docs: improve doctests for ndarray instances in blas/ext/ndarray/slinspace
#28967
| Job | Run time |
|---|---|
| 2m 35s | |
| 2m 35s |
blas/ext/ndarray/slinspace
#28967
| Job | Run time |
|---|---|
| 2m 35s | |
| 2m 35s |