-determiant of a matrix (modified )

[THIRU-1074]

---increased modularity by splitting up the code into three functions based on logic. ---increased the scalability of code as now it could work on numbers with any digits including decimals ,negative numbers. ---enhanced the readability by following Cofactor expansion method which is simple to implement and easy to understand.(the algorithm is attached as a link)

[THIRU-1074]

Build got passed ,I have included test file to,help me with formatting ,I have converted tab to spaces but not working.............

[siriak]

You still have tabs committed in src/main/java/com/thealgorithms/maths/DeterminantOfMatrix.java. See linter job logs for more information

[THIRU-1074]

I have cleared those tab spaces still!!!! please guide me!

[yanglbme]

Please see the running log in https://github.com/TheAlgorithms/Java/actions/runs/5376950008/jobs/9754791549

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This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions[bot]]

Please reopen this pull request once you commit the changes requested or make improvements on the code. If this is not the case and you need some help, feel free to seek help from our Gitter or ping one of the reviewers. Thank you for your contributions!