Class NDArray<T>

A powerful N-dimensional array object Inspired from https://www.numpy.org/devdocs/user/quickstart.html

Inheritance

System.Object

NDArray<T>

Matrix<TData>

Implements

System.Collections.IEnumerable

System.Collections.IEnumerator

Inherited Members

System.Object.Equals(System.Object, System.Object)

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

Namespace: NumSharp

Assembly: NumSharp.dll

Syntax

public class NDArray<T> : IEnumerable, IEnumerator

Type Parameters

Name	Description
T	dtype

Constructors

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NDArray()

Declaration

public NDArray()

Properties

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Current

Declaration

public object Current { get; }

Property Value

Type	Description
System.Object

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Data

1 dim array data storage

Declaration

public T[] Data { get; set; }

Property Value

Type	Description
T[]

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Item[NDArray<Int32>]

Overload

Declaration

public NDArray<T> this[NDArray<int> select] { get; }

Parameters

Type	Name	Description
NDArray<System.Int32>	select

Property Value

Type	Description
NDArray<T>

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Item[Shape]

Declaration

public NDArray<T> this[Shape select] { get; }

Parameters

Type	Name	Description
Shape	select

Property Value

Type	Description
NDArray<T>

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Item[Slice]

Declaration

public NDArray<NDArray<T>> this[Slice select] { get; }

Parameters

Type	Name	Description
Slice	select

Property Value

Type	Description
NDArray<NDArray<T>>

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Item[IList<Int32>]

Filter specific elements through select.

Declaration

public NDArray<T> this[IList<int> select] { get; }

Parameters

Type	Name	Description
System.Collections.Generic.IList<System.Int32>	select

Property Value

Type	Description
NDArray<T>	Return a new NDArray with filterd elements.

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Item[Int32[]]

Index accessor

Declaration

public T this[params int[] select] { get; set; }

Parameters

Type	Name	Description
System.Int32[]	select

Property Value

Type	Description
T

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NDim

Dimension count

Declaration

public int NDim { get; }

Property Value

Type	Description
System.Int32

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Shape

Data length of every dimension

Declaration

public Shape Shape { get; set; }

Property Value

Type	Description
Shape

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Size

Total of elements

Declaration

public int Size { get; }

Property Value

Type	Description
System.Int32

Methods

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_ParseNumber(T, ref Int32, ref Int32)

Declaration

protected string _ParseNumber(T number, ref int noBefore, ref int noAfter)

Parameters

Type	Name	Description
T	number
System.Int32	noBefore
System.Int32	noAfter

Returns

Type	Description
System.String

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_ToMatrixString()

Declaration

protected string _ToMatrixString()

Returns

Type	Description
System.String

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_ToVectorString()

Declaration

protected string _ToVectorString()

Returns

Type	Description
System.String

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arange(Int32, Int32, Int32)

Declaration

public NDArray<T> arange(int stop, int start = 0, int step = 1)

Parameters

Type	Name	Description
System.Int32	stop
System.Int32	start
System.Int32	step

Returns

Type	Description
NDArray<T>

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dot(NDArray<T>)

Declaration

public NDArray<T> dot(NDArray<T> np2)

Parameters

Type	Name	Description
NDArray<T>	np2

Returns

Type	Description
NDArray<T>

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Equals(Object)

Declaration

public override bool Equals(object obj)

Parameters

Type	Name	Description
System.Object	obj

Returns

Type	Description
System.Boolean

Overrides

System.Object.Equals(System.Object)

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GetEnumerator()

Declaration

public IEnumerator GetEnumerator()

Returns

Type	Description
System.Collections.IEnumerator

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GetHashCode()

Declaration

public override int GetHashCode()

Returns

Type	Description
System.Int32

Overrides

System.Object.GetHashCode()

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inv()

Declaration

public NDArray<T> inv()

Returns

Type	Description
NDArray<T>

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linspace(Double, Double, Int32, Boolean)

Declaration

public NDArray<T> linspace(double start, double stop, int num, bool entdpoint = true)

Parameters

Type	Name	Description
System.Double	start
System.Double	stop
System.Int32	num
System.Boolean	entdpoint

Returns

Type	Description
NDArray<T>

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log()

Declaration

public NDArray<T> log()

Returns

Type	Description
NDArray<T>

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MoveNext()

Declaration

public bool MoveNext()

Returns

Type	Description
System.Boolean

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multi_dot(NDArray<T>[])

Declaration

public NDArray<T> multi_dot(params NDArray<T>[] np2Multi)

Parameters

Type	Name	Description
NDArray<T>[]	np2Multi

Returns

Type	Description
NDArray<T>

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power(T)

Declaration

public NDArray<T> power(T exponent)

Parameters

Type	Name	Description
T	exponent

Returns

Type	Description
NDArray<T>

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Reset()

Declaration

public void Reset()

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reshape(Int32[])

Gives a new shape to an array without changing its data.

Declaration

public NDArray<T> reshape(params int[] shape)

Parameters

Type	Name	Description
System.Int32[]	shape

Returns

Type	Description
NDArray<T>

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Set(Shape, T)

Declaration

public void Set(Shape shape, T value)

Parameters

Type	Name	Description
Shape	shape
T	value

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ToDotNetArray<TCast>()

Declaration

public TCast ToDotNetArray<TCast>()

Returns

Type	Description
TCast

Type Parameters

Name	Description
TCast

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ToString()

Declaration

public override string ToString()

Returns

Type	Description
System.String

Overrides

System.Object.ToString()

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transpose()

Declaration

public NDArray<T> transpose()

Returns

Type	Description
NDArray<T>

Operators

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Addition(NDArray<T>, T)

Declaration

public static NDArray<T> operator +(NDArray<T> np1, T scalar)

Parameters

Type	Name	Description
NDArray<T>	np1
T	scalar

Returns

Type	Description
NDArray<T>

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Addition(NDArray<T>, NDArray<T>)

Declaration

public static NDArray<T> operator +(NDArray<T> np1, NDArray<T> np2)

Parameters

Type	Name	Description
NDArray<T>	np1
NDArray<T>	np2

Returns

Type	Description
NDArray<T>

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Division(NDArray<T>, T)

Declaration

public static NDArray<T> operator /(NDArray<T> np1, T scalar)

Parameters

Type	Name	Description
NDArray<T>	np1
T	scalar

Returns

Type	Description
NDArray<T>

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Division(NDArray<T>, NDArray<T>)

Declaration

public static NDArray<T> operator /(NDArray<T> np1, NDArray<T> np2)

Parameters

Type	Name	Description
NDArray<T>	np1
NDArray<T>	np2

Returns

Type	Description
NDArray<T>

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Equality(NDArray<T>, Object)

Declaration

public static bool operator ==(NDArray<T> np, object obj)

Parameters

Type	Name	Description
NDArray<T>	np
System.Object	obj

Returns

Type	Description
System.Boolean

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Inequality(NDArray<T>, Object)

Declaration

public static bool operator !=(NDArray<T> np, object obj)

Parameters

Type	Name	Description
NDArray<T>	np
System.Object	obj

Returns

Type	Description
System.Boolean

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Multiply(T, NDArray<T>)

Declaration

public static NDArray<T> operator *(T scalar, NDArray<T> np1)

Parameters

Type	Name	Description
T	scalar
NDArray<T>	np1

Returns

Type	Description
NDArray<T>

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Multiply(NDArray<T>, T)

Declaration

public static NDArray<T> operator *(NDArray<T> np1, T scalar)

Parameters

Type	Name	Description
NDArray<T>	np1
T	scalar

Returns

Type	Description
NDArray<T>

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Multiply(NDArray<T>, NDArray<T>)

Declaration

public static NDArray<T> operator *(NDArray<T> np1, NDArray<T> np2)

Parameters

Type	Name	Description
NDArray<T>	np1
NDArray<T>	np2

Returns

Type	Description
NDArray<T>

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Subtraction(NDArray<T>, T)

Declaration

public static NDArray<T> operator -(NDArray<T> np1, T scalar)

Parameters

Type	Name	Description
NDArray<T>	np1
T	scalar

Returns

Type	Description
NDArray<T>

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Subtraction(NDArray<T>, NDArray<T>)

Declaration

public static NDArray<T> operator -(NDArray<T> np1, NDArray<T> np2)

Parameters

Type	Name	Description
NDArray<T>	np1
NDArray<T>	np2

Returns

Type	Description
NDArray<T>

Implements

System.Collections.IEnumerable

System.Collections.IEnumerator

Extension Methods

NDArrayExtensions.HStack<T>(NDArray<T>, NDArray<T>[])

NDArrayExtensions.Sum<TData>(NDArray<TData>, NDArray<TData>)

NDArrayExtensions.Unique<T>(NDArray<T>)

NDArrayExtensions.VStack<T>(NDArray<T>, NDArray<T>[])