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在組成条件方程式(或誤差方程式)系數后,即進行組成法方程式系數的計算。組成法方程式系數計算是一項繁重的計算工作,有時由于技術不够熟鍊或疏忽大意,容易發生錯誤。一般在組成一个法方程式系數后,即進行系數横和的检查,如果兩者不互相吻合,必須將同一法方程式的系數重新計算一次甚至數次,以發現錯誤的系數直至与检查横和項完全吻合为止(計算誤差未計算在内)。这样往往因为一个法方程式系數的錯誤而必須將一个法方程式中的全部系數返工計算,所消耗的時間是相当多的。簡捷法是利用法方程式系數的对称特
After composing the coefficient of conditional equation (or error equation), the calculation of compositional equation coefficient is carried out. The composition of the equation coefficient calculation is a cumbersome calculation, and sometimes mistakes are prone to occur because of inadequate or negligent techniques. Normally after the formation of a normal equation coefficient, that is, the coefficient of cross-checks, if the two do not coincide with each other, you must recalculate the coefficients of the same equation once or even several times, in order to find the wrong coefficient until the check and Anastomosis so far (calculation error is not included). This often results in a considerable amount of time being required to be reworked for all coefficients in a normal equation due to a single factor of the French equation. The shortcut method is to use the symmetry of the French equation coefficient