[mathematics] 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!

Hi to All! I have a POS Software which I have developed in Java, NetBeans IDE. I am deploying this software on a variety of Windows Computers / Laptops for 5 years. I have used JFormattedTextFields for double data type in the whole Software. And I have set Format of …

hi, What is the mathematical formula to calculate Annual Percentage Rate with Rate, Terms, no. of Payments per Year and Discount Points are given.

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

I'm a student of computer science and mathematics.

There are 3 different types of tags in a library: red, green, blue. There are two different arrangement methods planned for the arrangement of the shelves, and 42 books can be arranged on these shelves. ( mathematical) Lineup A: Red, green, blue books will be lined up in a row …

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 …

"1/2+4/55+7/8+..........."

# What Are Voronoi Diagrams? # Voronoi Diagrams are an essential visualization to have in your toolbox. The diagram’s structure is a data-driven [tessellation](https://en.wikipedia.org/wiki/Tessellation) of a plane and may be colored by random or to add additional information. ## Learn the Lingo ## The set of points that generate the …

Project: Average resistance A student wants to measure a resistivity of a material of certain wire of radius 2 mm, and length of 25 cm. He got the following data Voltage (V): 100, 90, 80, 70, 60, 50, 40, 30, 20, 7 Current (A): 11, 8, 7, 6, 5.7,5, 3.9, …

Truthfully it isn't really that special, but it is a bit cancerous as I only have `atan()` and not `atan2()`... What's special about it is every other function I see seems to be intrinsic with 1 axis needing a `sqrt()` to manage singularities, where what I'm looking to achieve is …

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)

A detective has interviewed four witnesses to a crime. From the stories of the witnesses the detective has concluded that if the butler is telling the truth then so is the cook; the cook and the gardener cannot be be telling the truth, the gardener and the handyman are not …

Hi, can someone help me solve this please I have tried so hard but can't figure it out? In past years, approximately 20% of all U.S. families purchased potato chips at least once a month. You are interested in determining the fraction of all U.S. families that currently purchase potato …

Hello Everyone , I have a Project at university to create term and polynomial class then calculate 2 derivatives I really need help for neccessery I have already started but I couldnt countinue , Hope to help ! Thanks .. Note:The following attatchment contains project Details

I have created a table in a mySQL DB where users are going to a form and entering ratings on 6 Categories (5 Specific and 1 Overall) for a particular item_id. On the item table, I have a column that calculates the total number of ratings this particular item_id has …

Hello, I have task to read the CSV file using C++ , the CSV file contains 10 rows x 3 colums float data and I want to read it and apply some mathematic and then the ouput should be stored in a new array.and the datatype required is double

Hi everyone, I am a mathematician and have limited programming experience, but I would like to know how to automate my online roulette betting. For anyone familiar with roulette, I would like the program to use the fibonacci strategy, where you start by betting 1$ on black or red, and …

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 …

I am working on a math tutoring program that asks the user for a seed value, gives them two random numbers from 1 to 500, and asks them to key in the correct answer. So far, here is my source code: [CODE] #include <iostream> #include <cstdlib> #include <time> #include <conio> …

# Introduction # This tutorial provides guidance on gathering data through web-scraping. However, to demonstrate the real-life issues with acquiring data, a deep-dive into a specific, complicated example is needed. The problem chosen, acquiring the geographic coordinates of gas stations in a region, turns into an interesting math problem that, …

//I want it to ask me for a number at first. Let's say I pass "5" and then type more numbers so I can add them as elements. And in final to make it show reversed elements. Thank u so much!

I try to evaluate working time of Tjuring machine, but I really don't know how to do it. I try to evaluate working time of Turing machine. I understand, I have to calculate number of steps used in every stage. My problem is: how can I know, how many steps …

heloo i need help on how to tackle the problem. some basic ideas and keypoints.

[CODE] //I need to make a class that calculate the mean and standard deviation. I have to test my program with an external file containing about 300 data. My program doesnt return the correct valuesAny help? #include <cstdlib> #include <iostream> #include <cmath> #include <fstream> using namespace std; class Statistics{ double …

Hello, friends. I did the fourth challenge on Project Euler and I'd like to know what I can do to improve the efficiency of my code. Right now it takes 1.562s to run and the source code is as follows: #include <iostream> #include <string.h> using namespace std; int Number = …

https://stackoverflow.com/questions/49183518/independent-paths-of-power-number

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 …

How to add, subtract, multiply and divide 2 different numbers from 2 different form. Pls help me. The code i think is way too simple example: (Result.text = result) (Text1.text = number from form2)(Text2,text = Number from form3). the code i think is like this and this one is not …

I am doing a project for my math class in which I have to choose a topic and connect math concepts to it, and I chose video games. Possible concepts: Quadratics, vectors, probability, trigonometry, statistics, etc. I know this is probably a long shot but anything helps. In what ways …

A while back I came across an article that mentioned genetic algorithms. For those unfamiliar with the term, simply put, rather than finding a solution to a problem by iterating over all possible cases, a genetic algorithm attempts to find a solution by starting with a guess, then generating a …

Hello. I'm using Unity3d to create a simple turret simulation and I have run in to a problem. I need to find the angle to an object from the turret in 3d space. Up to this point I thought I could just take the (arc)trig values retrieved from certain perspectives …

First I was on that console window, and everything seemed easy because I could break everything down and knew EXACTLY what I was doing to get what I wanted done. However, that boring text-window got tiring. I decided to move on, but that was the biggest mistake ever. For over …

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.

Hi, Daniweb. I have this hobby project I'm playing with where I need to generate data for a MonteCarlo simulation. The data needs to fit within a bell-curve around a given mean with a standard-deviation. I'm trying to figure out which random distribution system I need to use and how …

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

Can anyone help me out with this program import java.util.Scanner; public class Quadratic { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("Enter three coefficients for a quadratic equation: "); double a = sc.nextDouble(); double b = sc.nextDouble(); double c = sc.nextDouble(); if (a == 0.0) System.out.println("Error: …

**Bold Text Here**Scenario A die has six faces labelled 1, 2, ..., 6. When a die is rolled, any face has equal chance of showed up. A class die has, among other methods, the method roll() which rolls the die and the method showFace() which reports the face of the …

I'm using mathjax in ckeditor and i want to print the fraction (uploaded here in the link [Click Here](http://tinypic.com/r/23k465g/9)).So,what command i have to write to print that fraction ? Here is what i'm trying : `$$7\(frac\({4}{3}\)\)$$` But it isn't working. So , please suggest me a solution

Well we all have seen the common questions on creating squares and hollow squares out of asterisks in C++, but how about creating a program that prints out a circle in asterisks? Obviously this would look like an oval due to line adjustment, but it would be quite interesting to …

i have an assigment to solve a mathemathical problem of rolling ball its height decrease by 1/4 of its original height. please give me an example. thank you

I am trying to display scores by what the user is requesting either 'Average','Total',or 'Both'. The following is my code for the loop_tester.php and below that is the code for my index.php. I am trying to add a switch statement to the index.php file that will sets values for only …

Hi there, I have a class definition like : class Student{ String name; int sub1; int sub2; int sub3; //... } I have list of all students. I want to get count, average, min, max etc using IntSummaryStatistics. Below is the code for sub1: IntSummaryStatistics sub1Summary = students.stream().collect(Collectors.summarizingInt(s -> s.sub1)); …

Hi Guys Ive come accross an interesting application which sorts out an array. Nothing special about that right? But then it gets a bit messy as it can sort out numerous array based on the original. So Lets say I provide it with an Array of 4 number (3,4,1,2) and …

<Complete copy of assignment deleted by moderator> Do ensure you own the intellectual property rights to everything that you post Do not post copyright-infringing material