Computer Science Forum

I'm trying to implement an algoirthm descirbed here: http://pub.uni-bielefeld.de/luur/download?func=downloadFile&recordOId=2497720&fileOId=2525546 The purpose of that algorithm is to create a concept hierarchy based on a document corpus. For instants, a "Dog" concept would be a child of the "Animal" concept in such a hierarchy. To the point, I've come accross a peice …

Hi! I need help in deciding the topic for my final year project.. my task is to make multimedia content for education. Software that will be used is Macromedia FLASH. I need to make an interactive content so i plan to make comp. simulation. my listed topics are (well, i …

Hello, For a hobby project i'm working on i'd like to be able to generate some text based on some random inputs. Now i'd like this text to seem like it was writting by a human. I realise this is pretty hard but i was wondering if anyone could point …

Many site can ask you to make an account in order to get more services etc. Most of the time a password is asked also. I understand there is a need to make a password of a certain length, say at least 6 chars or longer. What I don't understand …

the problem is about coin change - "how many ways you can change 3,5,10 dollars if you have 5c,10c ...... "http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=83 the problem is solved many times on various blogs( solution [here](http://jijingshanlin.blogspot.ca/2012/07/147-dollars.html) ) In dp, the hardest thing is to understand the relation between subproblems and get the formula(optimal substructure) …

Hi! I'm trying to operate a pc using EEG signals, as my academic project. I mean, using our thoughts instead of input devices to handle the operations of a computer. I hav EEG signals which I can process in Matlab. But, after that I hav no idea of how to …

So as part of my computer science course, we have been instructed to build an encryption process. I have a good knowledge on different encryption methods (RSA for example), however I am having a hard time trying to create my own. Now, before anyone says it, I know, using homebrew …

Hi all! First of all I apologize if I am on a wrong forum but I am using this forum first time. I am new to this field and I have a big problem. I take a class for pseudocode and I have an assignment to create a program that …

I know how to convert from infix to prefix or postfix. But how do you wrap parentheses around this problem: a / b * c - d + e * f + g This is how I think it is accomplished: ( ( ( a / b ) * c …

I was wondering what DIM means in psuedocode? I ran across this in my research and I can understand everything except for the DIM and it would help a lot if someone else could let me know what this means. I am working on the simple array process and having …

Hello! I am having a hard time with pseudo-code and I have come up with what is below for this question: Input a list of employee names and salaries, and determine the mean (average) salary as well as the number of salaries above and below the mean. Do you see …

If I have a photograph of a rectangular object whose image recedes with perspective, is it possible to work out the scale of measurements along that object? For example: I have a photograph of a (metric) ruler. The ruler is graduated in centimetres as shown, 30 cms. Is it possible …

I am currently working on a new language design in the Lisp family, which I am calling 'Thelema'. It is intended to be a multi-paradigm language which is related loosely to Scheme and, to a lesser extent, Common Lisp, but with modern concepts such as package management, support for object …

Hey This is the first time i'm posting here I'm doing my bachelors in C.S and currently I'm in my second year. I realize I've a lot of time to think about my FYP. But I want to start gathering ideas about it so that when the time comes I'll …

Hi there, I just started learning algorithms and our lecturer is really crap. I decided to teach myself through introduction to algorithm 3rd edition. Can you recommend any websites or other books for extra reading. Thanks in Advance.

If I have two bytes representing 117, 117 or 1110101 , 1110101 and I want to concatenate them (technically I know how) then which end attaches to which? I understand they will be arranged in memory depending on endianess but overall, is there a standard way of concatenating bytes. Lets …

I want to get the maximum Column5 from both the table and then the maximum Column3 from the table which has max Column5. I don't know if it is the right forum and also am not good in sql :( SELECT max(Column5_1) FROM (SELECT max(Column5) Column5_1 FROM TABLE1 WHERE Column4 …

The company I am working for is trying to rebuild a simple program that views and/or modifies tables using sql. We want this to be a web app. We already have a working desktop app built in Visual Basic 6. Now we are copying the code over to Xojo. The …

Diggit, is funded by the local authority in the Greenwich area. The project is to take young people who are seen at risk of offending and involve them in helping to look after the gardens of the elderly. A young person can be referred to the project from a number …

I know that NP problems can't be solved in polynomial time.But what do NP complete and NP hard problems mean?

I am new to programming and I am having a problem grasping the concept of looping an array. How do I go about doing this?

I am a computer science student and i have to do a miniproject using only c.my project title is "to estimate time complexity of a given algorithm/program code.please tell me how can i initiate that i tried counter,line count it couldn't help,i have to submit my project at the first …

I need help writing this pseudocode please!! Write the pseudocode for an application which loads a one dimensional floating point array named *tests* with 25 test scores from a file. Use the *tests* array to calculate and print the average of the 25 test scores for a class of students. …

Hi anyone here know some good companies that can help with developing my program

We trace recursion using an **internal stack**.How can we relate this to an **activation record **?i.e I want to know the** relation** between an internal stack and an activation record.

Can someone please show me how to declare an array of 20 integers in pseudocode?

Suppose i have a 4 queens problem then i know what state space tree means but i am not able to get what does** solution space** mean?Also what is** difference between brute force and backtracking technique**s.I know that in backtracking if you don't get to a state whose bounded function …

Suppose i have an algorithm whose time is represented by th function T(n)=n^3+2n^2 So what does n mean?

I took a UIL test this weekend, and I don't understand this problem: What is output by //2 in the code to the right? The answer is 540,280, but I'd like to know why. int ct1 = 0; int ct2 = 1; for(int i=0; i<1040;i++){ for(int j=i; j<0; j--){ ct1++; …

Can any body explain to me where i can get resources,learning materials to undertake this project or what i need to know?

i read about it somewhere else and i didn't understand it. that's why i am here seeking good explanatory answer so that i can understand the concept. p q p->q --------------------- TRUE TRUE TRUE TRUE FALSE FALSE FALSE TRUE TRUE FALSE FALSE TRUE I searched alot about it and they …

I would like to propose a link thread for posting listings of sites on CS topics not tied to a specific language. Two that come to mind as being relevant to some of the more common questions would be the [OS Dev Wiki](http://www.osdev.org), and the similarly themed but less established …

Seeing that there are no posts in this forum, I will kick it off with a list of programming tutorial sites and communities that have helped me learn along the way: [url]www.php.net[/url] <--all you need for php! [url]www.tutorialfind.com[/url] [url]www.techtutorials.com[/url] [url]www.tutorialized.com[/url] [url]www.free2code.net[/url] [url]www.programmersheaven.com[/url] [url]www.planetsourcecode.net[/url] [url]www.allsyntax.com[/url] [url]www.arson-network.com[/url] [url]www.tpu.org[/url] [url]www.experts-exchange.com[/url]

So the question is a 2 parter. I believe I have the part a completed right, but not 100% where to add in the second part. The first question is as follows: A. Create an application named Numbers whose main() method hold two integer variables. Assign values to the variables. …

i'm akill studying computer science and engineering in india.my question is which book is good for studying data structure with c programming?

here is an example of **random** binary code : 000000000110000001100000000000000000000001000000 000100000000000001110000001001000010000001101001 000100000000000000101001011001010110010000100000 000000000000000001010100000000000110001000100001 001011000110000001010000001000000010100100000010 000000000000000000001001000000100111010000100001 010000000110000101000010000101000110000101000110 001000000010000000000100000000100001011100000101 the code above is only for clarity and specification my question is : how to **decode** a **random** binary code to plain text ??????? and what are , **generally** , the methods used …

2^(2^n)=O(2^n). Is it true or false? Thanks in advance

please I want to know how to program

Consider the below statement if(i==2) The lexical analyzer reads the source program one character at a time.So if we divide the statement into characters it would divide if into i&f and it would say that i is an identifier.But it doesn't do this.So is there any look ahead mechanism which …

concerning john conway life of death , a grid ,in which there alive cells, form a pattern . This pattern is in the positioning 0 which is called generation 0 . a loop begins and the status of cells , in each generation , change so that the pattern change …

we all know that Caeasar Cipher accepts only alphabets from A-Z and its key is n<=26. Caesar Cipher does not accept numbers. last night , I found an exercise which said that this code a certain code is encoded using Caesar Cipher **BUT** this code is a **composed of numbers …

Hi. I am to develop a Smart Scheduling System using Genetic Algorithm for my final year project. But I don't quiet know where to start. I already red a lot of article about genetic algorithm but don't know how can I implement it into my project. I'm getting really frustrated …

Hello everybody. I have a question related to database design: I am trying to make a database for my translation mini-company. I have two entities: translators and proofreaders. The problem is that some of our translators double as proofreaders, that is, they can work in both areas. The question is, …

Can u tell me some of the best search algorithms using tree concepts, bcoz whenever i try to do so; i only get "Binary Search Tree"...pls help me with this!

Hi all. I'm kinda new in this forum. But I really need answer for this question. I have a project I do for my university which is automated timetabling using Genetic Algorithm. I understand GA through pseudocode, but I don't know how to apply it in timetabling. So can I …

How to calculate time complexity and space complexity of the algorithm?

Hello. I need to draw an activity digarm for a program code called Finite Differene Time Domain (FDTD). I have attached the code in a document where there are all the for loops. The task is given below In the piece of code mentioned, you could look at parallelizing the …

Yesterday while browsing the web, I stumbled upon a blog where the author had written a post regarding what a computer scientist should know, in that list he had given links for further reading. One of these links was to a website [nand2tetris](http://nand2tetris.org/) where the goal is supposedly to build …

Hello everyone, I'm an amateur programmer, and I am working on a program to help me practice my mental math. The essence of this program is that the user inputs an expression which will be the form of each question. Their goal is to solve those expressions as fast as …

i've recently engaged in an argument with my dad about CDs and DVDs vs memory sticks and i basically stated that since nowadays it is common for almost everyone to have at least a 16GB stick, CDs and DVDs are basically becoming useless/non-convenient. he countered me stating that CDs have …