John Fredsted

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16 years, 122 days

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These are questions asked by John Fredsted

In a previous thread I, most thankfully, learned that if B := A for some Array A, then B will not be a reinstantiation of A, which is most simply ascertained with the command eval(A = B) which here evaluates true. On several occassions, though, I would like reinstantiation. This, I found out, can be done in at least two ways; B := Array(A), or B := map(eval,A). However, in such simple reinstantiations information about for instance any indexing functions of A is lost. But they can be propagated using the ArrayIndFns(...), as seen from
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