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汉语拼音：chéng jī

乘法运算中，两个或两个以上的数相乘所得的数，如2×5=10中，10是乘积。简称积。

1. 两个或两个以上的数相乘所得的数。简称积。

• For every possible pair of nodes, the Hopfield net calculates the product of their values and the weight between them.

  Hopfield网络计算每一个可能的节点对的值与它们之间权重的乘积。

• The work can be expressed as the computational cost of each delegate multiplied by the number of elements in the source collection.

  工作可表示为每个委托的计算开销与源集合中元素数量的乘积。

• We call a matrix the generalized cyclic matrix if it can be written the product of a nonsingular diagonal matrix and a cyclic matrix.

  可表为非奇异对角矩阵和循环矩阵乘积的矩阵，我们称其为广义循环矩阵。

• Its proportional to the masses of the two objects Inversely proportion to the square of distance between them.

  引力大小与两物体间的质量乘积成正比，与距离的平方成反比

• The product of these values provides a rough estimate of the total time required to effect the entire migration.

  这些值的乘积提供了完成整个迁移大致所需的总时间。

• The result of a join with no join condition. Each row in a table is matched with every row of another table.

  笛卡尔乘积：不加关联条件进行关联的结果。表中的每一行都跟另外表的所有行匹配。

• The identification index then was uncoupled into the product of elongation percentage and length of tiny cells at the head.

  模型最终将舌形缺陷的标识量解耦为轧件的伸长率和头部微单元长度的乘积。

• It equals to the sum up of cost of each capital multiplying its weighted ratio in the total assets.

  其计算方法为各类资本成本与其在总资本中所占比重的乘积之和。

• The posterior probability can also be expressed in terms of class-conditional density function and prior probability by the Bayes theorem.

  藉由贝氏定理，事后机率亦可等效表示成类别的条件机率密度函数与事前机率的乘积。