Instance Constructors
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new
SpectralProjectedGradient(projection: (T) ⇒ T = (t: T) => t, tolerance: Double = 1e-6, suffDec: Double = 1e-4, fvalMemory: Int = 30, alphaMax: Double = 1e10, alphaMin: Double = 1e-10, bbMemory: Int = 10, maxIter: Int = 1, initFeas: Boolean = false, curvilinear: Boolean = false, bbType: Int = 1, maxSrcht: Int = 30)(implicit space: MutableVectorField[T, Double])
Type Members
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Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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def
adjust(newX: T, newGrad: T, newVal: Double): (Double, T)
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final
def
asInstanceOf[T0]: T0
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def
bbAlpha(s: T, y: T): Double
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val
bbType: Int
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def
calculateObjective(f: DiffFunction[T], x: T, history: History): (Double, T)
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def
chooseDescentDirection(state: State, f: DiffFunction[T]): T
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def
clone(): AnyRef
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val
curvilinear: Boolean
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def
determineStepSize(state: State, f: DiffFunction[T], direction: T): Double
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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def
infiniteIterations(f: DiffFunction[T], state: State): Iterator[State]
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def
initialState(f: DiffFunction[T], init: T): State
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final
def
isInstanceOf[T0]: Boolean
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def
iterations(f: DiffFunction[T], init: T): Iterator[State]
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val
maxSrcht: Int
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def
minimize(f: DiffFunction[T], init: T): T
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def
minimizeAndReturnState(f: DiffFunction[T], init: T): State
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
projectedVector(x: T, g: T)(implicit vspace: Module[T, Double]): T
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val
projection: (T) ⇒ T
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
takeStep(state: State, dir: T, stepSize: Double): T
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def
toString(): String
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def
updateHistory(newX: T, newGrad: T, newVal: Double, f: DiffFunction[T], oldState: State): History
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
Inherited from Serializable
SPG is a Spectral Projected Gradient minimizer; it minimizes a differentiable function subject to the optimum being in some set, given by the projection operator projection
vector type