39 lines
1.1 KiB
C#
39 lines
1.1 KiB
C#
using System.Numerics;
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using Skeleton.Algebra.DimensionProviders;
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using Skeleton.Utils.Helpers;
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namespace Skeleton.Samples;
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using C22 = Algebra.CategoryOf<IDim2>.OnField<Complex>.FMatrix;
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/// <summary>
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/// </summary>
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public static class C22Samples
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{
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/// <summary>
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/// </summary>
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/// <param name="a"></param>
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/// <returns></returns>
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public static IEnumerable<C22> C22AnySamples(this IEnumerable<double> a)
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{
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(Complex, Complex)[] w = a
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.RISamples()
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.ShuffleZip()
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.ToArray();
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foreach (((Complex, Complex), (Complex, Complex), (Complex, Complex)) info in w.ShuffleZip2())
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yield return new C22(
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info.Item1.Item1, info.Item1.Item2,
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info.Item2.Item1, info.Item2.Item2
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);
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}
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/// <summary>
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/// </summary>
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/// <param name="a"></param>
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/// <returns></returns>
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public static IEnumerable<C22> C22InvertibleSamples(this IEnumerable<double> a)
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{
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foreach (C22 m in a.C22AnySamples())
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if (m.Det().Magnitude > 0.2d)
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yield return m;
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}
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} |