Upper value on numerical Sigma still not fixed?
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02-14-2014, 12:23 AM
(This post was last modified: 02-14-2014 12:26 AM by John Colvin.)
Post: #1
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Upper value on numerical Sigma still not fixed?
I was under the impression that the upper value limit of 1000 for numerical Sigma was removed
in the latest firmware update (I have version 5447 11-25-2013), but when I evaluate sum(x, x, 1, 1001) (CAS mode), I still get the invalid dimension error. Works fine for upper value of 1000 or less. The firmware update list states that this problem was fixed. Is there something I am doing wrong here? |
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02-20-2014, 12:48 PM
Post: #2
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RE: Upper value on numerical Sigma still not fixed?
Nearly one week has gone since the question above - nobody out there with an answer?
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02-20-2014, 05:10 PM
(This post was last modified: 02-20-2014 05:11 PM by Han.)
Post: #3
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RE: Upper value on numerical Sigma still not fixed?
The bug does not appear when using the template for a sum. So it looks like they fixed parts, but did not get all the cases.
Graph 3D | QPI | SolveSys |
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02-20-2014, 11:10 PM
Post: #4
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RE: Upper value on numerical Sigma still not fixed? | |||
02-21-2014, 01:41 PM
Post: #5
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RE: Upper value on numerical Sigma still not fixed?
(02-20-2014 11:10 PM)John Colvin Wrote:(02-20-2014 05:10 PM)Han Wrote: The bug does not appear when using the template for a sum. So it looks like they fixed parts, but did not get all the cases. There are differences between the real Prime and the emulator even if they have the same version (5447). In CAS : On the Emulator: choose sigma from the templates ==> ∑() then ∑(x,x,1,1001) [ENTER] ==> 501501 On the Prime : choose sigma from the templates ==> Sigma template to fill out, then x 1 x 1001 [ENTER] ==> "∑(x,x,1,1001) Error: Invalid dimension" Miguel |
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02-23-2014, 11:23 PM
Post: #6
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RE: Upper value on numerical Sigma still not fixed?
Hi John,
As HAN pointed out it's a CAS problem in the Prime. Sigma or sum works in all it's forms only in HOME mode on the Prime. Guess we will have to wait a bit longer for a complete fix. Jim |
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02-23-2014, 11:43 PM
(This post was last modified: 02-24-2014 12:08 AM by John Colvin.)
Post: #7
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RE: Upper value on numerical Sigma still not fixed?
(02-23-2014 11:23 PM)JimS Wrote: Hi John, Jim I see what I was doing wrong now. I was entering the index variable in lower case in HOME view which gives an immediate error. You are right. The problem has been fixed in HOME view, and that is good enough for me. |
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