Precision problem with matrix inversion

07152015, 06:25 AM
Post: #11




RE: Precision problem with matrix inversion
(07152015 04:59 AM)cyrille de brébisson Wrote: Hello, thanks Cyrille for your comment. Does that mean, that when working in Home environment (RPN): 1) Matrix on the stack: inv(1) ➝ resulting inverse matrix is OK, because inv() is actually a CAS command using full precision 2) Matrix on the stack: Shift ÷ ➝ resulting inverse matrix is NULLmatrix (not OK), because Shift ÷ is using reduced precision of numerical mode In other words, "inv()" and "Shift ÷" are not the same in Home environment? 

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