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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of both side gives log y = log A + Bx. So fit (log y) against x.
Note that fitting (log y) as if it is linear will emphasize sm...
Why does C++11 not support designated initializer lists as C99? [closed]
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answered Sep 11 '13 at 2:42
bames53bames53
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MySQL JOIN the most recent row only?
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147
You may want to try the following:
SELECT CONCAT(title, ' ', forename, ' ', surname) AS nam...
How can I create directory tree in C++/Linux?
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@(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10
*/
/*TABSTOP=4*/
#include "posixver.h"
#include "mkpath.h"
#include "emalloc.h"
#include <errno.h>
#include <string.h>
/* "sysstat.h" == <sys/stat.h> with fixup for (old) Windows - inc mode_t */
#include "sysstat.h"
t...
Group by multiple columns in dplyr, using string vector input
... <dbl>
1 A A 0.04095002
2 A B 0.24943935
3 A C -0.25783892
4 B A 0.15161805
5 ...
How can I get a file's size in C++? [duplicate]
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154
#include <fstream>
std::ifstream::pos_type filesize(const char* filename)
{
std::ifst...
What's the correct way to sort Python `import x` and `from x import y` statements?
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edited Apr 10 '17 at 11:44
tleb
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answered Dec 24...
Sort Go map values by keys
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answered Apr 28 '14 at 3:36
MingyuMingyu
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How to get current timestamp in milliseconds since 1970 just the way Java gets
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247
If you have access to the C++ 11 libraries, check out the std::chrono library. You can use it t...