public static void Main() { Vector vector = new DenseVector(10); for (int i = 0; i < vector.Count; i++) { vector[i] = i; } //The Vector enumerator also returns a KeyValuePair with the key being the //element's position in the Vector and the value being the element's value. foreach (KeyValuePair<int, double> element in vector.GetIndexedEnumerator()) { Console.WriteLine("Position: {0}, Value: {1}", element.Key, element.Value); } //The Vector enumerator each element of the vector foreach (double element in vector) { Console.WriteLine("Value: {0}", element); } }
/// <summary> /// Run example /// </summary> public void Run() { // Format vector output to console var formatProvider = (CultureInfo)CultureInfo.InvariantCulture.Clone(); formatProvider.TextInfo.ListSeparator = " "; // Create new empty vector var vectorA = new DenseVector(10); Console.WriteLine(@"Empty vector A"); Console.WriteLine(vectorA.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 1. Fill vector by data using indexer [] for (var i = 0; i < vectorA.Count; i++) { vectorA[i] = i; } Console.WriteLine(@"1. Fill vector by data using indexer []"); Console.WriteLine(vectorA.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 2. Fill vector by data using SetValues method vectorA.SetValues(new[] { 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0 }); Console.WriteLine(@"2. Fill vector by data using SetValues method"); Console.WriteLine(vectorA.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 3. Convert Vector to double[] var data = vectorA.ToArray(); Console.WriteLine(@"3. Convert vector to double array"); for (var i = 0; i < data.Length; i++) { Console.Write(data[i].ToString("#0.00\t", formatProvider) + @" "); } Console.WriteLine(); Console.WriteLine(); // 4. Convert Vector to column matrix. A matrix based on this vector in column form (one single column) var columnMatrix = vectorA.ToColumnMatrix(); Console.WriteLine(@"4. Convert vector to column matrix"); Console.WriteLine(columnMatrix.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 5. Convert Vector to row matrix. A matrix based on this vector in row form (one single row) var rowMatrix = vectorA.ToRowMatrix(); Console.WriteLine(@"5. Convert vector to row matrix"); Console.WriteLine(rowMatrix.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 6. Clone vector var cloneA = vectorA.Clone(); Console.WriteLine(@"6. Clone vector"); Console.WriteLine(cloneA.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 7. Clear vector cloneA.Clear(); Console.WriteLine(@"7. Clear vector"); Console.WriteLine(cloneA.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 8. Copy part of vector into another vector. If you need to copy all data then use CopoTy(vector) method. vectorA.CopyTo(cloneA, 3, 3, 4); Console.WriteLine(@"8. Copy part of vector into another vector"); Console.WriteLine(cloneA.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 9. Get part of vector as another vector var subvector = vectorA.SubVector(0, 5); Console.WriteLine(@"9. Get subvector"); Console.WriteLine(subvector.ToString("#0.00\t", formatProvider)); Console.WriteLine(); // 10. Enumerator usage Console.WriteLine(@"10. Enumerator usage"); foreach (var value in vectorA) { Console.Write(value.ToString("#0.00\t", formatProvider) + @" "); } Console.WriteLine(); Console.WriteLine(); // 11. Indexed enumerator usage Console.WriteLine(@"11. Enumerator usage"); foreach (var value in vectorA.GetIndexedEnumerator()) { Console.WriteLine(@"Index = {0}; Value = {1}", value.Item1, value.Item2.ToString("#0.00\t", formatProvider)); } Console.WriteLine(); }