created sense approved 均差 · jūnchā · divided difference
均差
jūnchā
divided difference
In numerical analysis, a recursive division process used to calculate coefficients for Newton's form of the interpolating polynomial.
牛顿插值法利用均差来构造插值多项式。
created sense approved 均差 · jūnchā · mean absolute difference
均差
jūnchā
mean absolute difference
A measure of statistical dispersion representing the average of the absolute differences of all possible pairs in a data set.
平均差是反映各变量值与平均数之间差异程度的指标。