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原创 JAVA绘制图像并绘制不同字体符号

用JAVA实现的一段代码,绘制图像,并添加不同字体的glyph。 String imgPath = "./data/imgs/"; String imgName = "tryDrawFontGlyph.png"; @Test public void drawingGlyph() throws IOException { int width = 600; int ...

2019-09-09 18:01:16 665

原创 pdfbox 创建pdf文档

pdfbox创建pdf文档,hello world!记下代码:public class CreatPdfFile { /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException { P...

2019-08-01 15:23:09 1095

转载 Save / load scipy array,sparse csr_matrix

A csr_matrix has 3 data attributes that matter: .data, .indices, and .indptr. All are simple ndarrays, so numpy.save will work on them. Save the three arrays with numpy.save or numpy.savez, lo

2016-02-23 09:58:07 1117

转载 How to concatenate two matrices in Python?

The scipy.sparse module includes the functions hstack and vstack.For example:In [44]: import scipy.sparse as spIn [45]: c1 = sp.csr_matrix([[0,0,1,0], ...: [2,0

2016-02-23 09:54:02 650

原创 python 矩阵随机生成

Generate a sparse matrixGenerate a sparse matrix of the given shape and density with uniformly distributed values.scipy.sparse.rand(m, n, density=0.01, format='coo', dtype=None, random_sta

2016-02-16 10:14:52 5842 2

原创 python Sparse matrices 单位矩阵

identity(n[, dtype, format]) Identity matrix in sparse format Returns an identity matrix with shape (n,n) using a given sparse format and dtype.创建n X n单位矩阵。format:bsr_matrix(arg1[, shape, dtype,

2016-02-16 09:44:46 3411

原创 awk sed等神奇使用备忘

备忘

2016-02-01 16:06:34 432

转载 centOS邮件提醒

centos下默认在收到收件是会在执行命令后显示提示 “You have new mail in /var/spool/mail/root” , 可以通过在~/.bashrc文件中添加如下脚本,来禁止此消息的显示:unset MAILCHECK他的意思就是禁用邮件检查。可以执行source ~/.bashrc来使修改马上生效

2016-01-08 09:37:26 687

The+Hundred-Page+Machine+Learning+Book.pdf

Machine learning is a subfield of computer science that is concerned with building algorithms which, to be useful, rely on a collection of examples of some phenomenon. These examples can come from nature, be handcrafted by humans or generated by another algorithm. Machine learning can also be defined as the process of solving a practical problem by 1) gathering a dataset, and 2) algorithmically building a statistical model based on that dataset. That statistical model is assumed to be used somehow to solve the practical problem. To save keystrokes, I use the terms “learning” and “machine learning” interchangeably

2019-06-04

Conditional Random Fields

Conditional-Random-Fields-Probabilistic-Models-for-Segmenting-and-Labeling-Sequence-Data

2018-09-04

How to Write a Good Scientific Paper

How to Write a Good Scientific Paper by Chris A. Mack is a valuable resource for all students and faculty in science and engineering. SPIE is pleased to make it available here at no charge as a PDF eBook. As Dr. Mack explains, “Many scientists and engineers consider themselves poor writers or find the writing process difficult. The good news is that you do not have to be a talented writer to produce a good scientific paper, but you do have to be a careful writer. In particular, writing for a peer-reviewed scientific or engineering journal requires learning and executing a specific formula for presenting scientific work. This book is all about teaching the style and conventions of writing for a peer-reviewed scientific journal. From structure to style, titles to tables, abstracts to author lists, this book gives practical advice about the process of writing a paper and getting it published.”

2018-08-24

在线英语词典和英语语料库

23个在线英语词典和英语语料库。大家可以拿来训练模型。

2018-08-23

学科专业词典

学科专业词典,包含24个学科,数学,医学,化学,计算机,物理,哲学,天文学,财经,会计,金融,生物学等。可用作行业分词,行业知识图谱等等……

2018-08-09

数学专业专业词典(中英文)

收集的数学专业的词典,含中英文对照。一行为英文词,一行为中文词,上下对应。

2018-08-09

图灵计算机科学丛书·具体数学:计算机科学基础(第2版)

顶级数学家和计算机科学家合著的经典著作   被世界多所知名大学采纳为教材   当代计算机科学方面的一部重要著作,TAOCP的前奏曲   不仅讲述数学问题和技巧,更侧重教导解决问题的方法   或平淡、或深刻、或严肃、或幽默的涂鸦,让你在轻松愉悦的心境下体会数学的美妙   第二作者、图灵奖得主计算机科学泰斗Donald E. Knuth(高德纳)在接受图灵社区的访谈时如是说:   “《具体数学》是一份‘纲领’,它的内容是我对于数学诸多方面应该如何教与学的思考。熟练掌握代数公式的基础技能,对我来说始终都是关键所在。这些内容在 TAOCP里都有讨论,但只能是蜻蜓点水;在斯坦福大学的课程中,我得以深入更多的细节,而那些课程都被囊括在这本书中了。”

2015-07-07

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