大约有 40,000 项符合查询结果（耗时：0.0456秒） [XML]
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...ptimize.curve_fit(lambda t,a,b: a*numpy.exp(b*t), x, y)
(array([ 5.60728326e-21, 9.99993501e-01]),
array([[ 4.14809412e-27, -1.45078961e-08],
[ -1.45078961e-08, 5.07411462e+10]]))
# oops, definitely wrong.
>>> scipy.optimize.curve_fit(lambda t,a,b: a*numpy.exp(b*t), x, y...
Class method decorator with self arguments?
...
maxywbmaxywb
1,4541515 silver badges2323 bronze badges
...
Breadth First Vs Depth First
...oderator kittendmckee --- ex-moderator kitten
87.6k2323 gold badges127127 silver badges219219 bronze badges
...
How to get current time and date in Android
... edited Jan 26 at 7:28
miken32
32.1k1212 gold badges7171 silver badges8888 bronze badges
answered Mar 20 '11 at 16:27
...
sqlalchemy unique across multiple columns
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Java switch statement multiple cases
Just trying to figure out how to use many multiple cases for a Java switch statement. Here's an example of what I'm trying to do:
...
How do I print the elements of a C++ vector in GDB?
...nt to display
Example usage:
(gdb) print_vector videoconfig_.entries 0
$32 = {{subChannelId = 177 '\261', sourceId = 0 '\000', hasH264PayloadInfo = false, bitrate = 0, payloadType = 68 'D', maxFs = 0, maxMbps = 0, maxFps = 134, encoder = 0 '\000', temporalLayers = 0 '\000'}}
...
how to display full stored procedure code?
...
Stew
3,53744 gold badges2323 silver badges3737 bronze badges
answered Sep 5 '12 at 8:48
Asha KoshtiAsha Koshti
...
Is gcc 4.8 or earlier buggy about regular expressions?
...|
edited Jul 10 '17 at 18:32
answered Jul 10 '17 at 18:25
L...
离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
web服务启动报错：
Picked up JAVA_TOOL_OPTIONS: "-Dfile.encoding=UTF-8"
Executing [D:\appinventor\AppInventor2\resources\app.asar.unpacked\OpenJDK\bin\java, --add-opens=java.base/java.lang=ALL-UNNAMED, -Xmx4G, --add-opens, java.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.ne...