Search found 12 matches

by Konstantin
Tue Feb 03, 2009 7:28 pm UTC
Forum: Mathematics
Topic: LaTeX and other markup!
Replies: 73
Views: 35819

Re: LaTeX and other markup!

On an only tangentially related note, I need LaTeX for a class and it appears that quite literally every official mirror of it is down. Does forum code offer full LaTeX text setting support, or only the mathematics portion?
by Konstantin
Thu Dec 04, 2008 7:35 pm UTC
Forum: Mathematics
Topic: How much topology is there in graph theory?
Replies: 11
Views: 2135

Re: How much topology is there in graph theory?

From what I know, though there are defiantly aspects of graph theory that are more topological in nature, it really runs the gambit (I think that is the phrase). There are some cool algebraic-ish results, and lots (and lots!) of discrete math and combinatorics type problems related to it. So You ca...
by Konstantin
Wed Dec 03, 2008 4:41 pm UTC
Forum: Coding
Topic: question about binary in C++
Replies: 21
Views: 2452

Re: question about binary in C++

a few questions: why would I ask for the number to be input as a string? that seems sloppy unless I'm just missing something... what I meant by "I want the number to be changed to binary" is this if it outputs 10, I want it to mean that I input 2... if I input 94, it spits out 1011110.... ...
by Konstantin
Wed Dec 03, 2008 2:57 am UTC
Forum: Coding
Topic: question about binary in C++
Replies: 21
Views: 2452

Re: question about binary in C++

Out of curiosity, why do you need to do this? This particular sort of manipulation is very rarely necessary (outside of homework assignments). obviously it's stored as binary, it's a computer, that binary (I assume) also has a tag of some sort that causes it to consider its digits as those in base1...
by Konstantin
Tue Dec 02, 2008 11:34 pm UTC
Forum: Coding
Topic: question about binary in C++
Replies: 21
Views: 2452

Re: question about binary in C++

#include <iostream> #include <iterator> #include <bitset> using namespace std; int main() { cout << bitset<8>(120ul) << endl; // an example of an integer 120 (unsigned long) becomes 01111000 this is only set to show 8 bits, but you can set it to something larger, like 16 if you need to std::copy(is...
by Konstantin
Tue Dec 02, 2008 9:28 pm UTC
Forum: Coding
Topic: question about binary in C++
Replies: 21
Views: 2452

Re: question about binary in C++

An unsigned long long int is a number in binary (it is actually stored in memory or in a register as a binary number). No decimal to binary conversion is required. obviously it's stored as binary, it's a computer, that binary (I assume) also has a tag of some sort that causes it to consider its dig...
by Konstantin
Tue Dec 02, 2008 8:57 pm UTC
Forum: Coding
Topic: question about binary in C++
Replies: 21
Views: 2452

Re: question about binary in C++

You mean you have a decimal number as a string? In that case, doesn't C++ have some sort of number reader function? Even C has atoi. no, not a number as a string... an unsigned long long int... I suppose I could store it as a string... and tell me more about this reader function, I'm a bit of a new...
by Konstantin
Tue Dec 02, 2008 8:32 pm UTC
Forum: Coding
Topic: question about binary in C++
Replies: 21
Views: 2452

question about binary in C++

C++ warning... if you don't like it and don't know it, then don't rant at me, it's the only language I know. I have a number in decimal (actually a whole lot of them, but that's irrelevant), I want to turn it into a binary number and store it in a boolean array... I'm hoping there is an algorithm th...
by Konstantin
Sun Nov 30, 2008 9:45 am UTC
Forum: Mathematics
Topic: *please* don't hate me for this...
Replies: 16
Views: 2952

Re: *please* don't hate me for this...

(as the classes of increasing bounded series of rationals) I assume by classes here, you mean equivalence classes? And the equivalence relation is something like (a n )~(b n ) iff the sequence a n -b n converges to 0? I think Konstantin refers to Dedekind cuts . This is a method of constructing the...
by Konstantin
Sun Nov 23, 2008 8:20 am UTC
Forum: Mathematics
Topic: *please* don't hate me for this...
Replies: 16
Views: 2952

*please* don't hate me for this...

the last few meetings of my class in mathematical structures have been dedicated to defining the reals(as the classes of increasing bounded series of rationals), one thing we did was to prove that each real "r" has a least upper bound "lub" that is another real such that for any ...
by Konstantin
Fri Nov 21, 2008 10:46 pm UTC
Forum: Mathematics
Topic: HALP ME... but try not to tell me directly if you find it
Replies: 6
Views: 1618

Re: HALP ME... but try not to tell me directly if you find it

Pardon the inexperience, but I'm not really sure how you've arrived at the expressions, but I can offer the following: How do corners behave? Can the two adjacent squares 'infect' the corner? Do you know this game? http://img356.imageshack.us/img356/2749/gamenl5.th.png corners must ...
by Konstantin
Thu Oct 30, 2008 9:26 pm UTC
Forum: Mathematics
Topic: HALP ME... but try not to tell me directly if you find it
Replies: 6
Views: 1618

HALP ME... but try not to tell me directly if you find it

I don't expect any of you to actually come up with something, but it's worth a shot if any of you can see a new angle on this. as a word problem: consider a universe in which checkerboard squares have the ability to become ill. it takes three contacts with a sick square in order to infect a new squa...

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