/// <summary>
/// Creates a new <see cref="VectorProjOperNode"/> projecting <paramref name="a"/> onto <paramref name="b"/>.
/// </summary>
/// <param name="a">The <see cref="TensorNode"/> to project from.</param>
/// <param name="b">The <see cref="TensorNode"/> to project onto.</param>
/// <returns>A new <see cref="VectorProjOperNode"/> as <paramref name="a"/> projected onto <paramref name="b"/>.</returns>
public static VectorProductOperNode DotProduct(TensorNode a, TensorNode b)
{
VectorProductOperNode node = new VectorProductOperNode(VectorProductMethod.DOT);
node.AddChild(a);
node.AddChild(b);
return(node);
}
public void DotProduct()
{
// Parse
DefaultParser parser = new DefaultParser();
VectorProductOperNode node = new VectorProductOperNode(VectorProductMethod.DOT);
parser.ParseString("<2,1,3>");
node.AddChild(parser.Tree.Root);
parser = new DefaultParser();
parser.ParseString("<1,2,3>");
node.AddChild(parser.Tree.Root);
// Simplify
Simplifier simplifier = new Simplifier();
ExpNode exp_result = node.Execute(simplifier);
// Print
DefaultPrinter printer = new DefaultPrinter();
string str_result = exp_result.Print(printer);
// Compare
Assert.IsTrue(str_result == "13");
}
