How useful is linear algebra?

Related questions

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5. What is the difference between linear algebra and calculus?
6. Is Linear Algebra easy?
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Tags

1. #almost
2. #efficiently
3. #algebra
4. #allows
5. #natural
6. #sciences
7. #areas
8. #linear
9. #mathematics
10. #computing
11. #because
12. #central
13. #phenomena
14. #models
15. #engineering
16. #modeling