HiI have a function for breaking down (supposedly) a BigInteger into a list, depending on the base! It works when I send it all my small test cases, however, when I do actually try and send it a 'big integer' it falls over, what am I doing wrong? Typical call ...

Hi,I want to do proximity searching based on longatude and latatued over the whole world. Basically I want to be able to have users find all other uses in a database that are close by (say 25 miles or something). So in some places the regions will be sparse and other densly populated.Initially ...

I know many things have been posted about sudoku, but i have another question. is it best to use a 2D array to do this, and how does recurrsion help in solving this?thanks

how to random pick the string out....when we set the total for string eg:string a = " how to pick out the string"if i choose 3 string out, result: how to pick....or......pick out the....or out the string...

hello,i would like to know if anybody could tell me an algorithm for barrel distortion correction. I need to gather positional data of objects from an image and therefore i need the image to be accurate. Any help would be greatly appreciated.cheers

Within a specified lower bounds and upperbounds, generate specified percentage of Random Numbers.For eg., Generate 20% of random numbers out of (0 to 99). i.e., I should get 20 numbers randomly and UNIQUELY from 0 to 99 numbers.Thanks in ...

hello ! im looking for a method to deterine a certain node's hight in a binary tree (that is its distance from the root ) please enlighten me on how to do this if you can thank you

I am going to make a TIFF image viewer and I make that but I am facing some following problem -1. Its viewed big image how I resize every page of the Tiff image file.2. When I am going to make it in applet its not show the image, but in JFrame its show.I am attaching both java source file - 1. ...

how to convert any document file in TIFF File, is there any API to do that

A menu-driven program in which I choose one one of these options and the program will carry out the request. The program will then display the same menu again and get another choice from the user. 1.List students names 2. List credits3. Show total credits4. List gpa's5. Lits gpa's in ...

My Java AP AB teacher has set forth a challenge:As a group, the four students in my class must implement a Priority Queue using a binary heap. This heap, however, needs to be implemented using a binary tree, without storing it in an array. It's more of a wager than an assignment; we are ...

helloi am having some confusion over incrimenting the values of the RGB Colour obj in a loop, so far i hav been able to loop through 1 line of black to red. on the next line i want to change coulor creating a pallet.I am printing 255 pixels per line whith an incrimentation in the coulourThis is ...

helloi am having some confusion over incrimenting the values of the RGB Colour obj in a loop, so far i hav been able to loop through 1 line of black to red. on the next line i want to change coulor creating a pallet.I am printing 255 pixels per line whith an incrimentation in the coulourThis is ...

Hi,I am currently working on a thesis. It involves the use of algorithms and I will also need to implement some 2-D matrix operations in java. I managed to do so however I have a problem in implementing the square root of a 2-D Matrix. Can anyone

Hi buddies,Can u suggest me a method that can return all possible combination of values from a set of values and place it in a txt file?. Anyway i only need the method returning all possible combinations!For example:A = {2.0,3.5,6.7,8.9,9.9,10.0}one of the combination can be: ...

Does any one know any good site where i can find algorithm how cos , sin , etc. fuctions are beeing calculated.Thnx for all the help.

Hello!I "reload" a request (first posted on the Java 2D Forum) hoping for more success, this time:Please, somebody help me, if possible, with an algorithm (or a pointer to such an algorithm) that allows saving an image in a file, with a pre-set resolution (pixels per inch), to have the ...

Does anyone know of a good open source implementation of a Trie. I've been assigned to look into the potential of using AJAX within our organization. As a test case, I'm trying to implement a simple auto-complete application for street addresses. The source of these addresses is a relational ...

I have an int array containing a set of integers, and an empty ArrayList.I want to find the biggest integer and add it into the ArrayList, and then find the second biggest one and add it into the ArrayList as well, and the 3rd biggest one, as so on. How to achieve that? Could anyone write a ...

ok, i have a 8x16 grid of ints. if the grid has a 3 it is an empty space. if it has a 0 it is what im looking for, and if it has a 1 then its a path, basically33333333333333333333333333333333333333333333313333331133333113333331133333303333333333333333333331333333311333333311333333333333ok so ...

Hi,Can anyone help me. I used BigInteger to calculate the factorial. Howeverit always printed error when I insert a number upto 4000.import java.io.*;import java.math.BigInteger;// A class represents factorial calculation.public class Factorial{// main method of the program.public static void ...

Hello all, im a total newbie to java and i need your help urgently, i have two variables that are integers, that store binary numbers i.e.int tmpIntOne, tmpIntTwo;tmpIntOne = 1010;tmpIntTwo = 1110;i want to add these numbers together and return a binary result so far when you add them together ...

I am supposed to write a small program that will process a number of processes that will have a cpu job and io job each.I have not taken the OO class, so not really have to implement patterns or threads.I am just troubled....We have to schedule the Round Robin algorithm. If one process has ...

Suppose one were to make a game, like warcraft 2, where a majority of network data originates by mouse click. Is it possible to only send the mouse click information? Or are the coordinates of the sprites required also?

HiI am trying to write a quadratic sieve. Without posting the code, would anyone be willing to walk me through it, as to be completely honest, I am lost? The examples in the book 'Number Theory with Computer Applications' are as about as useful as a goldfish with a driving ...

I have tried many different sites and algorithms to draw a cubic or quadratic curve in a bufferedimage. all of which have worked but when overlaped with java2d path output of the same curve, some pixel hance points are of by a pixel or two. But the general shape of the curve is true. So i was ...

Hi,ALLI have a question,PLZ heip me.I have a geographic coordinates(-79.65231,43.682334),treat this coordinates as centerpoint.I want to cacluate the rect with width (100m),height(150m)so I want to cacluate corner geographic coordinates.Thanks

do you guys have any idea about post fix.?can you please help me.?I trying to make a calculator program but I can't make my mathematical sentence into a postfix.!

Anyone know how to optimally implement a Hamming distance and weight function?My first stab is this code:/*** Calculates the <b>Hamming distance</b> between 2 ints.* The ints are viewed as binary strings, so the result is the number of bits where the 2 ints differ.* In particular, ...

how to use .setText to set the value on the JLabel if the value is integer type...any other ways can help me to solve this problem..thx..

Using Java, write a method that does an in-order traversal of a binary tree WITHOUT using recursion. based on the following code This program should run to get the output.I think I have this ListNodes method but I need some code to create a binary tree and pass the root node as parameter to ...

HiTrying to code the miller-rabin primailty test, hit a problem and can't quite see where I am going wrong, err, help!public static boolean mr(BigInteger n, int t) throws Exception{//Miller-Rabin Primality Testsrnd = new SecureRandom();BigInteger s = n.subtract(ONE);BigInteger r = ...

Hi there,Is there anyone can help me on how to convert the hexdecimal to ASCII? Or any references that I can look into it? This is ASAP. Thanks.regards,Wooi Meng

I am very new at this.Recently i got a question of making an output of prime numbers with no input involved. class PrimeNum8{ public static void main (String [] args) {int num=2;int i = 2;int q = 1;int term=100;System.out.println("Prime Numbers");if (num==2){System.out.print(num+ " ");}for (int ...

Hi,If I define two hyper-rectanges in n-dimentional space by specifying their coordinates of lower-left corner and upeer-right corner, how can I determine if these two recs intersect with each other?Any hint appreciated!Thanks.

Hello all I recently found a piece of code here I altered it slightly to serve my purpose.I want it to list out all possible combinations of 4 numbers out of from 0 to 9. The code below will do this but the problem is it repeats the same combinations over and over. Can anyone alter the code to ...

Hello. I am writing some java code to model open and closed intervals, as well as a few other areas to do with set theory.More specifically, I have written a class that models a range of numbers. The class is generic in that it allows any subclass of Number for its lower and upper bounds, and ...

Total Posts: 1Help developing an algortimPosted: 03-05-2006 07:11 AMHi,I have been bashing my head with this for a while, so any help is much appreciated!I bascially have ONE arraylist which contains filenames as strings (e.g. file.txt, file1.xml, file2.doc, file2.xml, file2.txt)The arraylist ...

Hi all this is my first post so first of all i would like to say hi!I am wondering if there is a java method which can help me.Given a straight line consisting of two cartesian points - (x1,y1) and (x2,y2) how do i predic predict a new value if i want to theoretically extend it?Maybe this will ...

I have a code that can input an equation ie: 1+4*3; i want it to solve in order of the equation not operations, only the problem is i cant figure out how to store any variables from the tokenizerheres my codeimport java.io.*;import java.util.StringTokenizer;public class Calculator{ public ...

Hi,I need to hash a set of regions. Each region is a set of "start" and "end" coordinates.class Region{ int posStart; int posEnd;}Now the task is to find all regions that contain coordinate "pos" in log time. Regions in the set may intersect.Does anyone have an idea how to do it?Thanks in ...

well i have write a program to compare 2 documents in a text area..for an example,JTextarea a;string doc1= "i love u";string doc2= "love";the output will be print out the matched word in textarea where the "love" will be highlight with colour...how 2 write the code to print out the whole ...

All every one please help me, How to install the cldc and imaps.I download already but i don't know how to install them.

Can anyone think of a more efficient algorithm to calculate # of char differences between two EQUAL-LENGTH strings?Basically I'm trying to avoid function calls such as String.charAt() or even for loops. Since i'm comparing large number of equal length strings, it would be best if there's a ...

HeyFor a learning classifier is common practice to use the same dataset as the training data and the test data? I am asking because i did a college assignment which involved creating just the one dataset which was used as the training data and the test data.If this is a bad approach then when ...

Hello everyone,can someone tell me the approach to implement a lottery program. I want to print out all the possible lottery number of 13.983.816 combinations. The number which i mean is the number of possible combinations of 6 numbers selected from 49 without repetition. Any help would be ...

Hi everybody,I have a problem: i am implementing a java app which is becoming some range values from an algorithm but with this format: .10000E+01 to.10000E+26 .27000E+01 to.10000E+05Plase apologize my ignorance but i do not remember how to convert the values into decimal, to use them in the ...

import java.util.*;public class stringlength{public static void main(String[] args){String p = "i love java very much.but i like it";String t = "i love java very much.but i like it";String[] sentence1 = p.split("\\.");String[] sentence2 = t.split("\\.");String[] EachLine1;String[] ...

Ive been reading an article on the TFIDF algoirthm as an incremental learner, because when analysing text documents it maintains a table of word frequencies for each new document. Just wondering if the algoirthm in itself is an incremental learner or if this depends on how it is ...

Hi! my english is very bad so dont be surprised, i have many mistakes in grammar.i am using the bisection algorithm in my program, but i have a problem.i tried to call bisection for function "x^3/(x^2-3)-x-7" in interval -1,-2 (the root is in interval -1.something).but it didnt work, can ...