Integrate question
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10-20-2017, 05:58 PM
Post: #22
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RE: Integrate question
(10-20-2017 04:43 PM)DrD Wrote: If the difference is not zero, and the complexity of the problem is already confusing enough to someone trying to make sense of all this, frustration has just been added to the poor soul who wants a simple answer to a simple question, "is my hand calculation correct?" Well ... no, not according to CAS/xcas.As I have already commented, if you want to check an antiderivative computed by hand, the best method is to derive the expression, precisely to avoid the constant problem. Using a CAS properly requires some training, this is unavoidable. I would really appreciate if people not trained to use a CAS could ask questions when they do not understand something instead of writing sentences like "the CAS is inconsistent". Sometimes you will find bugs, I don't contest that and I try to fix bugs as soon as possible. But I find plain wrong to persist in an error, it shows no respect for my work and expertise in the CAS area. (Sorry for my bad English, imagine if you had to discuss in French) |
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