# Two simple student C programming projects

Project 2:(this project is urgent, please bid immediately)

You need to do a Gaussian elimination algorithm with complete pivoting together with backward substitution to solve Ax = b, where A is an n times n square matrix. The program should read A and b from two input fi les and output the solution x.

Plus, the program should count how many multiplications and additions are done.

It should:

have two command line arguments for the fi lenames. The fi rst argument is the fi le where we

read the A matrix, and the second one is the file where you read the b vector. Each line in a

file represents a row,

use dynamically allocated memory to store the matrix and the vector,

print out an error message and quit if it detects that A is singular**

use counters to count the total number of multiplication and addition operations,

print out the number of operations together with the solution x.

**It should be done if any pivot is zero after the multiplications and additions. Or any other singularity check is ok.

Project 3: (This one's due has almost 10 days more so it's not that urgent.)

In this project, you will design a root finding software for general third degree polynomials using

Newton's method. You will only worry about one-dimensional problems of the form

f(x) = x3+ ax2+ bx + c = 0 (x3 is "x"cube, ax2 is "a" times "x"square)

The program should

 accept fi ve command line parameters, the first three being the polynomial coecients a, b,

and c, the fourth one being the stopping parameter e (defi ned below), and the fi nal one is the

initial guess x0,

 print out (for each iteration i) the current approximate root x(i) and the corresponding function

value f(x(i)),

 determine that it is time to stop when the stopping condition |x(n) - x(n - 1)|<= e is satis ed

and terminate.

You can check Newton's method from wiki or so, to understand it better.

Compétences : Programmation C

Concernant l'employeur :
( 0 commentaires ) Turkey

Nº du projet : #1057977

## 20 freelance font une offre moyenne de \$101 pour ce travail

dobreiiita

Ready to start [url removed, login to view] PM

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wahab14

I have a lot of experience of developing and implmenting algorithms in C++.

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3.5
kkoukos

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abbie3290

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hiddenboy

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conanm

easy!!!!!!!!!!!!!!!!!!!!

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moreshkashikar

project will be delivered to you as per your request and requirements

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ashua

I will complete this task in 3 days as i have gone through similar projects. 3 days and work done of your project.

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keyconcept

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prolancer7

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rahulnagar8

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nileshbosmiya

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AmolHJ

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ashay11

I have programmed similar algorithms during my internship for solving system of linear equation.

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AlonaSoftEng

Please see PM for more details.

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pavan45