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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...9])
>>> numpy.polyfit(x, numpy.log(y), 1)
array([ 0.10502711, -0.40116352])
# y ≈ exp(-0.401) * exp(0.105 * x) = 0.670 * exp(0.105 * x)
# (^ biased towards small values)
>>> numpy.polyfit(x, numpy.log(y), 1, w=numpy.sqrt(y))
array([ 0.06009446, 1.41648096])
# y ≈ exp(1.4...
Zoom in on a point (using scale and translate)
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as of today (sept.2014) the link to MosaicTest.html is dead.
– Chris
Sep 16 '14 at 10:46
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A simple explanation of Naive Bayes Classification
...before in either Dev set or test set.
The test set typically has the same format as the training set. However, it is very important that the test set be distinct from the training corpus: if we simply
reused the training set as the test set, then a model that simply memorized its input, without lea...
How to read a text file reversely with iterator in C#
...ss line here
Console.WriteLine(line);
}
EDIT:
After reading applejacks01's comment, I run some tests and it does look like .Reverse() actually loads whole file.
I used File.ReadLines() to print first line of a 40MB file - memory usage of console app was 5MB. Then, used File.ReadLines().Reverse(...
Clone private git repo with dockerfile
...elected for this question is not a good answer anymore. It was correct in 2014 but for 2020 this is the correct answer.
– Bikal Basnet
Apr 8 at 19:05
add a comment
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How can I generate a diff for a single file between two branches in github
... answered Feb 25 '17 at 16:05
f01f01
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How to declare a structure in a header that is to be used by multiple files in c?
... C99 struct declaration, as rightfully remarked by Jonathan Leffler.
Edit 2018-06-01:
Craig Barnes reminds us in his comment that you don't need to keep separate names for the struct "tag" name and its "typedef" name, like I did above for the sake of clarity.
Indeed, the code above could well be wri...
How do I modify fields inside the new PostgreSQL JSON datatype?
...column
– Bionix1441
Nov 8 '18 at 14:01
Should be clear: UPDATE users SET profile = profile || '{"lastname":"Washington...
Protecting executable from reverse engineering?
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ivan_pozdeev
26.5k1010 gold badges7676 silver badges124124 bronze badges
answered Jun 26 '11 at 1:57
Stephen CanonStephe...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
... about a 60% overhead and > $null has about a 0.3% overhead.
Addendum 2017-10-16: I originally overlooked another option with Out-Null, the use of the -inputObject parameter. Using this the overhead seems to disappear, however the syntax is different:
Out-Null -inputObject ($(1..1000) | ?{$_ -...