TRN() in Home?
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05-19-2020, 02:57 PM
Post: #1
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TRN() in Home?
TRN() doesn't return the correct answer in Home, e.g.
[[2 1+i][1-i 3]] returns [[2 1-i][1+i 3]], which is indistinguishable from transpose(). CAS returns the transpose with complex conjugates, [[2 1+i][1-i 3]]. Maybe this was fixed in the Jan 2020 firmware; I just realized I'm still running Oct 2018. |
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05-19-2020, 04:37 PM
(This post was last modified: 05-19-2020 04:40 PM by victorvbc.)
Post: #2
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RE: TRN() in Home?
(05-19-2020 02:57 PM)Helge Gabert Wrote: TRN() doesn't return the correct answer in Home, e.g. I can confirm that it doesn't return the conjugate transpose in home, even in the latest firmware, with complex turned on in both home and cas. I don't know if it's supposed to be that way. If you use CAS.TRN() in home it works though. |
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05-19-2020, 05:02 PM
Post: #3
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RE: TRN() in Home?
Thanks for the info!
Yes, CAS.TRN() also works with the Oct 2018 firmware in Home. Need to remind myself to use that in a Home program . . . |
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05-19-2020, 05:22 PM
Post: #4
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RE: TRN() in Home?
I think it may be a bug inherited from the HP 39gII where TRN behaves incorrectly as in the HP Prime's Home mode. On the older HP 39gs, TRN does a complex conjugate transpose as described in the manual.
— Ian Abbott |
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