Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

Visual C++

Posted on 2011-03-24
10
Medium Priority
?
285 Views
Last Modified: 2012-05-11
Hi Experts,
                        How to apply Integral Calculas using VC++ is there any direct function for this.

Regards,
Vimal
0
Comment
Question by:vimalalex
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 5
  • 2
  • 2
  • +1
10 Comments
 
LVL 32

Expert Comment

by:phoffric
ID: 35209281
Sorry, there is no integral calculus built-in function in the C++ Standard Library.
0
 
LVL 32

Expert Comment

by:phoffric
ID: 35209298
Here is what is available in Math:
   http://www.cplusplus.com/reference/clibrary/cmath/
0
 
LVL 37

Expert Comment

by:TommySzalapski
ID: 35209353
You could try one of these libraries.
http://www.mathtools.net/C_C__/Calculus/index.html
0
VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

 
LVL 86

Expert Comment

by:jkr
ID: 35209432
Take a look at this article: http://www.codeproject.com/KB/recipes/FastNumericalIntegration.aspx ("Fast Numerical Integration") which shows a very elegant approach to numerical integration using templates. The result can be as simple as
class DemoFunction
{
public:
    double operator()(double x) const
    {
        return exp(-x/5.0)*(2.0 + sin(2.0*x));
    }
};

DemoFunction f;
int evaluations;
double errorEstimate;
double integral = DEIntegrator<DemoFunction>::Integrate
        (f, 0, 10, 1e-6, evaluations, errorEstimate);
std::cout << integral << ", " << errorEstimate 
          << ", " << evaluations << "\n";

Open in new window

0
 
LVL 2

Author Comment

by:vimalalex
ID: 35217253
Hi All,

                      I am using Visual C++ is there any opensource or free library for thus purpose.

Regards,
Vimal.
0
 
LVL 32

Expert Comment

by:phoffric
ID: 35217274
0
 
LVL 86

Accepted Solution

by:
jkr earned 1000 total points
ID: 35217282
>> is there any opensource or free library for thus purpose.

Well, see the link above: http://www.codeproject.com/KB/recipes/FastNumericalIntegration.aspx ("Fast Numerical Integration")
0
 
LVL 32

Expert Comment

by:phoffric
ID: 35217299

But this open source has more recommendations:
   http://sourceforge.net/projects/gattmath/
0
 
LVL 2

Author Comment

by:vimalalex
ID: 35217380
Hi phoffric,

                    Will this " http://sourceforge.net/projects/gattmath/ " solve the complete requirements of Integration.

Regards,
Vimal.
0
 
LVL 32

Assisted Solution

by:phoffric
phoffric earned 1000 total points
ID: 35217903
This site grants you permission to download this book:
     http://astronu.jinr.ru/wiki/upload/d/d6/NumericalRecipesinC.pdf

You can copy the c code from it, and with the lengthy explanations, you can customize it for your needs.

(My mistake about the previous links - they are not for C/C++.)
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

When we purchase storage, we typically are advertised storage of 500GB, 1TB, 2TB and so on. However, when you actually install it into your computer, your 500GB HDD will actually show up as 465GB. Why? It has to do with the way people and computers…
Today, the web development industry is booming, and many people consider it to be their vocation. The question you may be asking yourself is – how do I become a web developer?
With the power of JIRA, there's an unlimited number of ways you can customize it, use it and benefit from it. With that in mind, there's bound to be things that I wasn't able to cover in this course. With this summary we'll look at some places to go…
In this seventh video of the Xpdf series, we discuss and demonstrate the PDFfonts utility, which lists all the fonts used in a PDF file. It does this via a command line interface, making it suitable for use in programs, scripts, batch files — any pl…

670 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question