| Package | Description | 
|---|---|
| org.hipparchus.optim.nonlinear.scalar.gradient | 
 This package provides optimization algorithms that require derivatives. 
 | 
| Modifier and Type | Class | Description | 
|---|---|---|
class  | 
NonLinearConjugateGradientOptimizer | 
 Non-linear conjugate gradient optimizer. 
 | 
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