public static DLNPVector operator *(double scalar, DLNPVector vector)
{
DLNPVector result = new DLNPVector(vector.Size);
for (int i = 0; i < vector.Size; i++)
{
result[i] = scalar * vector[i];
}
return(result);
}
public static DLNPVector operator +(DLNPVector a, DLNPVector b)
{
if (a.Size == b.Size)
{
DLNPVector result = new DLNPVector(a.Size);
for (int i = 0; i < a.Size; i++)
{
result[i] = a[i] + b[i];
}
return(result);
}
else
{
throw new InvalidOperationException("Vectors must be of the same size!");
}
}
public IVector Add(IVector v)
{
if (this.Size == v.Size)
{
DLNPVector result = new DLNPVector(this.Size);
for (int i = 0; i < this.Size; i++)
{
result[i] = this[i] + v[i];
}
return(result);
}
else
{
throw new InvalidOperationException("Vectors must be of the same size!");
}
}
public IVector Mul(IVector v)
{
if (this.Columns == v.Size)
{
DLNPVector result = new DLNPVector(v.Size);
for (int m = 0; m < v.Size; m++)
{
for (int i = 0; i < v.Size; i++)
{
result[m] += this[m, i] * v[i];
}
}
return(result);
}
else
{
throw new InvalidOperationException("Matrix and vector size are not compatible!");
}
}
/// <summary>
/// Multiplication of matrix and vector. Vector size must be equal to matrix columns.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns>Vector modified by a matrix</returns>
public static DLNPVector operator *(DLNPMatrix a, DLNPVector b)
{
if (a.Columns == b.Size)
{
DLNPVector result = new DLNPVector(b.Size);
for (int m = 0; m < b.Size; m++)
{
for (int i = 0; i < b.Size; i++)
{
result[m] += a[m, i] * b[i];
}
}
return(result);
}
else
{
throw new InvalidOperationException("Matrix and vector size are not compatible!");
}
}
