What is coefficient

coefficient者係"系數"
意思係一個變數前既數值

例如
the coeff. of (-2x) is (2)
the coeff. of x is 1
the coeff. of 3/x is 1/3

2006-10-13 21:34:56 補充：
coefficient者係「系數」

coefficient means 係數

In mathematics, a coefficient is a constant multiplicative factor of a certain object. The object can be such things as a variable, a vector, a function, etc. For example, the coefficient of 9x2 is 9. In some cases, the objects and the coefficients are indexed in the same way, leading to expressions such as


圖片參考：http://upload.wikimedia.org/math/7/6/b/76bbf332239e3492d6b1e486daa370c1.png

where an is the coefficient of the variable xn for each n = 1, 2, 3, …
第一位給出的例子是錯的

coefficient係協同因素、合作

coefficient=係數