예제 #1
0
        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);
            }
        }
예제 #2
0
        /// <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();
        }