Eliminate.cs

using Waher.Script.Abstraction.Elements;
using Waher.Script.Exceptions;
using Waher.Script.Model;
 
namespace Waher.Script.Functions.Matrices
{
    public class Eliminate : FunctionOneVariable
    {
        public Eliminate(ScriptNode Argument, int Start, int Length, Expression Expression)
            : base(Argument, Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(Eliminate);
 
        public override IElement Evaluate(IElement Argument, Variables Variables)
        {
            if (Argument is IMatrix M)
            {
                IMatrix N = M.Reduce(true, false, out _, out _)
                    ?? throw new ScriptRuntimeException("Unable to reduce and eliminate matrix.", this);
 
                return N;
            }
            else
                throw new ScriptRuntimeException("Expected matrix argument.", this);
        }
    }
}