public double DotSum(LEVector vec)
{
if (Size != vec.Size)
{
throw new ArgumentException("The vectors must be have the same number of dimensions.");
}
return(this.Zip(vec, (x, y) => x * y).Sum());
}
public LEMatrix RemoveColumn(int n)
{
var result = new LEVector[N - 1];
for (int i = 0; i < N - 1; ++i)
{
result[i] = i < n?Column(i) : Column(i + 1);
}
return(new LEMatrix(result));
}
public bool EqualTo(LEVector t)
{
return(this == t);
}
public LEVector Add(LEVector t)
{
return(this + t);
}
public bool Equals(LEVector vec)
{
return(this.Zip(vec, (x, y) => x == y).Count(x => !x) == 0);
}
public double ProjectionLength(LEVector vec)
{
return(Basic.Norm(DotSum(vec) / vec.Length));
}
/// <summary>
/// Projects this vector onto the specified vector.
/// </summary>
/// <param name="vec"></param>
/// <returns></returns>
public LEVector Project(LEVector vec)
{
throw new Exception("Doesn't work");
//return vec * (DotSum(vec) / vec.LengthSquared);
}
public MatrixRow(LEVector v)
{
Data = v.ToArray();
}