CAS: Product of list of matrices

hawe shared this problem 3 years ago

Solved

L:={{{0, 0, 1, 0}, {0, 1, 0, 0}, {1, 0, 0, 0}, {0, 0, 0, 1}}, {{1, 0, 0, 0}, {1, 1, 0, 0}, {0, 0, 1, 0}, {0, 0, 0, 1}}, {{1, 0, 0, 0}, {0, 1, 0, 0}, {1, 0, 1, 0}, {0, 0, 0, 1}}, {{1, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}, {(-1), 0, 0, 1}}, {{1 / 2, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}, {0, 0, 0, 1}}, {{1, 0, 0, 0}, {0, 0, 0, 1}, {0, 0, 1, 0}, {0, 1, 0, 0}}, {{1, 0, 0, (-1)}, {0, 1, 0, 0}, {0, 0, 1, 0}, {0, 0, 0, 1}}, {{1, 0, 0, 0}, {0, 1, 0, 0}, {0, (-1), 1, 0}, {0, 0, 0, 1}}, {{1, 0, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 0}, {0, (-1), 0, 1}}}

product(L)

fails in CAS in Algebra View OK

Any ideas build the product in an other way?

The same problem

Comments (7)

Michael Borcherds ● 3 years ago

Thanks, fixed for next release (v524)

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Michael Borcherds ● 3 years ago

v524 online now

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hawe ● 3 years ago

Thanks,

but I am afraid it's all the same.

/8aORE5S19fn6vvrTDKdUENAF1dXYp3NRHRy21iYgJdXV12l5FXrgxqYCesrZyLSUTO9+jRo5x8cZrTuTaoiYheFQxqIiKHY1ATETkcg5qIyOEY1EREDsegJiJyOAY1EZHDMaiJiByOQU1E5HAMaiIih2NQExE5HIOaiMjhGNRERA73fyfAgPwdr4L9AAAAAElFTkSuQmCC

/LARjGKF+8WcmyTLIs23U1gL1B4AFFRh14AGkReEARAg8oQuABRQg8oAiBBxQh8IAiBB5QhMADihB4QBECDyjyH8hRDFOkF5hWAAAAAElFTkSuQmCC

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Michael Borcherds ● 3 years ago

Sorry, I don't see how that relates to

product(L)

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hawe ● 3 years ago

Sorry, this was the wrong thread 4 this comment.

Product is working now - Thank you

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hawe ● 3 years ago

I think a sequel happened to me?

got a null-matrix ggb6, ggb5 is OK

/wHBaOPQwbZOBAAAAABJRU5ErkJggg==

Files: MProdukt.ggb

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Michael Borcherds ● 3 years ago

Seems OK in the latest version:

https://www.geogebra.org/cl...

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