double Lerp(double x0,double y0,double x1,double y1,double x)
{
double dy = y1 - y0
if(dy == 0){
printf("除0错误!\n")
return 0
}
return x * (x1 - x0) / dy
}
int main()
{
double x0,x1,y1,y0,x,y
printf("Inptu x0 y0 x1 y1 x:")
scanf("%lf %lf %lf %lf %lf",&x0,&y0,&x1,&y1,&x)
y = Lerp(x0,y0,x1,y1,x)
printf("y = %lf\n",y)
return 0
}
a=[3.946 05.193 505.762 1006.311 1506.795 2007.257 2507.704 3008.170 350...8.603 4009.073 4509.511 50010.001 55010.435 60010.932 65011.400 700...
11.938 75012.428 80012.995 85013.560 90014.246 95015.063 1000]
x=a(:,2)
y=a(:,1)
x2=1:60:1200
y2=interp1(x,y,x2, 'pchip')
plot(x,y,'bo',x2,y2,'r*')
legend('千分尺数据','分段插值数据','Location', 'Best')
grid on
xlabel('x 容量值(L)'),ylabel('y 电流值(mA)')
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