Square Roots of Complex Numbers (CAS)

04232016, 09:12 PM
Post: #1




Square Roots of Complex Numbers (CAS)
It is great that expressions like sqrt(2^i) don't freeze up any more with the new update. And simply entering sqrt(i) will stay in the CAS, symbolic realm as (1+i)/sqrt(2), which is fine.
However, entering something like sqrt(1+i) will get approximated right away. If the user wants to approximate this expression, he/she can use Home, or press ~ in CAS   but it doesn't make any sense to have, for certain symbolic expressions, a numerical approximation forced on the user. For example, 3root(1+i) at least gets rewritten as exp(1/3*LN(1+i)). I know there is an issue with C++ exceptions (if I remember right)   I was only hoping that this might have been resolved by now. 

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Messages In This Thread 
Square Roots of Complex Numbers (CAS)  Helge Gabert  04232016 09:12 PM
RE: Square Roots of Complex Numbers (CAS)  DrD  04232016, 10:15 PM
RE: Square Roots of Complex Numbers (CAS)  Helge Gabert  04232016, 10:52 PM
RE: Square Roots of Complex Numbers (CAS)  DrD  04232016, 11:21 PM
RE: Square Roots of Complex Numbers (CAS)  Helge Gabert  04232016, 11:46 PM
RE: Square Roots of Complex Numbers (CAS)  parisse  04242016, 06:06 AM

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