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C# SparseMatrix.RemoveAt方法代码示例

本文整理汇总了C#中SparseMatrix.RemoveAt方法的典型用法代码示例。如果您正苦于以下问题:C# SparseMatrix.RemoveAt方法的具体用法?C# SparseMatrix.RemoveAt怎么用?C# SparseMatrix.RemoveAt使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SparseMatrix的用法示例。


在下文中一共展示了SparseMatrix.RemoveAt方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Main


//.........这里部分代码省略.........
     matrix[2, 3] = "m";
     matrix[3][4] = "n";
     Console.WriteLine(matrix.ToString("E"));
     // check for items
     Console.WriteLine("Check for items ...");
     Console.WriteLine(matrix.ContainsAt(0, 1));
     Console.WriteLine(matrix.ContainsAt(1, 1));
     Console.WriteLine(matrix.Contains("c"));
     Console.WriteLine(matrix.Contains("C"));
     int rowIdx = -1, colIdx = -1;
     matrix.IndexOf("c", ref rowIdx, ref colIdx);
     Console.WriteLine("{0}, {1}", rowIdx, colIdx);
     // check for rows and columns
     Console.WriteLine("Check for rows and columns ...");
     Console.WriteLine(matrix.ContainsColAt(0));
     Console.WriteLine(matrix.ContainsColAt(100));
     Console.WriteLine(matrix.ContainsRowAt(0));
     Console.WriteLine(matrix.ContainsRowAt(100));
     // get first and last non-empty row and column index
     Console.WriteLine("Get first and last non-empty row and column index ...");
     Console.WriteLine(matrix.GetFirstNonEmptyRowIdx());
     Console.WriteLine(matrix.GetLastNonEmptyRowIdx());
     Console.WriteLine(matrix.GetFirstNonEmptyColIdx());
     Console.WriteLine(matrix.GetLastNonEmptyColIdx());
     // get first and last item in row
     Console.WriteLine("Get first and last item in row ...");
     Console.WriteLine(matrix[0].First);
     Console.WriteLine(matrix[3].Last);
     // create another SparseMatrix
     Console.WriteLine("Create another SparseMatrix ...");
     SparseMatrix<string> matrix2 = new SparseMatrix<string>();
     matrix2[0] = new SparseVector<string>(new IdxDat<string>[] {
         new IdxDat<string>(0, "A"),
         new IdxDat<string>(2, "B"),
         new IdxDat<string>(3, "C") });
     matrix2[2] = new SparseVector<string>(new IdxDat<string>[] {
         new IdxDat<string>(1, "D"),
         new IdxDat<string>(3, "E") });
     matrix2[3] = new SparseVector<string>(new IdxDat<string>[] {
         new IdxDat<string>(0, "G"),
         new IdxDat<string>(1, "H"),
         new IdxDat<string>(2, "I") });
     Console.WriteLine(matrix2.ToString("E"));
     // concatenate
     Console.WriteLine("Concatenate ...");
     matrix.AppendCols(matrix2, matrix.GetLastNonEmptyColIdx() + 1);
     Console.WriteLine(matrix.ToString("E"));
     // remove items
     Console.WriteLine("Remove items ...");
     matrix.RemoveAt(0, 1);
     matrix.RemoveAt(3, 5);
     Console.WriteLine(matrix.ToString("E"));
     // directly access to items
     Console.WriteLine("Directly access to items ...");
     int idx = matrix[0].GetDirectIdx(4);
     Console.WriteLine(idx);
     Console.WriteLine(matrix[0].GetDirect(idx));
     matrix[0].SetDirect(idx, "C");
     Console.WriteLine(matrix[1].GetDirect(0));
     matrix[1].RemoveDirect(0);
     Console.WriteLine(matrix.ToString("E"));
     // get properties
     Console.WriteLine("Get properties ...");
     Console.WriteLine("{0:0.00}%", matrix.GetSparseness(matrix.GetLastNonEmptyRowIdx() + 1, matrix.GetLastNonEmptyColIdx() + 1) * 100.0);
     Console.WriteLine(matrix.IsSymmetric());
     Console.WriteLine(matrix.ContainsDiagonalElement());
     Console.WriteLine(matrix.CountValues());
     // perform unary operation
     Console.WriteLine("Perform unary operation ...");
     matrix.PerformUnaryOperation(delegate(string item) { return item.ToUpper(); });
     Console.WriteLine(matrix.ToString("E"));
     // merge
     Console.WriteLine("Merge ...");
     matrix.Merge(matrix2, delegate(string a, string b) { return string.Format("{0}+{1}", a, b); });
     Console.WriteLine(matrix.ToString("E"));
     // clear row and column
     Console.WriteLine("Clear row and column ...");
     matrix.RemoveRowAt(2);
     matrix.RemoveColAt(1);
     Console.WriteLine(matrix.ToString("E"));
     // purge row and column
     Console.WriteLine("Purge row and column ...");
     matrix.PurgeRowAt(2);
     matrix.PurgeColAt(1);
     Console.WriteLine(matrix.ToString("E"));
     // get column copy
     Console.WriteLine("Get column copy ...");
     Console.WriteLine(matrix.GetColCopy(0));
     // transpose
     Console.WriteLine("Transpose ...");
     Console.WriteLine(matrix.GetTransposedCopy().ToString("E"));
     // set diagonal
     Console.WriteLine("Set diagonal ...");
     matrix.SetDiagonal(matrix.GetLastNonEmptyColIdx() + 1, "X");
     Console.WriteLine(matrix.ToString("E"));
     // make symmetric
     Console.WriteLine("Make symmetric ...");
     matrix.Symmetrize(delegate(string a, string b) { return string.Format("{0}+{1}", a, b); });
     Console.WriteLine(matrix.ToString("E"));
 }
开发者ID:viidea,项目名称:latino,代码行数:101,代码来源:Tutorial2_2.cs


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