Differentiate

Differentiate - Messages

#1 Posted: 10/26/2009 5:31:47 PM
LordMike

LordMike

0 likes in 52 posts.

Group: User

Hey,

I might have found a bug here:

Differentiating x^2-2x+3 gives a wrong result according to logic and calculators.

#2 Posted: 10/26/2009 6:04:57 PM
jas0nuk

jas0nuk

0 likes in 12 posts.

Group: User

Odd. I can't reproduce this bug with Windows build 0.85 b3531

#3 Posted: 10/26/2009 6:28:34 PM
Andrey Ivashov

Andrey Ivashov

2269 likes in 3729 posts.

Group: Super Administrator

I also checked on 0.85 and 0.85.3578 - no such observation. What version of SMath Studio do you use?
#4 Posted: 10/26/2009 6:29:59 PM
Radovan Omorjan

Radovan Omorjan

325 likes in 2052 posts.

Group: Moderator

Hello Mike,

I had similar errors. I was puzzled sometimes but I figured out that it is very useful to use the ability of SMath to put the mouse pointer over the expression, and you could see (if it is not to complicated) the symbolic representation of it. Like this:

Or just to check by symbolic evaluation. Sometimes happened that there are differences (do not know why).
I can not be sure that the same is in this case, but Mike could you please check it out. If this is true just delete the expression an type it again.

Regards,
Radovan
When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"
#5 Posted: 10/27/2009 7:49:44 AM
LordMike

LordMike

0 likes in 52 posts.

Group: User

Really weird. Now I can't reproduce it either...

:/

At least I got the screenshot :P
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