[math] Forum Topics

This code example shows how to create a dictionary with row,column indexed (r,c) key tuples from a typical list of lists 2D matrix. Also an example is shown of the ease of processing the resulting dictionary.

Okay so I have couple of questions about lists in vb.. Please be aware that it's all related to integers only no strings or others 1. How to sum values of a list? 2. How to sort values of list from highest to lowest? Also how would I display list …

Hi i'm having a trouble with this i got 3 textbox and i format it to Textbox1.Text = Format(Textbox1.Text, "Standard") Textbox2.Text = Format(Textbox2.Text, "Standard") Textbox3.Text = Format(Textbox3.Text, "Standard") which give something like this 1,230.00 2,500.00 1,245.00 and when i add it `Textbox4.text = Val(Textbox1.Text) + Val(Textbox2.Text) + Val(Textbox3.Text)` the result …

Hello all! I am sorry to have to waste your time with such an easy problem but I am stuck with some coders block on this one. I know it is definitely an easy fix I just cannot seem to wrap my head around it at the moment... I do …

Hi Guys, I was trying to code in C for the following. You are given with 2 files, file1.txt and file2.txt. The contents of the file contain INTERGER values. Add the contents of the file and write them to another file file3.txt. My code is as follows #include <stdio.h> #include …

I was just wondering is there a class handling integrals and derivatives or do i have to make methods on my own?

Hello everyone. Im COMPLETELY new to programming and Ruby and i would like to know how i can make this happen: What I want from my program is to understand letters as numbers then add up names into numbers and then retreive previously written names when number x is given. …

Good Day, I have a text file in the .csv format. The file originates as a xlsx (excel) file type. The file looks something like the following. Name Number Lat Long Jan Feb Mar Apr Brockton 24-1670-06 38.145236 145.854921 0.15 0.62 1.25 2.14 Westby 24-7432-04 35.846125 132.743652 0.25 0.94 1.14 …

I have a site for youth basketball, where parents can list their kid to get them onto a team. The listings that get replied to by teams needing players are deleted, but some listing remain on there for months or years. To combat the potential confusion of which grade a …

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 …

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, …

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 …

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 …

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.. …

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 …

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.

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 …

Hi, I'm trying to reverse the ordering of number. I'm given an array of size.. say, 5. WITHIN a do-while loop, I must iterate from element 0 to 4. For example, if the element contains ["Apple", "Banana", "Cow", "Dog", "Egg"], the output of the do-while loop has to be: Apple …

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'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 …

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.

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. …

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 …

.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 …