ude #include #include #include /* Defining equation to be solved. Change this equation to solve another problem. */ #define f(x) 3*x - cos(x) -1 /* Defining derivative o
This code is written in c++, I want this code to be convert in matlab.
#include
#include
#include
#include
/* Defining equation to be solved.
Change this equation to solve another problem. */
#define f(x) 3*x - cos(x) -1
/* Defining derivative of g(x).
As you change f(x), change this function also. */
#define g(x) 3 + sin(x)
using namespace std;
int main()
{
float x0, x1, f0, f1, g0, e;
int step = 1, N;
/* Setting precision and writing floating point values in fixed-point notation. */
cout<< setprecision(6)<< fixed;
/* Inputs */
cout<<"Enter initial guess: ";
cin>>x0;
cout<<"Enter tolerable error: ";
cin>>e;
cout<<"Enter maximum iteration: ";
cin>>N;
/* Implementing Newton Raphson Method */
cout<< endl<<"*******"<< endl;
cout<<"Newton Raphson Method"<< endl;
cout<<"Redlich-knowng Method"<< endl;
cout<<"Peng-Robinson Equestion"<< endl;
cout<<"*******"<< endl;
do
{
g0 = g(x0);
f0 = f(x0);
if(g0 == 0.0)
{
cout<<"Mathematical Error.";
exit(0);
}
x1 = x0 - f0/g0;
cout<<"Iteration-"<< step<<":\t x = "<< setw(10)<< x1<<" and f(x) = "<< setw(10)<< f(x1)<< endl;
x0 = x1;
step = step+1;
if(step > N)
{
cout<<"Not Convergent.";
exit(0);
}
f1 = f(x1);
}while(fabs(f1)>e);
cout<< endl<<"Root is: "<< x1;
return 0;
}
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