mirror of
https://github.com/TheAlgorithms/C
synced 2024-11-22 13:31:21 +03:00
45 lines
751 B
C
45 lines
751 B
C
#include<stdio.h>
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#include<conio.h>
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#include<stdlib.h>
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#include<math.h>
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void main()
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{
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float x[20],y[20],a,sum,p;
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int n,i,j;
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clrscr();
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printf("Enter the no of entry to insert->");
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scanf("%d",&n);
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for(i=0;i<n;i++)
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{
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printf("enter the value of x%d->",i);
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scanf("%f",&x[i]);
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printf("enter the value of y%d->",i);
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scanf("%f",&y[i]);
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}
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printf("\n X \t\t Y \n");
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printf("----------------------------\n");
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for(i=0;i<n;i++)
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{
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printf("%f\t",x[i]);
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printf("%f\n",y[i]);
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}
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printf("\nenter the value of x for interpolation:");
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scanf("%f",&a)
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sum=0;
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for(i=0;i<n;i++)
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{
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p=1.0;
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for(j=0;j<n;j++)
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{
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if(i !=j)
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{
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p=p*(a-x[j])/(x[i]-x[j]);
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}
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sum=sum+y[i]*p;
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}
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printf("ans is->%f",sum);
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getch();
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}} |