[mathematics] Forum Topics

Without using /,% and * operators. write a function to divide a number by 3, itoa() function is available.

import java.util.*; import java.io.IOException; import java.util.Scanner; import java.util.Random; public class LinkedListProgram { public static void main(String[] args) throws IOException { int i,number, ran; Scanner sc = new Scanner(System.in); LinkedList<Integer> list = new LinkedList<Integer>(); ListIterator li; String line; Random random = new Random(); int pick = random.nextInt(150); System.out.println("Enter # of nodes"); …

Hey so this is my code for checking for palindromes...it compiles fine, the problem is it doesnt work. Basically I converted the four sentences into strings without spaces or other characters and added them to a new string called newstr....i used the newstr to check for a palindrome in the …

I've written a Rational Class that takes fractions and can add, subtract, multiply, divide etc. I'm trying to keep my fractions reduced but for some reason, some but not all of my fractions are being reduced. I've posted my code below. I commented the fractions that aren't being reduced as …

Hi, I've got a problem to average lines which have same name. For exemple: > Strawberries 10 15 14 20 Pineapples 14 17 2 18 Apples 4 12 24 18 Strawberries 20 12 13 24 I would like to average values by fruit name. So, for pineapples, that easy, it's …

I'm having a problem getting the number of integers greater than the average in my array to display. I keep getting "You have 1 number greater than the average when there are 5 that are greater. Pls help!!! This is the code I've devolped so far: #include <iostream> using namespace …

on click of Stream radio button the corresponding year should b displayed.. And on click of year the corresponding subjects should be displayed.. But it doesnt workk..!! Plz help...... This is my script: <script type="text/javascript"> function get_value_year() { var rad_val=""; for (var i=0; i < document.userform.myStream.length; i++) { if (document.userform.myStream[i].checked) …

I need to calculate chi squared cdf from x->infinity with n=255 degrees of freedom. I cannot seem to get it to work. You can find formulae for chi squared distributions using google. Here is my non-functional approximation code: double riemannsum(double(*fnc)(double),double dx, double xmin, double xmax) { double ret=0; double x=xmin; …

I'm trying to create a class which finds the sum of multiples for a given base I have the code written with out a class im just having trouble converting it into a class my total function isnt retrieving the data from the object maybe? /* If we list all …

Hi All Im trying to get this to work, but can only get it to work without putting the form tags in, and wont work with more than one set of the inputs. the below is the result when i use ajax to search for item names, then want to …

The vanity pages to look how good and active you are compared to others is back from member's #Community Contributions part underlined links. Thank you Dani, now we know again how good we are! *P.S. How many activity points worth is giving a spammer infraction? ;)*

Write a simple Mathematics quiz application which has six selections as below: 1) To register number of participants and name 2) To set level of difficulty (level: Beginner or Advanced) 3) To start the quiz (default: Beginner level) 4) To display the scores 5) To show ranking 6) To quit …

Hi all pros, can anybody teach me write this programme in c++??? Problem Statement Write a simple Mathematics quiz application which has six selections as below: 1) To register number of participants and name 2) To set level of difficulty (level: Beginner or Advanced) 3) To start the quiz (default: …

Hi, I'm making a windows port of some tftp client / server code [from here](http://www.applied-mathematics.net/myself/myself.html) I've got the server working sucessfully with a diffrent client, however I have come to an impasse with the client code. As I keep getting a server unreachable error, having tried over my local network …

I need a little bit of help with my coding below. Whenever I try to run the second application it gives me momPalindrometrue dadPalindrometrue sisterPalindromefalse racecarPalindrometrue JavaPalindromefalse A man a plan a canal PanamaPalindromefalse Hurray for HollywoodPalindromefalse Mr Owl ate my metal wormPalindromefalse Was it a car or a cat …

Hello, I'm trying to write a program using MIPS Assembly Language (I write the code in TextWrangler and run it in QTSpim) I was wondering how I would go about checking if a number is perfect or not. I know my first lines of code may be partially incorrect but …

I want to be able to write a program that repeatedly prompts the user to enter an integer. The program determines if that numbers is perfect and then writes out a message saying if it is or not, then prompts once again. I'll end the loop (and the entire program …

Hello all, I am having some trouble with my assembly code...still kind of new, but here it goes... The assignment is to desing an assembly program that uses a dialog box to prompt the user for a number. These numbers will be stored in an array. There will be an …

Hello problem i am having is when trying to multiply polynomial 1 by polynomial 2 polynomial 1 gets mutliplied by the first term in polynomial 2 and not by each term in polynomial 2. Below is my code: ~~~~ /********************************************************************************************* * Multiplies Polynomial 1 to Polynomial 2 * The method …

I am trying to compute 2x-x+4x, so the answer should be 5x. but i am not sure how to get started. The "x"'s are messing me up. I am thinking of using for loop and replace x with '\0'. and than add or sub starting from left to right. but …

Good day, My Data Structure teacher asked me to do a list of exercises, and one of the questions consists of writing a program to solve the numbers decomposition problem, for example: If the user types the number 5: 5 4 + 1 3 + 2 3 + 1 + …

I've decided to try to create a small (very) game in Javascript + HTML, using the Canvas element. So far, its gone pretty well, but recently I started on bullets. This also has gone well. I've decided to try to implement a bullet-goto-mouse type thing. I know this uses trigonometry, …

So ive been trying to get an average of this array needed, and I seem to be having trouble with it. So far, my current code just adds the numbers up, but doesnt really average them out at all: [CODE]import java.util.Scanner; import java.util.Arrays; public class Grades { public static void …

I really want to create a game or an app for android and I was wondering if you guys can give me an advice? I'm still learning java; I'm good but I'm not a pro(still in college). Do you think that I should keep working on java tell I'm really …

Currently having trouble completing my code homework for my class. Help would be greatly appreciated. Write a menu-driven C++ program to manage employee data. Your program should begin by reading in a file of employee information (filename employdata.txt). Each data line contains the following information: {hire date} {employee ID} {salary} …

Hi every one I am trying to upload a file on server but it is not uploading and always giving an error HEre is code. Please help. Its urgent [CODE] <?php session_start(); if(!session_is_registered(username)){ header("location:login.php"); } if($_REQUEST['title'] != '' && $_REQUEST['type']!='' && $_REQUEST['category'] != '' && $_REQUEST['sub']!=''&&$_REQUEST['elm3'] != '') { require("db.php"); …

I have to find factors of 1-10 then count all factors and find if they are odd/even. I know how to find if they are even or odd i just can't count how many factors for each number. #include <iostream.h> #include <stdlib.h> int main() { int num, icntA, icntB, icntC, …

I have a school project and what is needed is to Write a program that prompts the instructor to enter the 10 grades of midterm 1 and store these numbers in an array. Next prompt for the 10 grades of midterm 2 and store these numbers in a different array. …

Hello, I'm currently studying and sometime soon will have to do a final year project (which runs through the year).. Now I've been looking at stuff om image recognition and although it interests me I want to do some kind of signals or signalling. My idea is to capture the …

Hi, I am currently newbie in C++, I just learned it for around 2 weeks, My question is when I put the number, it shows if it's a prime number or not. The only problem when I put 2 and 3, it supposed to be prime numbers, but the fact …

I am getting an error during the build stating: "Illegal call of non-static member function" and I cannot figure out 1) what does this mean, or 2) how to resolve it. For detailed clarification, I will type out what the assignment was (I say was because the assignment was due …

It reads in the whole file.. thing is, it crashes right after it hits the last line in the file.. the file is 115 lines long.. it prints all 115 lines but for some odd reason, it crashes right after :S If I remove the blank line at the end …

Greetings, I'm making a program that draws a certain mathematics function. Here's the problem,my x and y axis aren't defined as the picturebox's. What I mean is that my axis are not located in the top left corner of the picturebox. So normally, the function would start from the top …

I need to Compute 2x4 +7x3 -15x2 +3x+2 Using Horners Method. When I run this in QTSpim it doesn't give me any errors but I'm just wondering if everything is running completely right. For instance did I call "x" correctly? I'm trying to load the value for x from memory …

I'm writing this program to calculate the best fit line. It's not finished. I'm doing it step to step to make sure it runs so I don't get lots of errors and totally freak out at the end. Right now it runs fine, but something is really off with the …

I wrote this code for a homework problem. The question asks for the inputs to be an array representing a polynomial along with the degree of the polynomial and the value of x. Then it has to return the derivative of the polynomial. Until I ask the program to output …

Please tell me why it gives me always zero value? [CODE]<?php $total =0; $memid = $_POST['username']; $leg = $_POST['leg']; mysql_connect ("host", "usr", "paswd") or die ('Error: ' .mysql_error()); mysql_select_db ("dbname"); function getTotalLeg($memid,$leg){ $sql="select $leg from `users` where `username`='$memid' "; $res=mysql_query($sql); $row=mysql_fetch_array($res); global $total; $total = $total+mysql_num_rows($res); if($row['$leg']!=''){ getTotalLeg ($row['$leg'],'lname'); getTotalLeg …

I wrote this code for an assignment that asked to create a program that calculates and displays the average of any amount of real numbers. The program is supposed to ask the user how many numbers they want to enter and then use a loop to ask the user to …

I wanted to write a program to check if string entered is a palidrome. I wrote a program but i get errors while compiling. Can anyone help me identify errors in the program. [CODE] #include<iostream> #include<string> int main(){ string input;bool flag=false; cout<<"Enter String: "; cin>>input; cout<<"You Entered "<<input; int length= …

hello friends of this site me sadiaali from karachi pakistan i'm new here i want to be a developer my interest is in this field but my logic nd mathematics is poor anyone can help about this,,,,

Hi, I'm trying to find a way to solve this equation with two unknowns using Python: [QUOTE](a * b) = (x * c) + (y * d) + e [/QUOTE] Where a, b, c, d and e are all floating numbers provided by the user and x and y are …

I am having some problems with my "sum of numbers program," and cannot figure out why I am not getting the correct answers. This is my first Assembly programming class, so take it easy on me, please. The assignment is: Prompt a user for an integer n, compute the sum …

Hi. I've seen that it's a custom here to present yourself if you are new to Daniweb. Well, this is my laime attempt on doing such: [b]Name[/b]: Lucaci Andrew [b]Age[/b]: 19 [b]Primary role[/b]: Currently, I'm a student of Babeş-Bolyai University Faculty of Mathematics and Computer Science, from Cluj-Napoca, Romania. [b]Main …

pls help.. I have a to create a timecard calculator. it goes this way txtbox1 is for their 1st in txtbox2 is for their 1st out textbox3 is for the difference of txtbox1 and textbox2 txtbox4 is for their 2st in txtbox5 is for their 2st out textbox6 is for …

I'm writing a program that checks a txt file with a list of words (one word per line). I'm just this side of done, I think. [CODE]def StripPunctuation(s): answer="" for c in s: if c.islower() or c.isupper(): answer=answer+c.lower() return answer def Reverse(s): answer="" for c in s: answer=c+answer return answer …

I am trying to get the program's decimal to output in two decimal places after the decimal. Please advise. [CODE] // MilesPerGallon.java // Program designed by XY import javax.swing.JOptionPane; // Needed for JOptionPane. import java.text.DecimalFormat; // Keeping proper decimal format. public class MilesPerGallon { public static void main(String args[]) { …

need help here's code I'm almost finish I'm trying to find out how can i search down to the student who is taking at least two database classes here's the code [code] drop table student; create table student (student_id varchar(10) primary key not null, student_name varchar(10), major varchar(20), gpa decimal(10,1)); …

/*PROGRAM TO PRINT SUM OF THE FOLLOWING SERIES - X + X*X/2! + X*X*X/3! + X*X*X*X/4!....n terms. I'm not getting the correct output. eg-for n=3 and x=2; compiler's ans = 4.66 correct ans = 5.3. HELP ME OUT...*/ [CODE]#include<iostream.h> #include<math.h> #include<conio.h> void main () { clrscr(); float x,sum=0; int n,fact=1,j,k; …

Hello, My question is if I have program programmed by matlab and I want program an interesting interface using another program language such as visual basic ,can I do that? Please give me suggestions about programming wonderful interface using matlap or any other language can integrated with matlap because the …

Hello, My question is if I have program programmed by matlab and I want program an interesting interface using another program language such as java ,can I do that? Please give me suggestions about programming wonderful interface using matlap or any other language can integrated with matlap because the original …