Kanekalon hair is the straightest type of hair to use for Senegalese twists. This is probably the most popular type of hair to use for this particular style. People love it because itâs l ight and soft.
Definition LT. Linear Transformation. A linear transformation, T : U â V , is a function that carries elements of the vector space U (called the domain) to the vector space V (called the codomain), and which has two additional properties.
In the case that the smoothed values can be written as a linear transformation of the observed values, the smoothing operation is known as a linear smoother; the matrix representing the transformation is known as a smoother matrix or hat matrix.