1.2 积规则(The rule of product) 若一程序有两阶段,第一阶段有m种可能作法,第二阶段有n种作法,则依照顺序,整个程序共有m×n种完成的方法。 e.g.
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In this particular case, the execution of the relation will produce a cross product between all the tables and all the owned members that match the criteria explained in the later rule.
在这个特定用例中,关联的执行将会在所有表和所有符合后面规则中解释的标准的用户之间产生一个衔接产品。
By clicking a product in the revenue list, open those rules that contain the selected product in the head of the rule.
单击此收入列表中的一个产品,打开在规则头内包含所选产品的那些规则。
So, product rule is OK for taking the derivative of a dot product.
那么乘积法则对点乘求导没问题。
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