Example of Use. The following simple example solves a 3x3 linear system Ax=b and computes the

使用范例 下面的例子求解了一个线性方程Ax = b，矩阵规模为 3 * 3,最后算出了残差的范式。

youdao

West of the Pass, after a well-preserved 3x3 defense tower, the Great Wall stops at a steep cliff.

关口以西的长城城墙，在经过一个保存完整的三眼楼之后止于一段陡峭的山崖。

youdao

The challenge is to fill in the numbers 1 to 9 without repeating any number in each row, column, and 3x3 box.

游戏由9个小宫格组成，读者需要在每个空格填上1至9的数字，但每一行（直）、每一列（横）和每个小宫格里的数字不能重复。

youdao

Currently videos cannot be sent via WiFi, although Ballmer has stated that's a feature they're looking to add -- probably also with the 3x3 restriction, we'd guess.

ENGADGET: Zune review