Cross Product Using Math.Net Numerics With C#
Answer : Sample method to do the cross-product of a 3 element vector. using DLA = MathNet.Numerics.LinearAlgebra.Double; public static DLA.Vector Cross(DLA.Vector left, DLA.Vector right) { if ((left.Count != 3 || right.Count != 3)) { string message = "Vectors must have a length of 3."; throw new Exception(message); } DLA.Vector result = new DLA.DenseVector(3); result[0] = left[1] * right[2] - left[2] * right[1]; result[1] = -left[0] * right[2] + left[2] * right[0]; result[2] = left[0] * right[1] - left[1] * right[0]; return result; } You are accessing the API documentation for Math.NET Iridium , which is a discontinued project. The intention was that the Iridium code base should be integrated into Math.NET Numerics , but it seems that the CrossProduct functionality has not been transferred yet, as can be seen in these two discussion threads on the Math.NET Numerics Co...