adding basic inverse value hessian #130

Job	Run time
Check code is formatted (Black)	7s
Check code is formatted (Black)	7s
Check code is formatted (Black)	7s
pytest (linux/3.9/dev)	2m 55s
pytest (linux/3.9/dev)	2m 49s
pytest (linux/3.9/dev)	3m 28s
pytest (win64/3.9/dev)	9m 48s
pytest (win64/3.9/dev)	9m 48s
pytest (win64/3.9/dev)	9m 48s
pytest (linux/3.10/dev)	3m 28s
pytest (linux/3.10/dev)	3m 28s
pytest (linux/3.10/dev)	3m 28s
pytest (win64/3.10/dev)	12m 58s
pytest (win64/3.10/dev)	12m 58s
pytest (win64/3.10/dev)	12m 58s
pytest (linux/3.11/dev)	3m 54s
pytest (linux/3.11/dev)	3m 54s
pytest (linux/3.11/dev)	3m 54s
pytest (win64/3.11/dev)	13m 51s
pytest (win64/3.11/dev)	13m 51s
pytest (win64/3.11/dev)	13m 51s
pytest (linux/3.12/dev)	3m 25s
pytest (linux/3.12/dev)	3m 25s
pytest (linux/3.12/dev)	3m 25s
pytest (win64/3.12/dev)	13m 43s
pytest (win64/3.12/dev)	13m 43s
pytest (win64/3.12/dev)	13m 43s
	3h 12m 54s

Provide feedback