε_{t-3} = ε_{t-2} = 1$ doesn't change the problem in the slightest, correct?
Oct
7
asked How do I find the variance of a linear combination of terms in a time series?
Aug
12
awarded  Organizer
Aug
12
revised What does the notation $[0,1)$ mean?
remove irrelevant tag
Aug
12
suggested suggested edit on What does the notation $[0,1)$ mean?
Jul
9
awarded  Supporter
Jun
18
awarded  Autobiographer
Jun
13
awarded  Scholar