Hello,
I've stumbled on a seeming inconsistency while using Fricas and I'm
writing to the mailing list in hopes of getting more understanding of
the issue, or just reporting a bug if the issue is a bug.
Consider the following Fricas session:
(1) -> x : DirectProduct(2, Float) := (2,3)
(1) [2.0, 3.0]
Type: DirectProduct(2,Float)
(2) -> [[(x.j)^i for j in 1..2] for i in 0..1]
(2) [[1.0, 1.0], [2.0, 3.0]]
Type: List(List(Float))
(3) -> [[(x.j)^i for j in 1..2] for i in 0..1]@SquareMatrix(2, Float)
Cannot convert the value from type List(Float) to Float .
(3) -> [[1.0, 1.0], [2.0, 3.0]]@SquareMatrix(2, Float)
+1.0 1.0+
(3) | |
+2.0 3.0+
Type: SquareMatrix(2,Float)
(4) -> [[(x.j)^i for j in 1..2] for i in 0..1]::SquareMatrix(2, Float)
+1.0 1.0+
(4) | |
+2.0 3.0+
Type: SquareMatrix(2,Float)
(5) -> v : SquareMatrix(2, Float) := [[(x.j)^i for j in 1..2] for i in 0..1]
Cannot convert the value from type List(Float) to Float .
(5) -> v : SquareMatrix(2, Float) :=
matrix [[(x.j)^i for j in 1..2] for i in 0..1]
+1.0 1.0+
(5) | |
+2.0 3.0+
Type: SquareMatrix(2,Float)
Why is it that the list collection can't be automatically converted to
a matrix, if an equivalent list of lists (written directly) can?
Why does using the matrix function help, even though it's not
necessary when using a list of lists directly?
Thank you,
Neven Sajko
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