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    Interface BoxedSymbolDefinition

    Make all properties in T optional

    interface BoxedSymbolDefinition {
        algebraic?: boolean;
        complex?: boolean;
        composite?: boolean;
        constant: boolean;
        description?: string | string[];
        domain: undefined | BoxedDomain;
        even?: boolean;
        extendedComplex?: boolean;
        extendedReal?: boolean;
        finite?: boolean;
        holdUntil: "evaluate" | "N" | "simplify" | "never";
        imaginary?: boolean;
        inferredDomain: boolean;
        infinity?: boolean;
        integer?: boolean;
        name: string;
        NaN?: boolean;
        negative?: boolean;
        negativeOne?: boolean;
        nonNegative?: boolean;
        nonPositive?: boolean;
        notZero?: boolean;
        number?: boolean;
        odd?: boolean;
        one?: boolean;
        positive?: boolean;
        prime?: boolean;
        rational?: boolean;
        real?: boolean;
        scope: undefined | RuntimeScope;
        url?: string;
        wikidata?: string;
        zero?: boolean;
        get value(): undefined | BoxedExpression;
        set value(val: undefined | SemiBoxedExpression): void;
        reset(): any;
    }

    Hierarchy (View Summary)

    Index

    Properties

    algebraic? complex? composite? constant description? domain even? extendedComplex? extendedReal? finite? holdUntil imaginary? inferredDomain infinity? integer? name NaN? negative? negativeOne? nonNegative? nonPositive? notZero? number? odd? one? positive? prime? rational? real? scope url? wikidata? zero?

    Accessors

    value

    Methods

    reset

    Properties

    algebraic?: boolean
    complex?: boolean
    composite?: boolean
    constant: boolean

    If true the value of the symbol is constant. The value or domain of symbols with this attribute set to true cannot be changed.

    If false, the symbol is a variable.

    Default: false

    description?: string | string[]
    domain: undefined | BoxedDomain
    even?: boolean
    extendedComplex?: boolean
    extendedReal?: boolean
    finite?: boolean
    holdUntil: "evaluate" | "N" | "simplify" | "never"

    If the symbol has a value, it is held as indicated in the table below. A green checkmark indicate that the symbol is substituted.

    | Operation | "never" | "simplify" | "evaluate" | "N" | | :--- | :----- | | canonical()| (X) | | | | | simplify() | (X) | (X) | | | | evaluate() | (X) | (X) | (X) | | | "N()" | (X) | (X) | (X) | (X) |

    Some examples:

    • i has holdUntil: 'never'
    • GoldenRatio has holdUntil: 'simplify' (symbolic constant)
    • x has holdUntil: 'evaluate' (variables)
    • Pi has holdUntil: 'N' (special numeric constant)

    Default: evaluate

    imaginary?: boolean
    inferredDomain: boolean
    infinity?: boolean
    integer?: boolean
    name: string
    NaN?: boolean
    negative?: boolean
    negativeOne?: boolean
    nonNegative?: boolean
    nonPositive?: boolean
    notZero?: boolean
    number?: boolean
    odd?: boolean
    one?: boolean
    positive?: boolean
    prime?: boolean
    rational?: boolean
    real?: boolean
    scope: undefined | RuntimeScope

    The scope this definition belongs to.

    This field is usually undefined, but its value is set by getDefinition()

    url?: string
    wikidata?: string
    zero?: boolean

    Accessors

    • get value(): undefined | BoxedExpression

      Returns undefined | BoxedExpression

    • set value(val: undefined | SemiBoxedExpression): void

      Parameters

      Returns void

    Methods

    • When the environment changes, for example the numerical precision, call reset() so that any cached values can be recalculated.

      Returns any

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