801 Topics
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| | Hi guys. First of all, I am aware that there is a somewhat similar thread over here. However, it was never really answered and the code given was obscure (I don't like copying stuff anyway) Either way... I want to balance a chemical equation. However, I don't need help on … |
| | Hi Folks, My partner and I are experienced investment professionals with a background in mathematics. We are picking up Python now and we're gonna take this free online class from UC Berkeley on AI programming. We're looking for a third to join in our study group, contrast approaches, discuss topics, …  |
 | Hello everyone :) My name is Milos and I come from Belgrade, Serbia. I am studying Computer Science at the Faculty of Mathematics. Today is my birthday and my wish is to 'expand my knowledge database' and I believe that I am one step closer to that by joining this …  |
| | Hello all a bit of a navel gazing post but I could do with bouncing some opinion off of some people. Excuse the long post. A quick bit of background. I'm 32 and have been programming for about 10 years on and off. My degrees are all in applied mathematics … |
| | I have over 10 text files, each file has exactly 2671 floats e.g. 1.232124234 #line 1 2.324234323 #line 2 . . 1.324234234 # line 2671 I would like to the add together the floats on each line with the float on the corresponding line for each of the 10 files, …  |
| | How to shrink the client area of a multiline textbox (Windows.Forms.Textbox) from the non-client area? That is I need to draw a focus line in-between verticalscrollbar and the text area of textbox (i.e line to be drawn inside textbox). So I need a space between the client area (typable area) … |
| | I am having a problem with a program I wrote.. For the life of me I can't figure out what's wrong with the program.. the program should calculate a random value and then outputs an intrest rate and present value.. The problem is that I am getting zeros instead of …  |
| | I a new c++ programmer, and i started to solve the SPOJ online challenges just practising , and because of my few experiance.. it gives me wrong answers alwayes. See [ **the Challenge** ](http://www.spoj.com/problems/PALIN/) here. My Code : #include<iostream> #include <vector> using namespace std; int reverse(int input) { int last_digit; … |
 | Hi I try to write this program but how I think math? A general store has the following offer. If you shop for a minimum of 200 $ will receive a 5% discount on the full amount. If you shop for at least 400 $, you get 10% off the … |
| | I have one table with content of data with a Status (Yes/No). I want to get sum of total data where status is "yes"and put it into another table and sum of total data where status is "no" and put it into previous table in a different column to maintain … |
 | A Python code example to find an approximate value for x in f(x) = 0 using Newton's method.  |
| | I am using excel 2007. In my file 6 sheets. 4 sheets is data record & 1 sheet is recorder sheet & monthly. Data record sheet name is : FY_2009, FY_2010, FY_2011, FY_2012 & FY_2013. In all above sheet : Part numbers mentioned in column "C2:C60000" Quantity in column "D2:D60000" … |
 | Hello its me again... sorry to keep on posting about my problem well here it goes.. If you see in the attached file.  I have an AM Ervielette, Marriane etc. now i need to add their Total Calls for Ervie and Total Visits same goes to the other.. … |
| | Hello, I am fairly new to c and i am finding it hard to spot why a part of a program I am making is not working. The program lets you work out the area and circumference of a circle. This is the code: #include <stdio.h> #include <math.h> int area() …  |
| | Hi guys, I need some help with a particular part of a C++ DirectX game. My course has tasked me with creating a game similar in look and function to the old missile command arcade game (something like [this](http://www.youtube.com/watch?v=t-cD0XdyQ7s)), however I have hit a bit of a wall in terms … |
| | I'm making a little program with tkinter and trying to get this timer to work. I'm getting a "'float' is not callable" error. Does anyone know what I'm doing wrong? The error happens when it tries to call 'self.clock_start()' def create_widgets(self): #create the main frame self.root = Tk() self.root.title("Learning Timer") … |
| | Hi, I'm really interested in things like image recognition and certain other aspects that Artificial Neural Networks perform really well at and I'm hoping to do a personal project with ANNs in the future. The problem however is that my knowledge of them isn't that elaborate at the moment. All … |
| | I have started using emu8086 and since I’m new to this I got stuck with my project that I have to submit till Friday :((( I need to make a program in assembly that counts how many words in a given sentence are palindromes: For example: Dad loves mom (in … |
| | This Python code allows you to get selected statistics of a story text. It will count lines, sentences, words, list words and characters by frequency, and give the average word length. It should be easy to add more statistics using the dictionaries created.  |
| | Hi guys need help again hope you can help me.. I have a database and i want to Compute all the Total Calls of my 2nd Column I wonder how can i do that? can you give me an example? I'm using Oledb Connection? Thanks in advance. |
| | Hi double[] MyArray = new double[10]; I have 10 numbers and I get average of them. But how can print out how many of the numbers that are smaller than average, and how many of the numbers that are larger than average? |
| | I am trying to create a function which adds an array to another array and replaces the data in the 1st array with the new data. For example, A=A+B. However, when I write my code as below, I get the error C2676:binary '[' : 'const Matrix' does not define this … |
| | I won't be asking for a source code yet. What I need to figure out is the process of a certain Math problem with the equation that seemed to be impossible to be converted to source code. Here it goes: **A certain waveform is 0 volts for time less than …  |
| | I have created a polygon (6 points). Lets call this one, outside polygon. inside the outside polygon I created smaller polygons. I want to flip all of it vertically. I know the points of the outside polygon and I have an ArrayList for the inner polygons. I was able to …  |
 | i was searching for a code to perform binary XOR addition. Exams coming up, and needed to a quick way to create and verify standard array tables. However, i didnt find anything substantial on the internet, so made my own version of it. can anyone take a look and tell … |
| | I'm trying to go thru a file with product codes and rateband prices and quantities (productcode, pricea, qtya, priceb, qtyb, pricec, qtyc, priced, qtyd, pricee, qtye). For a certain group of up to 4 productcodes I need to sum up the values of the price cells after testing the qty … |
 | Hi, I have 2 datagridview. 1 to show TANTOU, TOTAL SUM of DURATION and COUNT of event happened. Another 1 is to show TANTOU, AVERAGE of DURATION and COUNT of event happened. I have use LINQ function to get the result. But how can i combine it so that i … |
| | This program has taken roughly 3 months to develop and now I would like other people to evaluate it for me. It's called Math Tool and it can be useful for you're tring to find out an average of data (i.e. average time) and it's also useful to display it … |
 | Hi all I have been asked to calculate days in a week. I know there is not 24 hours but 23 hours 56 minutes in a siderial day. How do I express that fraction in interactive mode. For example: print 60*23/56/60*7 or something to that effect. Anyone? Glenn.  |
| | I am trying to convert a listbox to an array so i got this line var modarray = listBox1.Items.Cast<String>().ToArray(); but then i also need to use an int array so i tried the following int[] arr = modarray.Cast<int>().ToArray(); but i get an error that suggests that is not possible to …  |
| | I am currently working in a Statistics Calculator which should display mean, standard deviation, median and mode. I have the graphical interface  This one has a text box where you get to write the list and by clicking the button it stores the fist value and goes to … |
| | I am creating a method to multiply 2 polynomial expressions together such that: `3x^5 * 2x^3 = 6x^8` -> Where the coefficients are multiplied and the exponents are added together. My test case for this would look something like the following @Test public void times01() throws TError { assertEquals(Term.Zero, Term.Zero.times(Term.Zero)); … |
| | I have a simple math problem.. But what I would like to do is not have zero display if it equals out to zero... `<? echo $_POST['x'] * $_POST['y']?>` If this equals anything below zero I do not want the number to display. |
 | Hello! How is everyone? I know this program is somewhat simple, but I am working on learning classes, and I am trying to implement this in my code. I pretty sure my mathematics done in the program are correct, or at least on the write track. Here's what I am … |
| | I have a Java class called Term holding polynomials like below public Term(int c, int e) throws NegativeExponent { if (e < 0) throw new NegativeExponent(); coef = c; expo = (coef == 0) ? 1 : e; } I also have an equals method in the same class like … |
| | I cannot get the math right for the higher option. When you run the program, the program will go lower, but it wont go go higher. What is it i need to change? this program is due by the end of my class today and i can't figure it out. …  |
 | #include <stdio.h> #include <stdlib.h> int main() { char word[50]; int wordLength, i, reverseCount; reverseCount = 0; system( " color F5 " ); printf( "\n How many letters does the word have? : " ); scanf( "%i", &wordLength ); printf( " \n Enter word, letter by letter " ); for( i … |
| | I need help with this http://codepad.org/FNUci22s I am posting the ling of code pad because it has a way to execute it, so long story short. I use two different functions seno, sen (both for sin). When using the printf and adressing both to compare results I get from the … |
| | pls i studied mass communication in my first degree, but now i want to move over to software engineering cos i just discovered i have more passion for the software engineering, but the challege is, i dnt have much knowledge about the course and am not too good in mathematics. …  |
| | .class public Contest .super java/lang/Object ; ; Team members: Bianca Cutler ; ; ; ; ; Your assignment is to fill in the fibs method below ; so that it creates (exactly) the output you see in ; fibsgolden.txt ; ; The contest will be won by those entries that … |
| | Hello, I need help with code of sum and average, with a -100 to exit. |
| | I have two tables (points, pointsmatch) Table 'points' have following fields id (int) seriesid (int) team (varchar) points (int) id seriesid team points 1 9 Chennai 4 2 9 Delhi 0 3 9 Kolkata 0 4 9 Mumbai 0 5 9 Bangalore 0 6 9 Mohali 0 7 9 Rajasthan … |
| | Here is my code. I have a problem with the decimals when it comes to "temp /= 100.0". montant = 61; for (int i=0 ; i<7 ; i++) { if (i != posCreancier) { temp = montant/7.0; (temp == 8.7142857142857135) temp *= 100; (temp == 871.42857142857133) temp += 0.5; (temp … |
| | For any integer n > 1, if Al, A2, A3, ... , An, and B are any sets, then (A1 -B) (A2 -B) ... (An -B) = (Al A2 A3 … An) -B. I was able to prove for all sets A, B, and C, (A -B)(C -B)= (AC) - … |
| | I need to create a palindrome tester program that ignores spaces, punctuation and uppercase/lowercase to determine if the string given to the user is a palindrome (same beginning to end as end to beginning). HERE'S WHAT I HAVE SO FAR: String str, another = "y"; int left, right; Scanner scan … |
| | **the code works perfectly, just i got something i dont understand...** i'v been trying to get a hold of recursion and sorting for about 3-4 days now, im getting some of it, but still not happy enough.. i searched for some good code for binary search and merge sort on … |
| | Hello, I have this code: mysql_query("UPDATE users SET BasicLevel = BasicLevel +1 where username='Admin'"); but its not increasing the integer. The field names are correct as well as the username. Can anyone help me? And yes, I am connected to the database.  |
| | help me out, it says rand cant be used as a fuction when compiling. #include <cstdlib> #include <iostream> #include <math.h> #include <ctime> using namespace std; int main(int argc, char *argv[]) { int i,rnumber,number,power,base,rand; int randomise();//initialises random number generator srand(time(0)); cout<<"ten random numbers from 0 to 99\n\n"; for(i=0;i<10;i++){ rnumber= rand()%100; cout<<rnumber<<endl; … |
 | Combining queue and stack link list? hello so here is my question i ave to connect a link lists together, one who behaves like a stack the other like a queue.the numbers used are 11 22 44 77 33 99 66. so the stack link list looks like this 66 … |
 | Hi guys! So I need help with a small problem. I'm using a char pointer array which contains a mathematical expression. For example: "sqrt 25" Now I want to use the inbuild c++ function `sqrt(int))`. I'm first searching in the array for the letters 'sqrt' so that my custom function …  |
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