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Program of BAIRSTOW'S METHOD

Posted By: Lucas Silva     Category: C Programming     Views: 17273

Code for Program of BAIRSTOW'S METHOD in C Programming

```#include<stdio.h>
#include<conio.h>
#include<math.h>
#define ESP 0.001
#define F(x) (x)*(x)*(x) + (x) + 10
#define a3 1
#define a2 0
#define a1 1
#define a0 10
//#define c3  0void main()
{
double u,v,u1,v1,u2,v2,b3,b2,p,b1,b0,c2,c1,c0,U,V;
int i=1;
float c3=0;
clrscr();
printf("\nEnter the value of u: ");
scanf("%lf",&u);
printf("\nEnter the value of v: ");
scanf("%lf",&v);
b3=a3;
b2=a2+u*b3;
b1=a1+u*b2+v*b3;
b0=a0+u*b1+v*b2;
c2=b3;
c1=b2+u*c2+v*c3;
c0=b1+u*c1+v*c2;
p=c1*c1-c0*c2;
U=((-(b1*c1-b0*c2))/(p));
V=((-(b0*c1-c0*b1))/(p));
u1=u+U;
v1=v+V;
printf("\n\n b0 = %lf",b0);
printf("\n\n b1 = %lf",b1);
printf("\n\n b2 = %lf",b2);
printf("\n\n b3 = %lf",b3);
printf("\n\n c0 = %lf",c0);
printf("\n\n c1 = %lf",c1);
printf("\n\n c2 = %lf",c2);
printf("\n\n c3 = %lf",c3);
printf("\n\n * * * u = %lf * * *",u1);
printf("\n\n * * * v = %lf * * *",v1);

do
{
u=u1;
v=v1;
b3=a3;
b2=a2+u*b3;
b1=a1+u*b2+v*b3;
b0=a0+u*b1+v*b2;
c2=b3;
c1=b2+u*c2+v*c3;
c0=b1+u*c1+v*c2;
p=c1*c1-c0*c2;
U=((-(b1*c1-b0*c2))/(p));
V=((-(b0*c1-c0*b1))/(p));
u2=u+U;
v2=v+V;
printf("\n\n b0 = %lf",b0);
printf("\n\n b1 = %lf",b1);
printf("\n\n b2 = %lf",b2);
printf("\n\n b3 = %lf",b3);
printf("\n\n c0 = %lf",c0);
printf("\n\n c1 = %lf",c1);
printf("\n\n c2 = %lf",c2);
printf("\n\n c3 = %lf",c3);
printf("\n\n  u = %lf ",u2);
printf("\n\n  v = %lf ",v2);

if(fabs(u1 - u2) < ESP && fabs(v1-v2) < ESP)
{
printf("\n\nREAL ROOT = %.3lf",u2);
printf("\n\nREAL ROOT = %.3lf",v2);
i=0;
}
else
{
u1 = u2;
v1 = v2;
}
}while(i!=0);
getch();
}

/*____________________________     OUT PUT____________________________Enter the value of u: 1.8Enter the value of v: -4 b0 = 3.232000 b1 = 0.240000 b2 = 1.800000 b3 = 1.000000 c0 = 2.720000 c1 = 3.600000 c2 = 1.000000 c3 = 0.000000  u = 2.031250  v = -5.072500 b0 = -0.194891 b1 = 0.053477 b2 = 2.031250 b3 = 1.000000 c0 = 3.656953 c1 = 4.271250 c2 = 1.000000 c3 = 0.000000  u = 2.002230  v = -5.002025 b0 = -0.001389 b1 = 0.006900 b2 = 2.002230 b3 = 1.000000 c0 = 6.121717 c1 = 5.552230 c2 = 1.000000 c3 = 0.000000  u = 2.000623  v = -5.000003 b0 = 0.001859 b1 = 0.002490 b2 = 2.000623 b3 = 1.000000 c0 = 11.224619 c1 = 8.108540 c2 = 1.000000 c3 = 0.000000  u = 2.000287  v = -4.999767REAL ROOT = 2.000REAL ROOT = -5.000*/```
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 Lucas Silva author of Program of BAIRSTOW'S METHOD is from Salvador, Brazil. View All Articles