測量數學的計算問題 - 土木
By Zora
at 2011-02-23T20:29
at 2011-02-23T20:29
Table of Contents
請教一下:
最近在演練有關誤差的問題時,有個算是計算上蠻麻煩的問題(可能是我高中數學布太好..)
就是權與(中誤差之平方)成反比
那今天假設有五個觀測量,各觀測量的中誤差都不相同
假設是+1,+2,+3,+4,+5
- - - - -
那今天要求最或是值的中誤差時,一開始要定權
但問題來了...
就是P1:P2:P3:P4:P5=1/1^2:1/2^2:1/3^2:1/4^2:1/5^2....
那大家再找各觀測量的權的比例都是怎麼找比較順手...
我不知道怎麼了,好像把它通分完還搞不太出來比例
煩請高手指點迷津
謝謝
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