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c語(yǔ)言一維數(shù)組求平均值 用VB函數(shù),計(jì)算一維數(shù)組所有元素的平均值。要求,子函數(shù)實(shí)現(xiàn)求平均值,主函數(shù)實(shí)現(xiàn)數(shù)據(jù)輸入及平均值輸出?

用VB函數(shù),計(jì)算一維數(shù)組所有元素的平均值。要求,子函數(shù)實(shí)現(xiàn)求平均值,主函數(shù)實(shí)現(xiàn)數(shù)據(jù)輸入及平均值輸出?函數(shù)Average(mySinge()As Single)As SingleDim sn As Si

用VB函數(shù),計(jì)算一維數(shù)組所有元素的平均值。要求,子函數(shù)實(shí)現(xiàn)求平均值,主函數(shù)實(shí)現(xiàn)數(shù)據(jù)輸入及平均值輸出?

函數(shù)Average(mySinge()As Single)As Single

Dim sn As Single

Dim cn As Integer,i As Integer

cn=UBound(mySinge)-LBound(mySinge)1

對(duì)于i=LBound(mySinge)To UBound(mySinge)

sn sn mySinge(i)

Next i

Average=sn/cn

End Function

將sum初始值sum設(shè)置為0,然后依次累加數(shù)組元素,最后除以元素個(gè)數(shù)n得到平均值。C程序示例如下:#include<stdio。H>double leave(double*a,INTN){intitdoublesum=0For(I=0I<ni)sum=sum a[I]return(sum/N)}intmain(){double[]={1,2,3,4,5,6},meannnn=sizeof(a)/sizeof(double)mean=ave(a,N)printf(“ave=gN”,mean)return N0}