以坐标为观测值的导线近似平差计算表坐标观测值（m）点号AB(1)2345C(6)D坐标改正数（㎜）X26861.43627150.09827286.43429104.74229564.269Y18173.15618988.95120219.44420331.31920547.130H467.102460.912451.446462.178468.518边长D（m）Vx-5-8-12-17-19Vy46101215VH691320221573.261865.3601238.0231821.746507.6816006.071∑Dｆx= Xc- XcｆY=YC′-YCｆH= Hc- Hcｆ=√ｆx+ｆyK=I/(∑D/ｆ)22′′辅助计算X′cYC′20547.130XcYC20547.146ｆx1929564.26929564.250mmmmmmmmｆy-16Hc′468.518Hc468.540ｆH-22ｆ24ｆx2361ｆy2256∑D6006.071ｆ24/1000K1/250000Vxi=-(ｆx/∑D)*(D1+D2+…Di-1)Vyi=-(ｆY/∑D)*( D1+D2+…Di-1)Xi=Xi′+ VxiYi=Yi′+ Vyi算表坐标平差值（m）X31242.68527654.17326861.43127150.09027286.42229104.72529564.25030666.511Y9631.2746814.21618173.16018988.95720219.45420331.33120547.14521880.362H462.874467.108460.921451.459462.198468.540VHi=-(ｆH/∑D)*(D1+D2+…Di-1)Hi=Hi′+ VHi