Update 2024-03-27: Greatly expanded the "Samples" page and renamed it to "Glossary".
Update 2024-04-04: Added 5 million mid-2011 posts from the k47 post dump. Browse (mostly) them here.
Update 2024-04-07: Added ~400 October 2003 posts from 4chan.net. Browse them here.
Welcome to Oldfriend Archive, the official 4chan archive of the NSA. Hosting ~170M text-only 2003-2014 4chan posts (mostly 2006-2008).
Physifag here. We're starting to study the Brownian motion and for the "historical background" we're supposed to do a small assignments, which is... statistics... which i loathe and suck at.
Now, the assignment is nothing more than a random walk, however, with inequal chances of going left or right.
We're supposed to calculate the "supposed position" after n steps in terms of n and p; and the variance. Since the choices are "left" or "right", i think this is some kind of binom...
I'm pretty sure the position is just the mean, which in this case would be: n*p - n*q (seeing going left as positive, going right as negative). = n(p-q) = n(p-(1-p)) = n(2*p-1)
However, the same trick obviously doesn't work for the variance: n*p*q - n*q*p = 0
Which one is the safest to click on and which one is the least safest? and why?
How do I add the different percent changes onto the blocks? Like, some are 50 / 50 and some are 2 out of 3. Do those remove chances or does the chance of a mine increase?
Hi /sci/ ok so i need help with my engineering assignment, ive googled this stuff for hours and now i turn to the faithful /b/ for help, so basically what i need is, "what is the link between the product design department and other aspects of the business", thats the question i pose, im doing this assignment on ferrari so if you could be able to help that'd be great, in return tits!!.
Ok /sci/ here's the deal. I have to make a program that simulates a Von Neumann architecture. Basically, an interpreter. The input is a file written in binary that defines the program to be executed (yes, the source code will be binary), and that program will run on a small area of ram that simulates all the system memory. The syntax of the language is VERY similar to x86 assembler, with MOV, ADD, SUB, MUL etc, only in binary. I know this kind of assignment is common in college, but I read that it takes months, often an entire semester. I'm in high school and i have three weeks, but I have a group of like 6-7 people plus me working on it (work is not yet started). I'm not asking for the answer or something, just some insights on how to implement something or other useful advice. Also, we didn't yet study 'classes' but I'll try to implement them anyways... They don't seem that bad to do alone. Anyway, some of my doubts as of now are: how do I know if the program is using memory outside the assigned addresses? I explain myself (not an english speaker, I'm sorry): what I mean is this. Out of my system memory of 1GB, I will assign say 1MB to the simulated machine, and that would be the entire system memory for the simulated machine.