Here, step splines of the form $S_k(x_k) = y_k, \ S_k(x_{k+1}) = y_{k+1}, \ S_k(x \in (x_k, x_{k+1})) = a_k, \ \ \forall k \in \left\{1,...,n-1\right\}$ will be described.
Here, step splines of the form $S_k(x_k) = y_k, \ S_k(x_{k+1}) = y_{k+1}, \ S_k(x \in (x_k, x_{k+1})) = a_k, \ \ \forall k \in \left\{1,...,n-1\right\}$ will be described.