2020年4月29日 星期三
linux pdf reader
Free pdf reader that supports taking notes (and bookmarks)
2020年4月28日 星期二
2020年4月26日 星期日
group theory
Simon R. Blackburn
Combinatorics cryptography information theory group theory
https://scholar.google.co.uk/citations?user=PeQIxyoAAAAJ&hl=en
Peter Neumann
Stanford University
Verified email at stanford.edu
neural plasticityensemblesaddictioncircuits
https://scholar.google.com/citations?user=mHNWKY4AAAAJ&hl=en
Peter M. Neumann
https://scholar.google.com/scholar?q=%5B7%5D+Peter+M.+Neumann+D.+Phil.+Thesis+University+of+Oxford+1966
https://www.javatpoint.com/discrete-mathematics-normal-subgroup
師大 陳華介教授
http://math.ntnu.edu.tw/~li/algebra-html/node13.html
http://math.ntnu.edu.tw/~li/algebra-html/algebra.pdf
http://www2.chsh.chc.edu.tw/bee/108algebra/1080303.pdf
https://hackmd.io/@0xff07/ryQE2n3SI
https://hackmd.io/@0xff07/BJWaeWArL/https%3A%2F%2Fhackmd.io%2F%400xff07%2FByT4ldAS8
Sage
http://doc.sagemath.org/html/en/thematic_tutorials/group_theory.html#normal-subgroups
https://math.berkeley.edu/~apaulin/AbstractAlgebra.pdf
https://www.macs.hw.ac.uk/~jim/F13YR1/Notes.pdf
https://books.google.com.tw/books?id=4PWKDwAAQBAJ&pg=PA67&lpg=PA67&dq=normal+group+tutorial&source=bl&ots=T6sZfVNDyN&sig=ACfU3U3lTyA62FyKuvRxlEOjPSDDG9hRrA&hl=zh-TW&sa=X&ved=2ahUKEwjTgqD3gIfpAhU2yYsBHWKnD2sQ6AEwGHoECAwQAQ#v=onepage&q=normal%20group%20tutorial&f=false
https://www.jmilne.org/math/CourseNotes/GT.pdf
https://nathancarter.github.io/group-explorer/help/rf-groupterms/#simple-group
GAP
https://www.gap-system.org/Manuals/doc/tut/manual.pdf
Combinatorics cryptography information theory group theory
https://scholar.google.co.uk/citations?user=PeQIxyoAAAAJ&hl=en
Peter Neumann
Stanford University
Verified email at stanford.edu
neural plasticityensemblesaddictioncircuits
https://scholar.google.com/citations?user=mHNWKY4AAAAJ&hl=en
Peter M. Neumann
https://scholar.google.com/scholar?q=%5B7%5D+Peter+M.+Neumann+D.+Phil.+Thesis+University+of+Oxford+1966
https://www.javatpoint.com/discrete-mathematics-normal-subgroup
師大 陳華介教授
http://math.ntnu.edu.tw/~li/algebra-html/node13.html
http://math.ntnu.edu.tw/~li/algebra-html/algebra.pdf
http://www2.chsh.chc.edu.tw/bee/108algebra/1080303.pdf
https://hackmd.io/@0xff07/ryQE2n3SI
https://hackmd.io/@0xff07/BJWaeWArL/https%3A%2F%2Fhackmd.io%2F%400xff07%2FByT4ldAS8
Sage
http://doc.sagemath.org/html/en/thematic_tutorials/group_theory.html#normal-subgroups
https://math.berkeley.edu/~apaulin/AbstractAlgebra.pdf
https://www.macs.hw.ac.uk/~jim/F13YR1/Notes.pdf
https://books.google.com.tw/books?id=4PWKDwAAQBAJ&pg=PA67&lpg=PA67&dq=normal+group+tutorial&source=bl&ots=T6sZfVNDyN&sig=ACfU3U3lTyA62FyKuvRxlEOjPSDDG9hRrA&hl=zh-TW&sa=X&ved=2ahUKEwjTgqD3gIfpAhU2yYsBHWKnD2sQ6AEwGHoECAwQAQ#v=onepage&q=normal%20group%20tutorial&f=false
https://www.jmilne.org/math/CourseNotes/GT.pdf
https://nathancarter.github.io/group-explorer/help/rf-groupterms/#simple-group
GAP
https://www.gap-system.org/Manuals/doc/tut/manual.pdf
2020年4月24日 星期五
2020年4月23日 星期四
Computations in Number Theory Using Python
https://www.math.utah.edu/~carlson/notes/python.pdf
https://www.w3resource.com/python-exercises/math/
https://www.geeksforgeeks.org/print-all-prime-factors-of-a-given-number/
https://www.youtube.com/watch?v=2p3kwF04xcA
韓信點兵
https://medium.com/@fangya.123/chinese-remainder-theorem-with-python-a483de81fbb8
Fermat's last theorem algorithm in Python
2020年4月22日 星期三
2020年4月21日 星期二
微分應用
數c
IV 13 回
(3-4
微分應用)
109.4.21
3.2
f(x):=-x^2+6*x-8; has max or min?
g:diff(f(x));
solve(g);
4.
f(x):=3*x-x^3; has max , min=?
g:diff(f(x));
solve(g);
f(1);
f(-1);
calculate
1.
f(x)=3+4*x-x^2, 圖形,
遞增
遞減的區域
f(x):=3+4*x-x^2;
g:diff(f(x));
solve(g);
2.
x+y=30, solve (xy)max=?
x,x-30
x,x-30
f(x):=x(x-30);
g:diff(f(x));
solve(g);
g:diff(f(x));
solve(g);
3.f(x)=2x^3+ax^2+bx+25
,x=-3,x=2 has
related extreme value, solve a,b=?
related extreme value, solve a,b=?
f(x):=2*x^3+a*x^2+b*x+25;
g:diff(f(x),x);
4.
f(x)=5x^2+4x+1,x=a has fmin=b, solve
a,b=?
a,b=?
2020年4月20日 星期一
分式
分式 4/21
使用geogebra 繪圖,觀察其變化
x
1/x (x的倒數, 反曲線)
x-1 (left shift 1) 左移1單位
1/(x-1)
x+1(right shift 1)右移1單位
1/(x+1)
x^2(拋物線)
1/x^2
(x-1)^2
1/(x-1)^2
(x+1)^2
1/(x+1)^2
x^2-2x+2 (常數項2 是y截距)
x^2+2x+2 (常數項2 是y截距)
ax^2+bx+c
ab<0 (右異)
ab>0 (左同)
頂點(-b/2a,(4ac-b^2)/4a)
1/(x^2+2x+2)
f(x)=x+1
g(x)=2x+1
f(x)+g(x)
f(x)-g(x)
f(x)g(x)
f(x)/g(x)
1/f(x)+1/g(x)
5x/(x^2-x-6)
使用geogebra 繪圖,觀察其變化
x
1/x (x的倒數, 反曲線)
x-1 (left shift 1) 左移1單位
1/(x-1)
x+1(right shift 1)右移1單位
1/(x+1)
x^2(拋物線)
1/x^2
(x-1)^2
1/(x-1)^2
(x+1)^2
1/(x+1)^2
x^2-2x+2 (常數項2 是y截距)
x^2+2x+2 (常數項2 是y截距)
ax^2+bx+c
ab<0 (右異)
ab>0 (左同)
頂點(-b/2a,(4ac-b^2)/4a)
1/(x^2+2x+2)
f(x)=x+1
g(x)=2x+1
f(x)+g(x)
f(x)-g(x)
f(x)g(x)
f(x)/g(x)
1/f(x)+1/g(x)
5x/(x^2-x-6)
2020年4月14日 星期二
假設檢定
Probability and Statistics - 假設檢定:基本流程總整理 Process of Hypothesis Testing Statistics
https://mropengate.blogspot.com/2015/03/hypothesis-testing-p-value.html
https://web.ntpu.edu.tw/~stou/class/ntpu/CH11-Keller-in-Chinese-2011.pdf
http://www3.nccu.edu.tw/~tsaich/EastAsian/Week10_05062015.pdf
http://ctld.nthu.edu.tw/bookclub/blog/?update_id=332
統計學:大家都喜歡問的系列-p值是什麼
https://medium.com/@chih.sheng.huang821/%E7%B5%B1%E8%A8%88%E5%AD%B8-%E5%A4%A7%E5%AE%B6%E9%83%BD%E5%96%9C%E6%AD%A1%E5%95%8F%E7%9A%84%E7%B3%BB%E5%88%97-p%E5%80%BC%E6%98%AF%E4%BB%80%E9%BA%BC-2c03dbe8fddf
2020年4月13日 星期一
2020年4月10日 星期五
mendeley
Read, search and annotate your documents
https://www.mendeley.com/guides/desktop/04-read-highlight-annotate?dgcid=Mendeley_Desktop_Onboarding-Help-Cite
https://www.mendeley.com/guides/desktop/04-read-highlight-annotate?dgcid=Mendeley_Desktop_Onboarding-Help-Cite
Stochastic
https://ipython-books.github.io/131-simulating-a-discrete-time-markov-chain/
IPython Interactive Computing and Visualization Cookbook, Second Edition (2018), by Cyrille Rossant, contains over 100 hands-on recipes on high-performance numerical computing and data science in the Jupyter Notebook.
IPython Cookbook, Second Edition (2018)

Most of the book is freely available on this website (CC-BY-NC-ND license).
2020年4月9日 星期四
2020年4月8日 星期三
geogebra 分段函數
https://www.geogebra.org/m/H5QnUxY5
分段函數 求limit x->x(A)+,x(A)-
f(x)=if[x>=x(A),sin(x),(3x)/(x^2+x+1)]
B=(x(A),(3 x(A))/(x(A)^2+x(A)+1))
C=(x(A),sin(x(A)))
Limit(f(x),x,x(A))
Limit(f(x),x,x(A)+0.1) #x->x(A)+
Limit(f(x),x,x(A)-0.1) #x->x(A)-
Limit(f(x),x,x(A)+0.01)
Limit(f(x),x,x(A)-0.01)
2020年4月7日 星期二
python path in windows 10
http://www.weithenn.org/2018/05/python-journey-part01-install-python-on-windows10.html
使用系統管理者權限進行安裝,記得勾選「Add Python 3.6 to PATH」選項,如此一來便會在安裝程序中順便將 Python 環境寫入「環境變數」當中,稍後開啟命令提示字元便可以方便執行 python 相關指令。