V14 can't do what V13 did.
V14 can't do what V13 did.
(OP)
I have a system of equations that I can solve in V13 but V14 says the solution is too big. On other simulataneous solution problems where V13 correctly gets a solution, V14 says no solution found. What gives? I can solve these by hand using subsitution it just gets messy so why can't V14 get the solution?
The problems involve 3rd order motion segments where the position, velocity and accelerations must match at the ends of each segment. There is nothing trick here.
The problems involve 3rd order motion segments where the position, velocity and accelerations must match at the ends of each segment. There is nothing trick here.





RE: V14 can't do what V13 did.
Starting to look like it is time to switch to matlab.
RE: V14 can't do what V13 did.
You might try posting on the Mathcad Collaboratory and see if someone has had a similar problem and solution.
TTFN
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RE: V14 can't do what V13 did.
RE: V14 can't do what V13 did.
TTFN
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RE: V14 can't do what V13 did.
I would say I am a power user and push Mathcad to the extreme. I do a lot of symbolic processing. If I didn't I would just use Scilab. I do a lot of optimizing too and Scilab is faster at optimizing too. However, the priority is symbolic processing but I can see there is no need to upgrade to v14.
I am looking for a real upgrade.
RE: V14 can't do what V13 did.
None of them are particularly cheap, though...
TTFN
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RE: V14 can't do what V13 did.
Yes the new symbolic engine is different. Maple has decided it want's mathcad's market so isn't giving any new versions of the engine...
MuPad, the new engine starts from the assumption of a Complex, rather than Real number basis.
Finally, mathCAD did rather fail to show how to use symbolics properly. It is a somewhat specialist area in terms of making the algorithms fly and driving the processor (what to collect on & when; when to re-use variable names and when to have multiple versions; how to do a cross check of hand simplifications and equivalences, etc. )
Most folk haven't a scooby about how to use symbolics - well it isn't in excel is it..
Philip
RE: V14 can't do what V13 did.
TTFN
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RE: V14 can't do what V13 did.
Symbolic has always been a nice to have - great when it works, no matter when it doesn't, to me. I suppose my refusal to take it seriously is that it chucks a wobbly so often that I can't rely on it.
Cheers
Greg Locock
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