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List of matrices bug Algebra
New
In the other way round regarding
https://help.geogebra.org/t...
LE={{{1, 0, 0}, {0, 1, 0}, {0, 2, 1}}, {{1, 0, 0}, {1, 1, 0}, {0, 0, 1}}, {{1, 0, 0}, {0, 1, 0}, {1, 0, 1}}}
invert members of matrix list by
Sequence(2 * Identity(3)  Element(LE, k),k,1,3)
fails in algebra window
seems to stuck on last index
BTW: should not be possible to do the job by
2 * Identity(3)  LE
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Inverting list LE is also different in CAS in AlgebraView
CAS: LE^1 is correct and AlgebraView LE^1=undefined
perhaps important LE is defined in CAS
https://ggbm.at/dc27zpw5
invert(matrix) is the right form, not invert(list) you can do l1 = Zip(Invert(2Identity(3)  m), m, LE)
Zip((2Identity(3)  m)⁻¹, m, LE) works also
We have different handling of LE^1 in CAS (inverting members of LE) and LE^1 in AlgebraView (undefined). I also tried Zip, but was not successful in CAS but OK in ALgebraView  shouldn't we have consistent handling?
invert(M) = 2 Identity(n)M
I do not need both (Elementarmatrices)  even your postet form do not work (5.0.518)...
BTW:
Product(LE) do not work in CAS  do you see an alternative way (not AlgebraView  is OK there)
there is ever two ways for operations on list: as list or as matrix
this seems change in CAS or algebra view
you can try Product(LE(n),n,1,Length(LE)) in CAS
or Product(element(LE,n),n,1,Length(LE)) if there is problem with short notation
I think there is a bug with the deep of zip of lists in CAS
Thank you, great,
I have not seen, not expected, to use Product in this way  it works, I cannot use short index notation (AlgebraView) because I want to have variables in matrices
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