66 lines
1.7 KiB
C#
66 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using MathNet.Numerics.LinearAlgebra;
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namespace MatrixCalculator
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{
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static class MatrixHelper
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{
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public static bool Equal(Matrix<double> a, Matrix<double> b)
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{
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if (a.RowCount != b.RowCount || a.ColumnCount != b.ColumnCount) return false;
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for (int i = 0; i < a.RowCount; i++)
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for (int j = 0; j < a.ColumnCount; j++)
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if (a[i, j] != b[i, j]) return false;
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return true;
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}
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public static Matrix<double> Power(Matrix<double> mat, int power)
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{
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// Solution
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Matrix<double> sol = Matrix<double>.Build.DenseIdentity(mat.RowCount, mat.ColumnCount);
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if (power < 0) {
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mat = mat.Inverse();
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power *= -1;
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}
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// Now raise to power binary
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for (int i = 0; (1 << i) <= power; i++)
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{
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if ((power & (1 << i)) != 0) sol = (sol * mat);
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mat = (mat * mat);
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}
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// Done
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return sol;
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}
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public static double Max(Matrix<double> mat)
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{
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double max = double.MinValue;
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for (int i = 0; i < mat.RowCount; i++)
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for (int j = 0; j < mat.ColumnCount; j++)
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max = Math.Max(mat[i, j], max);
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return max;
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}
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public static double Min(Matrix<double> mat)
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{
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double min = double.MaxValue;
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for (int i = 0; i < mat.RowCount; i++)
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for (int j = 0; j < mat.ColumnCount; j++)
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min = Math.Min(mat[i, j], min);
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return min;
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}
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}
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}
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