差商
difference quotient The ratio of the increment of the function to the increment of the independent variable, i.e., $\frac{f(x+\Delta x)-f(x)}{\Delta x}$.
CSCA 数学 考试术语
difference quotient The ratio of the increment of the function to the increment of the independent variable, i.e., $\frac{f(x+\Delta x)-f(x)}{\Delta x}$.
CSCA 数学 考试术语