Now, in order to express this kind of linear relation, we can use matrices. Amatrix is just a table with Numbers in it.
现在,为了说明这种线性关系,我们可以用矩阵,矩阵就是一个含有数字的列表。
2
Using this technique, a simple 10-line matrix multiply routine could expand to hundreds of lines of code that performs on the order of magnitudes better.
通过使用这种技术,10 行的矩阵相乘例程可以展开成数百行代码,性能可以提高几个数量级。
3
After solving the system of linear algebraic equations, another problem is induced that requires revising this coefficient matrix in order to get a new system of equations.