

However if we are only looking for the solution,
we may try the easier way once we arrive at a single 1 in any row in coefficient matrix C
In the above example at step 9 the second row has a 1 at the 2nd column.
This cell corresponds to "b".
We may instead try the operation below:
remember the matrix equation of 9 in full form is:


沒有留言:
張貼留言