kmath-core/space.kscience.kmath.expressions/SimpleAutoDiffExpression

SimpleAutoDiffExpression

class SimpleAutoDiffExpression<T : Any, F : Field<T>>(val field: F, val function: SimpleAutoDiffField<T, F>.() -> AutoDiffValue<T>) : FirstDerivativeExpression<T> (source)

A constructs that creates a derivative structure with required order on-demand

Constructors

SimpleAutoDiffExpression

constructor(field: F, function: SimpleAutoDiffField<T, F>.() -> AutoDiffValue<T>)

Functions

fun <T> DifferentiableExpression<T>.derivative(vararg symbols: Symbol): Expression<T>

fun <T> DifferentiableExpression<T>.derivative(name: String): Expression<T>

fun <T> DifferentiableExpression<T>.derivative(symbols: List<Symbol>): Expression<T>

derivativeOrNull

override fun derivativeOrNull(symbols: List<Symbol>): Expression<T>?

Differentiates this expression by ordered collection of symbols.

open override fun derivativeOrNull(symbol: Symbol): Expression<T>

Returns first derivative of this expression by given symbol.

open operator override fun invoke(arguments: Map<Symbol, T>): T

Calls this expression from arguments.

operator fun <T> Expression<T>.invoke(): T

Calls this expression without providing any arguments.

@JvmName(name = "callByString")

operator fun <T> Expression<T>.invoke(vararg pairs: Pair<String, T>): T

@JvmName(name = "callBySymbol")

operator fun <T> Expression<T>.invoke(vararg pairs: Pair<Symbol, T>): T

Calls this expression from arguments.

withDefaultArgs

fun <T> DifferentiableExpression<T>.withDefaultArgs(defaultArgs: Map<Symbol, T>): DiffExpressionWithDefault<T>

fun <T> Expression<T>.withDefaultArgs(defaultArgs: Map<Symbol, T>): ExpressionWithDefault<T>

Properties

val field: F

val function: SimpleAutoDiffField<T, F>.() -> AutoDiffValue<T>