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numpy matrix vector multiplication [duplicate]
When I multiply two numpy arrays of sizes (n x n)*(n x 1), I get a matrix of size (n x n). Following normal matrix multiplication rules, a (n x 1) vector is expected, but I simply cannot find any information about how this is done in Python's Numpy module.
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在vc中使用xtremetoolkit界面库-----安装及环境配置 - C/C++ - 清泛网 - 专...
...先当然是配置发开环境了：
我使用的是vc6.0+xtremetoolkitPro15.3.1
以下链接是xtremetoolkitPro15.3.1免费下载地址：（其中还包含了注册机，解压Crack文件下的Keygen.zip就可以得到），
http://pan.baidu.com/s/1pJvfy0F
我因为之前安装的是一个绿...
Discuz菜单栏下面广告怎么弄？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下:
<div id="dzf" class="cl">
<style type="text/css">
#dzf{padding:15px 0;line-height:160%;text-align:left;}
#dzf p{width:321px;text-indent:70px;background:url(http://www.discuz.net/data/attachment/album/201005/14/0953351hcnq10n6w4zqnwh.png) no-repeat 10px 2px}
.dzfbl{border-left:1px solid #...
javascript find and remove object in array based on key value
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12 Answers
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ReactJS: Modeling Bi-Directional Infinite Scrolling
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116
This is a mix of an infinite table and an infinite scroll scenario. The best abstraction I fou...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
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17 Answers
17
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Warning - Build path specifies execution environment J2SE-1.4
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11 Answers
11
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Remove border radius from Select tag in bootstrap 3
...earance is not supported in IE.
Working example: https://jsfiddle.net/gs2q1c7p/
select:not([multiple]) {
-webkit-appearance: none;
-moz-appearance: none;
background-position: right 50%;
background-repeat: no-repeat;
background-image: url(data:image/png;base64,iVBORw0KG...
How to calculate the number of days between two dates? [duplicate]
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581
const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new ...
What's the 'Ruby way' to iterate over two arrays at once
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>> @budget = [ 100, 150, 25, 105 ]
=> [100, 150, 25, 105]
>> @actual = [ 120, 100, 50, 100 ]
=> [120, 100, 50, 100]
>> @budget.zip @actual
=> [[100, 120], [150, 100], [25, 50], [105, 100]]
>> @budget.zip(@actual...