DSField

class DSField<T, A : ExtendedField<T>>(algebra: A, order: Int, bindings: Map<Symbol, T>) : DSRing<T, A> , ExtendedField<DS<T, A>> (source)

A field over DS.

Parameters

bindings

The map of bindings values. All bindings are considered free parameters.

Constructors

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constructor(algebra: A, order: Int, bindings: Map<Symbol, T>)

Functions

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fun <T : Comparable<T>> Group<T>.abs(value: T): T

Absolute of the comparable value

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open override fun acos(arg: DS<T, A>): DS<T, A>

Computes the inverse cosine of arg.

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open override fun acosh(arg: DS<T, A>): DS<T, A>

Computes the inverse hyperbolic cosine of arg.

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open override fun add(left: DS<T, A>, right: DS<T, A>): DS<T, A>

Addition of two elements.

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open override fun asin(arg: DS<T, A>): DS<T, A>

Computes the inverse sine of arg.

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open override fun asinh(arg: DS<T, A>): DS<T, A>

Computes the inverse hyperbolic sine of arg.

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open override fun atan(arg: DS<T, A>): DS<T, A>

Computes the inverse tangent of arg.

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open override fun atanh(arg: DS<T, A>): DS<T, A>

Computes the inverse hyperbolic tangent of arg.

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open fun binaryOperation(operation: String, left: DS<T, A>, right: DS<T, A>): DS<T, A>

Dynamically invokes a binary operation with the certain name.

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open fun binaryOperationFunction(operation: String): (left: DS<T, A>, right: DS<T, A>) -> DS<T, A>

Dynamically dispatches a binary operation with the certain name.

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open override fun bindSymbol(value: String): DSAlgebra.DSSymbol<T, A>

The same as bindSymbolOrNull but throws an error if symbol could not be bound

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fun <T> Algebra<T>.bindSymbol(symbol: Symbol): T
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open override fun bindSymbolOrNull(value: String): DSAlgebra.DSSymbol<T, A>?

Wraps a raw string to T object. This method is designed for three purposes:

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fun <T> Algebra<T>.bindSymbolOrNull(symbol: Symbol): T?
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open override fun const(value: T): DS<T, A>

A constant expression that does not depend on arguments.

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open override fun cos(arg: DS<T, A>): DS<T, A>

Computes the cosine of arg.

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open override fun cosh(arg: DS<T, A>): DS<T, A>

Computes the hyperbolic cosine of arg.

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fun DS<T, A>.derivative(vararg symbols: Symbol): T
fun DS<T, A>.derivative(symbols: List<Symbol>): T
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open operator fun DS<T, A>.div(arg: DS<T, A>): DS<T, A>

Division of two elements.

open operator fun DS<T, A>.div(k: Number): DS<T, A>

Division of this element by scalar.

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open override fun divide(left: DS<T, A>, right: DS<T, A>): DS<T, A>

Division of two elements.

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open override fun exp(arg: DS<T, A>): DS<T, A>

Computes Euler's number e raised to the power of the value arg.

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open fun export(arg: DS<T, A>): DS<T, A>

Export an algebra element, so it could be accessed even after algebra scope is closed. This method must be used on algebras where data is stored externally or any local algebra state is used. By default (if not overridden), exports the object itself.

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open operator fun <T> Array<T>.get(symbol: Symbol): T
open operator fun DoubleArray.get(symbol: Symbol): Double
open operator fun <T> List<T>.get(symbol: Symbol): T
open operator fun <T> Point<T>.get(symbol: Symbol): T
open operator fun <T> Structure2D<T>.get(rowSymbol: Symbol, columnSymbol: Symbol): T
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open fun indexOf(symbol: Symbol): Int
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open fun leftSideNumberOperation(operation: String, left: Number, right: DS<T, A>): DS<T, A>

Dynamically invokes a binary operation with the certain name with numeric first argument.

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open fun leftSideNumberOperationFunction(operation: String): (left: Number, right: DS<T, A>) -> DS<T, A>

Dynamically dispatches a binary operation with the certain name with numeric first argument.

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open override fun ln(arg: DS<T, A>): DS<T, A>

Computes the natural logarithm (base e) of the value arg.

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open operator override fun Number.minus(other: DS<T, A>): DS<T, A>

Subtraction of number from element.

open operator fun DS<T, A>.minus(arg: DS<T, A>): DS<T, A>

Subtraction of two elements.

open operator fun DS<T, A>.minus(other: Number): DS<T, A>

Subtraction of element from number.

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open override fun multiply(left: DS<T, A>, right: DS<T, A>): DS<T, A>

Multiplies two elements.

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open override fun number(value: Number): DS<T, A>

Wraps a number to T object.

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fun ofDerivatives(vararg derivatives: T): DS<T, A>

Build an instance from all its derivatives.

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open operator override fun Number.plus(other: DS<T, A>): DS<T, A>

Addition of scalar and element.

open operator override fun DS<T, A>.plus(other: Number): DS<T, A>

Addition of element and scalar.

open operator fun DS<T, A>.plus(arg: DS<T, A>): DS<T, A>

Addition of two elements.

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open infix fun DS<T, A>.pow(pow: Number): DS<T, A>

Raises this value to the power pow.

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open override fun power(arg: DS<T, A>, pow: Number): DS<T, A>

Raises arg to a power if possible (negative number could not be raised to a fractional power). Throws IllegalArgumentException if not possible.

fun power(arg: DS<T, A>, pow: DS<T, A>): DS<T, A>
open fun power(arg: DS<T, A>, pow: Int): DS<T, A>

open fun power(arg: DS<T, A>, pow: UInt): DS<T, A>

Raises arg to the integer power pow.

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open fun rightSideNumberOperation(operation: String, left: DS<T, A>, right: Number): DS<T, A>

Dynamically invokes a binary operation with the certain name with numeric second argument.

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open fun rightSideNumberOperationFunction(operation: String): (left: DS<T, A>, right: Number) -> DS<T, A>

Dynamically dispatches a binary operation with the certain name with numeric first argument.

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open override fun scale(a: DS<T, A>, value: Double): DS<T, A>

Scaling an element by a scalar.

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open override fun sin(arg: DS<T, A>): DS<T, A>

Computes the sine of arg.

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open override fun sinh(arg: DS<T, A>): DS<T, A>

Computes the hyperbolic sine of arg.

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open override fun sqrt(arg: DS<T, A>): DS<T, A>

Computes the square root of the value arg.

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fun <T> Group<T>.sum(data: Iterable<T>): T
@PerformancePitfall(message = "Potential boxing access to buffer elements")
fun <T> Group<T>.sum(data: Buffer<T>): T

Returns the sum of all elements in the iterable in this Group.

fun <T> Group<T>.sum(data: Sequence<T>): T

Returns the sum of all elements in the sequence in this Group.

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open override fun tan(arg: DS<T, A>): DS<T, A>

Computes the tangent of arg.

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open override fun tanh(arg: DS<T, A>): DS<T, A>

Computes the hyperbolic tangent of arg.

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open operator fun DS<T, A>.times(arg: DS<T, A>): DS<T, A>

Multiplies this element by scalar.

open operator fun Number.times(arg: DS<T, A>): DS<T, A>

Multiplication of this number by element.

open operator fun DS<T, A>.times(k: Number): DS<T, A>

Multiplication of this element by a scalar.

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open fun <T> Map<Symbol, T>.toList(): List<T>
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open fun <T> Point<T>.toMap(): Map<Symbol, T>
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open fun <T> Map<Symbol, T>.toPoint(bufferFactory: BufferFactory<T>): Point<T>
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open operator override fun DS<T, A>.unaryMinus(): DS<T, A>

The negation of this element.

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open fun unaryOperation(operation: String, arg: DS<T, A>): DS<T, A>

Dynamically invokes a unary operation with the certain name.

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open fun unaryOperationFunction(operation: String): (arg: DS<T, A>) -> DS<T, A>

Dynamically dispatches a unary operation with the certain name.

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open operator fun DS<T, A>.unaryPlus(): DS<T, A>

Returns this value.

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fun variable(index: Int, value: T): DS<T, A>

Build an instance representing a variable.

Properties

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val algebra: A
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Bind a symbol by name inside the ExpressionAlgebra

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Provide a factory for buffers, associated with this Algebra

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val <T> NumericAlgebra<T>.e: T

The e mathematical constant.

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open override val one: DS<T, A>

The neutral element of multiplication

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val order: Int
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The π mathematical constant.

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open override val symbols: List<Symbol>
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open override val zero: DS<T, A>

The neutral element of addition.