Why do we use gradient descent?

Related questions

1. What is Adam in neural network?
2. Why do we use stochastic gradient descent?
3. Why do we need optimization?
4. How do optimizers work?
5. What are optimizers in neural network?
6. Where is simulated annealing used?
7. What is the purpose of optimization?
8. What are optimizers in deep learning?
9. What's the difference between gradient descent and stochastic gradient descent?
10. What is difference between gradient descent and stochastic gradient descent?

Tags

1. #using
2. #cases
3. #complexity
4. #allows
5. #solution
6. #computational
7. #cheaper
8. #regression
9. #linear
10. #gradient
11. #reason
12. #calculations
13. #computationally
14. #descent
15. #faster