/// <summary>
/// Create a new sparse vector and initialize each value using the provided init function.
/// </summary>
public static Vector <T> Sparse <T>(int length, Func <int, T> init)
where T : struct, IEquatable <T>, IFormattable
{
VectorBuilder <T> v_builder = BuilderInstance <T> .Vector;
return(v_builder.Sparse(length, init));
}
/// <summary>
/// Create a new sparse vector straight from an initialized vector storage instance.
/// The storage is used directly without copying.
/// Intended for advanced scenarios where you're working directly with
/// storage for performance or interop reasons.
/// </summary>
/// <summary>
/// Create a sparse vector of T with the given size.
/// </summary>
/// <param name="size">The size of the vector.</param>
public static Vector <T> Sparse <T>(int size)
where T : struct, IEquatable <T>, IFormattable
{
VectorBuilder <T> v_builder = BuilderInstance <T> .Vector;
return(v_builder.Sparse(size));
}
/// <summary>
/// Create a vector of the same kind with the provided dimension.
/// </summary>
/// <param name="size">The size of the vector.</param>
/// <remarks>Creates a vector of the same type as the current matrix.</remarks>
public Vector <T> CreateVector(int size)
{
return(Storage.IsDense
? Build.Dense(size)
: Build.Sparse(size));
}
