solving a quadratic equation

solving a quadratic equation - Messages

#1 Posted: 10/6/2015 5:57:54 PM
brotjob

brotjob

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I am doing something that seems fairly simple but I get no result. What am I missing?
PTC.png
#2 Posted: 10/7/2015 10:29:18 AM
fdufnews

fdufnews

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As said in the reference book: "Cannot solve for variables with units."
#3 Posted: 10/7/2015 2:32:45 PM
brotjob

brotjob

7 likes in 71 posts.

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I read the German handbook by Dr. Martin Kraska and on page 109 he states that Solve() can deal with units which would be a major advantage over solve(). Anyway, if I delete the units the error persists so I think the units are not the cause.
#4 Posted: 10/7/2015 4:34:05 PM
Oscar Campo

Oscar Campo

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Wrote

I read the German handbook by Dr. Martin Kraska and on page 109 he states that Solve() can deal with units which would be a major advantage over solve(). Anyway, if I delete the units the error persists so I think the units are not the cause.



Use:
Solving cuadEquation

Regards,

Oscar
#5 Posted: 10/7/2015 7:39:13 PM
brotjob

brotjob

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Group: User

Thanks! Of course it makes more sense with a coefficient in Ohm/V and we must select the positive solution:
PTC2.png
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