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Change sqrt(x^2) to sqrt(x)^2 #43

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merged 1 commit into from
Dec 1, 2015
Merged

Change sqrt(x^2) to sqrt(x)^2 #43

merged 1 commit into from
Dec 1, 2015

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asmeurer
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@asmeurer asmeurer commented Dec 1, 2015

The problem is that sqrt(x^2) is not equal to x in general (take x = -1). sqrt(x)^2 does always equal x, by definition.

Fixes #42

@asmeurer
Change sqrt(x^2) to sqrt(x)^2
0915ab4 
The problem is that sqrt(x^2) is not equal to x in general (take x = -1). sqrt(x)^2 does always equal x, by definition. 

Fixes Experience-Monks#42
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asmeurer commented Dec 1, 2015

Rendered output

@asmeurer asmeurer mentioned this pull request Dec 1, 2015
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@mattdesl
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mattdesl commented Dec 1, 2015

Thanks!

mattdesl added a commit that referenced this pull request Dec 1, 2015
@mattdesl
Merge pull request #43 from asmeurer/patch-1
e9d6a99 
Change sqrt(x^2) to sqrt(x)^2
@mattdesl mattdesl merged commit e9d6a99 into Experience-Monks:master Dec 1, 2015
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@asmeurer @mattdesl