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#### Search: #### Rank

Function: rank (<M>) Computes the rank of the matrix <M>. That is, the order of the largest non-singular subdeterminant of <M>. <rank> may return the wrong answer if it cannot determine that a matrix element that is equivalent to zero is indeed so.

There are also some inexact matches for `rank`. Try `?? rank` to see them.

```(%o1)                                true
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### Related Examples

##### rank

A:matrix [[2,-2,1], [...

rank(A);

Calculate

##### rank

A: matrix [ [2, 3, -1...

rank(A) ;

Calculate

##### rank

A:matrix [[2,-2,1], [...

rank(A);

Calculate

##### rank

A: matrix [ [3, 2, 1]...

rank(A);

Calculate

##### rank

A: matrix [[1,0],[2,3]];

B: matrix [[-1,2],[0,...

rank (A);

Calculate

##### rank

A: matrix [ [3, 2, 1]...

rank(A);

Calculate

##### rank

rank([[1,1,0,0,1,1,0]...

Calculate

##### rank

A: matrix[[-2,4,1],[1...

rank(A);

Calculate

##### rank

A: matrix [[4,1,-6],[...

rank(A);

Calculate

##### rank

A: matrix [[1,0],[2,3]];

rank (A);

Calculate 