[math] Forum Topics

I am a college student in China.My major is math，I want to go to learn programming，but it seems that I can't find a good way，I don't know the correct learning way.I think that I have been lost in useless learning.It's too terrible,my god!

I am interested in technology, however I do not wish to go to university and after stumbling upon the MIT Challenge, I have taken it as a proof of concept. Clearly education is changing, and I would like to take a less traditional route. But before I go too far, …

how can we use math .pi without using impot java.lang.Math*; PROGRAMING LANG:- JAVA

Well, there was a thread about a frequency function and a bell curve in Excel. [url]http://www.daniweb.com/forums/thread295203.html[/url] So here it is how about to do the NORMDIST function in Excel in C#.

I'm not good with math functions at all, but I've searched for a while and couldn't find anyone even touching on this subject. I'd like to have the price of $900 slowly approach $1500 between the dates of April 1st and August 1st. That's about $5 per day, and the …

if i have X,Y(10,20) and the speed is 2, will be: X = X + 2 Y = Y + 2 ? same goes for Z or it depends on direction?(Y or X rotation)

Wanted to let two forms work together. One form would be the input form and the main form would consume this data. I managed to succeed with the help of a few of my friends here at daniweb., who helped me setup a static form. Just posted a bit of …

There are many pictures of hearts out there. I just wanted to draw a picture of a heart on my own from a math formula I found on the net. Seems there are many formulas to find. This is how it looks:  Enjoy!

The present code snippet just does an especific task. This is, given an ordered sequence of natural numbers, starting at zero, generate all the different permutations there can be. When we talk about permutations, the order of the sequence does matter. So, the sequence 0, 1, 2 differs from 2, …

I'm using this snippet to calculate the sum of two table cells. var sum = 0; $('.amount').each(function(){ sum += parseFloat($(this).text()); }); $('.sum').text(sum); But when the sum is for example 40.00 it displays as 40 and as picky as I am, i want it to display as 40.00. So... what to …

Short snippet in C# to do this classic trick, I could not find one on the web. Little, (even none!) error checking is done here.

Have you ever wanted to develop a math parser and evaluator? Are you in such a quandary or just have curiosity or interest in the matter? If so, you may download the complete source version 8.3.48 or later, but be warned there is almost no comment; or instead, follow versions …

Hi Friends. i am working on my internal work. i am having n dynamic rows, Each and every row contain total. i want to sum all the rows total. i have attached the screen shot for the reference

Hello everyone, I am posting this more generically in the software development section to see what might be available and to increase a possible success rate. But enough of that let's get to the question at hand. Recently, in C#, I started back up a project of mine to do …

Sorry for the vague title, but I'm using a PHP snippet on a WooCommerce shop which shows the difference between an old price and a new price (sale price) in a percentage bubble on the page. The thing is it shows also percentages with decimals behind a comma if it's …

I want to show the total qty of these query (total qty from datagridview where ActualQty value will update the values of Used Column) `SELECT COUNT(Software) AS ActualQty FROM tblswlogs WHERE Software='MS EXCEL'` and (**Total** will appear in textbox) `SELECT MAX(used + initialqty) As Total FROM tblswlist WHERE Software = …

Cell C4 has the expression =565+660+709+1093 Is there a function/nest of functions that can output the number of values being added? BIG NOTE: I AM NOT ASKING FOR THE SUM OF THE EXPRESSION!

For my own use, I'd like to develop a small Vector and a Matrix class, independent of some big libraries that exist out there. My question is: Should Vector and Matrix stay two independent entities or should I derive a Vctor frm a Matrix or a Matrix from a Vector? …

Hi everyone i need some help down here. i am trying to connect multiple db and at the same time i want to sum the value of the column. what i have right now is this SELECT SUM(total) as branch1sales FROM icm.sales UNION SELECT sum(total) as branch2sales FROM hism.sales its …

I'm sure this is simple, but I'm having a time trying to figure out how to add two fields from two different tables together. <?php include_once('conn/db.php'); $query = "SELECT SUM(`sold`) AS total FROM veggies"; $stmt = $con->prepare( $query ); $stmt->execute(); while ($row = $stmt->fetch(PDO::FETCH_ASSOC)){ extract($row); echo "<small><u>Plants Sold</u>: {$total}</small>"; } …

Python helps in real life situation to automate things. This program helps you to prep up your kids ability to go over/under ten, which is essential not only by itself, but also when calculating with bigger numbers. Program is not any special, but shows how useful Python can be in …

Good day guys, I would just like to share my code and wanted to do something about it. This code shows a loop inside a loop initializing a two-dimensional array named arr with elements [2] and [5]. Here's my code: #include <iostream> #include <conio.h> using namespace std; int main () …

The .Net Framework uses by default radians in its trigonometry calculations. Find out how to convert degrees to radians to use with C#

Hello. I need to write a program to evaluate a definite integral with Simpson's composite rule. 1.  I know there is a Simpson's rule available in Scipy, but I really need to write it by the following scheme. 2.  , where a, b - limits of …

Hey there, I'm having trouble getting my program to read every instruction to then execute it, as well as displaying everything correctly. Right now my program displays mainly garbage and for now I simply want it to be able to successfully run a simple addition program, so any advice or …

Hi, I want to Count the number of occurences of data in a table, then multiply it in a value from other table, After that I want to sum up the product of count and the value from other table, As of now, I cant count and then multiple but …

Hi, in my polynomial class all the terms consist of a List of tuples (double, uint), representing the coefficient and the exponent; a real and a natural number. The +operator implementation works great, but I was wondering if I could avoid to write two times `grouping.Sum(s => s.Item1)` It somehow …

Hi I have to write program that finds a solution how to put 12 knights to a 8x8 chess board that every square would be dominated by one of the 12 knights. Do you have any suggestions from where I can start?