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69 lines
2.6 KiB
69 lines
2.6 KiB
// <copyright file="DenseVector.fs" company="Math.NET">
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// Math.NET Numerics, part of the Math.NET Project
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// http://numerics.mathdotnet.com
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// http://github.com/mathnet/mathnet-numerics
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// http://mathnetnumerics.codeplex.com
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//
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// Copyright (c) 2009 Math.NET
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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// </copyright>
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namespace MathNet.Numerics.LinearAlgebra.Double
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open MathNet.Numerics.LinearAlgebra
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/// A module which implements functional dense vector operations.
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module DenseVector =
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/// Initialize a vector by calling a construction function for every element.
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let inline init (n: int) f =
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let v = new Double.DenseVector(n)
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for i=0 to n-1 do
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v.[i] <- f i
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v
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/// Create a vector from a float list.
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let inline ofList (fl: float list) =
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let n = List.length fl
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let v = Double.DenseVector(n)
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fl |> List.iteri (fun i f -> v.[i] <- f)
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v
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/// Create a vector from a sequences.
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let inline ofSeq (fs: #seq<float>) =
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let n = Seq.length fs
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let v = DenseVector(n)
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fs |> Seq.iteri (fun i f -> v.[i] <- f)
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v
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/// Create a vector with evenly spaced entries: e.g. rangef -1.0 0.5 1.0 = [-1.0 -0.5 0.0 0.5 1.0]
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let inline rangef (start: float) (step: float) (stop: float) =
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let n = (int ((stop - start) / step)) + 1
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let v = new DenseVector(n)
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for i=0 to n-1 do
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v.[i] <- (float i) * step + start
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v
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/// Create a vector with integer entries in the given range.
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let inline range (start: int) (stop: int) =
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new DenseVector([| for i in [start .. stop] -> float i |])
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