[Bug] Keeps freezing
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06-02-2014, 10:38 PM
(This post was last modified: 06-02-2014 10:38 PM by Tugdual.)
Post: #20
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RE: [Bug] Keeps freezing
(06-02-2014 09:55 PM)jte Wrote: I've just tried scrolling, zooming etc. in Function's plot view after defining F1(X) as f(X) in Function's symb view with f defined in the CAS screen. After a minute or so I didn't experience any crashes or lock-ups. The plotting speed could certainly be improved.Did you try to get some inertia on scroll by pulling rapidly to the left or the right? When I zoom with center of axis remaining at the center it looks ok. As soon as I give it an impulsion, I see the drawing scrolling, then blank area (curve barely or no longer visible) and after 2 or 3 very slow refreshs it is frozen. If you check the Num table, you'll see that there are a number of NaN or huge values. This could be another reason while the redraw fails. (06-02-2014 09:55 PM)jte Wrote: Have you tried the above after starting with a clean slate? Perhaps there are some corrupted data structures in your calculator's memory. (While not giving you a completely clean slate, issuing the CAS "restart" command [WARNING: this will purge your CAS definitions] followed by shift+Esc and then a full reboot (shift + On [you might want to wait a tiny bit to ensure that the calculator state has been saved] and then On + Symb) will get you a good part of the way there.)I just tried all what you said. I did more: Using On + Apps + Esc as documented by Cyrille -> no improvement Using the CFO menu, I "formatted C:" funny name, definitely a DOS legacy :-). This supposedly totally cleaned the memory. I found the calculator a little faster after that but still crashing. Anyway, as I mentioned in an earlier post, I replaced the f(X) call by the actual definition of the function so that CAS is no longer involved. Same result... This is becoming mental, to me this is a bug, I didn't have the issue on the former version of the OS. |
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