When determining empirical formula with test method, estimation value of estimated parameter in regressionequation which is obtained with least square method always is a long number.
用实验方法确定经验公式时,回归方程中用最小二乘方法求得的待估参数的估计值往往是一个很长的数。
2
Applying the methodof mathematical regression analysis, one regression equation was found.
用一元回归分析的方法推导出了一个回归方程。
3
Appling the methodof mathematical regression analysis, one multivariate regression equation are given out.