Class DEMA

双重指数移动平均线（DEMA）类型：趋势

双重指数移动平均线（DEMA）由 Patrick G. Mulloy 开发。它通过对近期值赋予更高权重，试图消除移动平均线固有的滞后性。其名称来源于将 EMA 的值翻倍，使其对短期价格变动的反应比普通 EMA 更快。

See

https://www.investopedia.com/terms/d/double-exponential-moving-average.asp

Hierarchy (View Summary)

IndicatorSeries
- DEMA

Index

Constructors

Properties

Accessors

Methods

add getRequiredInputs getResult getResultOrThrow replace update updates

Constructors

constructor

new DEMA(interval: number): DEMA
Parameters
- interval: number
Returns DEMA
Overrides IndicatorSeries.constructor
- Defined in trend/DEMA/DEMA.ts:16

Properties

`Readonly`interval

interval: number

Accessors

isStable

get isStable(): boolean
Returns boolean
Overrides IndicatorSeries.isStable
- Defined in trend/DEMA/DEMA.ts:32

Methods

add

add(input: number): null | number
Parameters
- input: number
Returns null | number
Inherited from IndicatorSeries.add
- Defined in types/Indicator.ts:41

getRequiredInputs

getRequiredInputs(): number
Returns number
Overrides IndicatorSeries.getRequiredInputs
- Defined in trend/DEMA/DEMA.ts:22

getResult

getResult(): null | number
Returns null | number
Inherited from IndicatorSeries.getResult
- Defined in types/Indicator.ts:21

getResultOrThrow

getResultOrThrow(): number
Returns number
Inherited from IndicatorSeries.getResultOrThrow
- Defined in types/Indicator.ts:29

replace

replace(input: number): null | number
Parameters
- input: number
Returns null | number
Inherited from IndicatorSeries.replace
- Defined in types/Indicator.ts:45

update

update(price: number, replace: boolean): number
Parameters
- price: number
- replace: boolean
Returns number
Overrides IndicatorSeries.update
- Defined in trend/DEMA/DEMA.ts:26

updates

updates(inputs: readonly number[], replace?: boolean): (null | number)[]
Parameters
- inputs: readonly number[]
- replace: boolean = false
Returns (null | number)[]
Inherited from IndicatorSeries.updates
- Defined in types/Indicator.ts:51