摘要:
Probability Theory概率论Trial试验intersection交union并frequency频率difference差additivity可加性complementation对立contain包含equivalent等价mean均值convolution[,kɔnvə'lu:ʃə... 阅读全文
摘要:
Inmathematics, amomentis, loosely speaking, a quantitative measure of the shape of a set of points. The "second moment", for example, is widely used a... 阅读全文