大约有 22,000 项符合查询结果(耗时:0.0231秒) [XML]
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...og x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20, 50, 79])
>>> y = numpy.array([10, 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...
What are the mathematical/computational principles behind this game?
...
150
Finite Projective Geometries
The axioms of projective (plane) geometry are slightly different...
How to declare constant map
...n do:
var romanNumeralDict = map[int]string{
1000: "M",
900 : "CM",
500 : "D",
400 : "CD",
100 : "C",
90 : "XC",
50 : "L",
40 : "XL",
10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it like:
romanNumeralDict := map[int]string{...
Updating version numbers of modules in a multi-module Maven project
...sions:set from the versions-maven plugin:
mvn versions:set -DnewVersion=2.50.1-SNAPSHOT
It will adjust all pom versions, parent versions and dependency versions in a multi-module project.
If you made a mistake, do
mvn versions:revert
afterwards, or
mvn versions:commit
if you're happy with ...
How can I do width = 100% - 100px in CSS?
...
Could you nest a div with margin-left: 50px; and margin-right: 50px; inside a <div> with width: 100%;?
share
|
improve this answer
|
...
“f” after number
...
CGRect frame = CGRectMake(0.0f, 0.0f, 320.0f, 50.0f);
uses float constants. (The constant 0.0 usually declares a double in Objective-C; putting an f on the end - 0.0f - declares the constant as a (32-bit) float.)
CGRect frame = CGRectMake(0, 0, 320, 50);
uses ints w...
Detecting iOS / Android Operating system
...e)|xda|xiino/i.test(navigator.userAgent)
|| /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|...
How to set up tmux so that it starts up with specified windows opened?
...
tmux new-session \; split-window -v -p 50 \; split-window -h -p 50 \; select-pane -t 0 \; split-window -h -p 50 \; to create a pane devided into 4 panes equally spaced
– ignacio
Aug 4 at 11:25
...
How to use random in BATCH script?
...
answered Apr 28 '11 at 18:50
indivindiv
15.3k66 gold badges5151 silver badges8181 bronze badges
...
Definitive way to trigger keypress events with jQuery
...nt then all you have to do is:
var e = jQuery.Event("keydown");
e.which = 50; // # Some key code value
$("input").trigger(e);
share
|
improve this answer
|
follow
...
