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Unconstrained optimization. Function gradient is needed.

Levenberg-Marquardt algorithm
Unconstrained or boundary constrained optimization.

Bound and linear equality/inequality constrained optimization
Linearly constrained optimization.

Nonlinearly equality/inequality constrained optimization
Nonlinearly constrained optimization.

Constrained quadratic programming with box/linear constraints
Constrained quadratic optimization.

Numerical optimization tips and tricks
Case studies for numerical optimization

About variable scaling
Discussion and examples

About preconditioning
Preconditioning strategies

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