The auto correlation of a vector is its cross correlation with itself (see Section 15.2.6). The auto_correlation command computes the auto correlation of a vector.
Example.
Input:
Output:
⎡ ⎣ | 2.0,9.0,15.0,28.0,37.0,44.0,58.0,58.0,68.0,91.0,68.0,58.0,58.0,44.0,37.0,28.0,15.0,9.0,2.0 | ⎤ ⎦ |