Iterative Process

/*................... Iterative process.........................
.......................Author:-SUDIPTA KUMAR PAIK......................
.......................NUMERICAL METHOD.................*/


#include math.h>
#include stdio.h>
main()
{
int j,i,N;
float sum,nsum,t,oeq[21][2],eq[21][2];
start:
clrscr();
sum=0.0;

printf("\n Enter [0] to terminate input\n\n");

for(i=0; i<21; efficient="); scanf(" i="="0)" power="); scanf(" n="i;" i="0;" t="eq[i][0]*(-1);" j="0;" i="0;"> else
printf("+%.2fX%.0f",oeq[i][0],oeq[i][1]);
}
if(oeq[i][0]<0)
{
printf("%.2fX%.0f",oeq[i][0],oeq[i][1]);
}
}
printf("=0");

printf("\n\n\n Enter First approximation=");
scanf("%f",&nsum);

while(1)
{ stt:
for(i=0; i sum=sum+oeq[i][0]*pow(nsum,oeq[i][1]);
if(nsum==sum)
{ printf("\n\n Solution=%f",sum);
goto ex;
}
else
{ nsum=sum;
goto stt;
}

}
ex:
nsum=sum;
sum=0.0;
for(i=0; i sum=sum+oeq[i][0]*pow(nsum,oeq[i][1]);
printf("\n\n\n f(%.2f)=%.2f",nsum,sum);

getch();
goto start;
}