The Vandermonde Indexing Function
The Vandermonde indexing function can be used to construct rtable objects of type Array or Matrix.
In the specification of a Matrix, if Vandermonde[V] is included in the calling sequence as an indexing function, where V is a Vector or a list of algebraic values or a name, a Vandermonde Matrix is returned.
Note: A Vandermonde Matrix is a Matrix with entries M[i,j] = V[i]^(j-1).
The specification is the same in the construction of an Array.
A ≔ Array⁡Vandermonde1,2,3,4,5,1..4,1..3
M ≔ Matrix⁡3,shape=Vandermondea,b,c
M ≔ Matrix⁡3,shape=Vandermondev
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