Whole new numerical computations

[Axect]

There will be huge update in 0.31.0 - Algebraic Syntax Tree based Automatic Differentiation. Therefore, there will be significant changes in the numerical calculation API accordingly.

1. Optimize (numeric/optimize.rs)
   • [ ] API Change
   • [ ] Documentation
     1. Zeroth order (Not relate to AD)
        • [ ] Bracket minimum
        • [ ] Shubert-Piyavskii
        • [ ] Fibonacci
        • [ ] Golden Section
        • [ ] Quadratic Fit
     2. First Order (Use ADScalarFn)
        • [ ] Bisection
        • [ ] Gradient Descent
        • [ ] Conjugate Gradient
        • [ ] Momentum
        • [ ] Nesterov Momentum
        • [ ] Adagrad
        • [ ] RMSprop
        • [ ] Adadelta
        • [ ] Adam
        • [ ] Hypergradient
2. Regression (numeric/reg.rs)
   • [ ] API Change
   • [ ] Documentation
     1. Linear Regression
        • [ ] Ordinary Least Square
        • [ ] Ridge
        • [ ] LASSO
        • [ ] Principal Component Regression
     2. Nonlinear Regression
        • [ ] Gradient Descent
        • [ ] Gauss-Newton
        • [ ] Levenberg-Marquardt
3. Root Finding (numeric/root.rs)
   • [ ] API Change
   • [ ] Documentation
     1. Bracketing
        • [ ] Bisection
        • [ ] False Position
        • [ ] Secant
     2. First Order
        • [ ] Newton-Raphson