2019独角兽企业重金招聘Python工程师标准>>> 
\documentclass[tikz,border=8pt]{standalone}
\usetikzlibrary{shapes.geometric}
\usetikzlibrary{arrows,arrows.meta}
\usepackage{xeCJK}%\usepackage{ctex}
\setCJKmainfont{方正书宋简体}%方正书宋简体FZShuSong-Z01S
\usepackage{amsmath}
\everymath{\displaystyle}
\usepackage{unicode-math}
\setmainfont{XITS}
\setmathfont{XITS Math}
\begin{document}
% 箭头形式
\tikzstyle{arrow}=[arrows={-Stealth[scale=0.7]}]
% 流程图定义阴影
\tikzstyle{shadow}=[preaction={fill=black,opacity=.5,transform canvas={xshift=0.5mm,yshift=-0.5mm},shading=radial,shading angle=20},fill=red]
% 流程图定义基本形状
\tikzstyle{ellipse}=[draw, rectangle, minimum width=2.8em, rounded corners=6pt,line width=0.5pt]% minimum height=1.5em, fill=red!20 椭圆
\tikzstyle{pxsbx}=[trapezium, trapezium left angle=75, trapezium right angle=105, minimum width=3em, text centered, draw = black, fill=white,line width=0.5pt] %平行四边形
\tikzstyle{lingxing}=[draw,diamond,shape aspect=3,inner sep = 0.4pt,thick,font=\itshape,line width=0.5pt]%,minimum size=8mm 菱形
\begin{tikzpicture}[node distance=1.2cm]
%定义流程图具体形状
\node (start) [ellipse,inner sep=1.5pt,shadow,fill=yellow!30] {开始};
\node (shurur) [pxsbx, below of=start,node distance=1.0cm,inner sep=1.5pt,shadow,fill=blue!20] {输入$\!r$};
\node (tiaojian) [lingxing,draw, below of=shurur,inner sep=1.5pt,shadow,fill=magenta!20] {$r>0$}; % 条件框
\node (shi1) [minimum height=0cm,draw, below of=tiaojian,inner sep=2pt,node distance=1.1cm] {$d=2*r$};
\node (shi2) [minimum height=0cm,draw, below of=shi1,inner sep=2pt,node distance=1.0cm] {$m=2*\pi*r$};
\node (shi3) [minimum height=0cm,draw, below of=shi2,inner sep=2pt,node distance=1.0cm] {$s=\pi*r*r$};
\node (dayinshi) [pxsbx,below of=shi3,node distance=1.0cm,inner sep=1.5pt,shadow,fill=blue!20] {打印求和};
\node (dayinfou) [right of=tiaojian,draw,pxsbx,inner sep=1.5pt,node distance=2.65cm,shadow,fill=blue!20] {打印 $m,d,s$};
\node (end) [below of=dayinfou,draw,ellipse,inner sep=1.5pt,node distance=1.1cm,shadow,fill=yellow!30] {结束};
%连接具体形状
\draw[arrow](start) -- (shurur);
\draw[arrow](shurur) -- (tiaojian) ;
\draw[arrow](tiaojian) -- node[left=-0.5mm,red]{是}(shi1);
\draw[arrow](shi1) -- (shi2);
\draw[arrow](shi2) -- (shi3);
\draw[arrow](shi3)--(dayinshi);
\draw[arrow](dayinshi) -- ++(0,-0.6)-- ++(-1.5,0) |-(tiaojian);
\draw[arrow](tiaojian) -- node[midway,above=-1mm,red]{否}(dayinfou);
\draw[arrow](dayinfou)--(end);
\end{tikzpicture}
\end{document}
\documentclass[tikz]{standalone}
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\begin{document}
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\psovalbox[fillstyle=solid, fillcolor=yellow!30,shadow=true]{开始} \\
\psparallelogrambox[fillstyle=solid,fillcolor=blue!20,shadow]{输入r} \\
\psdiabox[fillstyle=solid, fillcolor=magenta!20,shadow=true]{$ r > 0 $} &
\psparallelogrambox[fillstyle=solid,fillcolor=blue!20,shadow=true]{打印m, d, s} \\
\psframebox[shadow=true]{$ d=2*r $} &
\psovalbox[fillstyle=solid, fillcolor=yellow!30,shadow=true]{结束}\\
\psframebox[shadow=true]{$ m=2*\pi*r $} \\
\psframebox[shadow=true]{$ s=\pi*r*r $} \\
\psparallelogrambox[fillstyle=solid,fillcolor=blue!20, shadow=true]{打印求和}
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\documentclass[tikz]{standalone}
\usetikzlibrary{shapes.geometric}
\usetikzlibrary{arrows,arrows.meta}
\usepackage{xeCJK}%\usepackage{ctex}
\setCJKmainfont{FZShuSong-Z01S}%方正书宋简体
\usepackage{amsmath}
\everymath{\displaystyle}
\usepackage{unicode-math}
\setmainfont{XITS}
\setmathfont{XITS Math}
\begin{document}
% 流程图定义基本形状
\tikzstyle{ellipse}=[draw, rectangle, minimum width=2.8em, rounded corners=6pt,line width=0.5pt]% minimum height=1.5em, fill=red!20
\tikzstyle{pxsbx}=[trapezium, trapezium left angle=75, trapezium right angle=105, minimum width=3em, text centered, draw = black, fill=white,line width=0.5pt]
\tikzstyle{lingxing}=[draw,diamond,shape aspect=3,inner sep = 0.4pt,thick,font=\itshape,line width=0.5pt]%,minimum size=8mm
\begin{tikzpicture}[node distance=1.2cm]
%定义流程图具体形状
\node (start) [ellipse,inner sep=1.5pt] {开始};
\node (srn) [pxsbx, below of=start,node distance=1.0cm,inner sep=1.5pt] {输入$\!n=0$};
\node (yizhi) [minimum height=0cm,draw, below of=srn,node distance=1.0cm,inner sep=2pt] {$A=3^n-2^n$};
\node (panduan) [lingxing,draw, below of=yizhi,inner sep=1.5pt,minimum width=5em,minimum height=1.5em,node distance=1cm] {\phantom{$N$}};
\node (hh) [minimum height=0.95em,minimum width=3em,draw, left of=yizhi,node distance=1.0cm,inner sep=2pt,xshift=-0.8cm,yshift=-1mm] {$$};
\node (shuchu) [below of=panduan,draw,pxsbx,inner sep=1.5pt,node distance=1.1cm] {输出$\!n$};
\node (end) [below of=shuchu,draw,ellipse,inner sep=1.5pt,node distance=1.0cm] {结束};
%连接具体形状
\draw[arrows={-Stealth[scale=0.8]}](start) -- (srn);
\draw[arrows={-Stealth[scale=0.8]}](srn) -- (yizhi) ;
\path (srn) -- (yizhi) coordinate[pos=0.5](yt);
\draw[arrows={-Stealth[scale=0.8]}](yizhi) -- (panduan) ;
\draw[arrows={-Stealth[scale=0.8]}](panduan) -- (shuchu) node[pos=0.45,left=-1mm]{否};
\draw[arrows={-Stealth[scale=0.8]}](panduan) -| (hh)node[left=-1.4em,below=2.4em]{是};
\draw[arrows={-Stealth[scale=0.8]}](hh) |- (yt) ;
\draw[arrows={-Stealth[scale=0.8]}](shuchu)--(end);
\end{tikzpicture}
\end{document}
\documentclass[tikz]{standalone}
\usepackage{xeCJK}%\usepackage{ctex}
\setCJKmainfont{FZShuSong-Z01S}%方正书宋简体
\usepackage{amsmath}
\everymath{\displaystyle}
\usepackage{unicode-math}
\setmainfont{XITS}
\setmathfont{XITS Math}
\usepackage{tikz}
\usetikzlibrary{
shapes.geometric, %几何形状
calc, %计算
positioning %用于定位
}
\usetikzlibrary{arrows,arrows.meta}
\tikzset{
every picture/.style={
>=latex,
node distance=5mm and 5mm
%有无and的区别见手册positioning部分
}}
%定义框形状
\tikzstyle{SS} %开始结束
=[rounded corners, draw,rectangle]
\tikzstyle{IO} %输入输出
=[trapezium, trapezium left angle=70, trapezium right angle=110, draw]
\tikzstyle{NR} %内容
=[draw]
\tikzstyle{PD} %判断
=[diamond, aspect=4, draw, inner sep=1.5pt]
\begin{document}
%例1
\begin{tikzpicture}[->,arrows={-Stealth[scale=0.8]}]
%放框
\node[SS](start){开始};
\node[IO, below=of start](in){输入$N$};
\node[NR, below=of in](n1){$k=1$, $S=0$};
\node[NR, below=of n1](n2){$S=S+\dfrac1{k(k+1)}$};
\node[NR, right=of n2](n3){$k=k+1$};
\node[PD, below=of n2](pd){$k]
\node[SS](start){开始};
\node[NR, below=of start](n1){$a=1$};
\node[NR, below right=1mm and 5mm of n1](n2){$a=a^2+2$};
\node[PD, below=8mm of n1](pd){$a<10$?};
\node[IO, below=of pd](out){输出$a$};
\node[SS, below=of out](stop){结束};
\path (start) edge (n1)
(n1) edge (pd)
(pd) edge node[right]{否}(out)
(out) edge (stop);
\draw (pd.east)node[below]{是} -| (n2);
\draw (n2) -- (n2-|n1);
\end{tikzpicture}
%例3
\begin{tikzpicture}[->]
\node[SS](start){开始};
\node[IO, below=of start](in){输入$x$, $t$};
\node[NR, below=of in](n1){$M=1$, $S=3$, $k=1$};
\node[PD, below=of n1](pd){$k\le t$};
\node[NR, on grid, below left=1cm and 2cm of pd](n3){$M=\dfrac Mkx$};
\node[IO, on grid, below right=1cm and 2cm of pd](out){输出$S$};
\node[NR, below=of n3](n4){$S=M+S$};
\node[NR, below=of n4](n5){$k=k+1$};
\node[SS, below=of out](stop){结束};
\path (start) edge (in)
(in) edge (n1)
(n1) edge (pd)
(n3) edge (n4)
(n4) edge (n5)
(out) edge (stop);
\draw (pd) -| node[left]{是} (n3);
\draw (pd) -| node[right]{否} (out);
\draw (n5.west)--++(-0.5,0) |- ($(n1.south)!0.5!(pd.north)$);
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\end{document}
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\noindent
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% Draw diagram elements
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\path (p2.south)+(0.0,-1.0) \etape{3}{Pre-2};
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\tikzstyle{big} = [rectangle, draw, inner sep=0.5cm]
\tikzstyle{line} = [draw, -latex',thick]
\begin{tikzpicture}[auto]
\node [block](exe) {\textbf{Executive}};
\node [block, below=of exe] (mgm) {\textbf{Departmental managers}};
\node [blks, below=2cm of mgm] (fin) {Finance};
\node [blks, right=of fin] (prod) {Production};
\node [blks, left=of fin] (resch) {Research};
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\begin{document}
\begin{tikzpicture}
\begin{scope}[start chain=going right, every join/.style={->},
every node/.style={draw, align=center, on chain, join, minimum height=1cm}]
\node {Circuit is \\ designed in SPICE GUI};
\node {Netlist Exported \\ and used to make Template in MATLAB};
\node [continue chain=going below] {MATLAB takes Parameters};
\node [continue chain=going left] {Writes Netlist to disk};
\node {Calls SPICE};
\node [continue chain=going below] {Spice Simulates Circuit};
\node [continue chain=going right] {Writes Results to Disk};
\node [continue chain=going below] {MATLAB Parses Results from Disk};
\node [continue chain=going left] {Matlab Processes Results \\ and Calculates Delays};
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\usepackage{tikz}
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text width=4.5em,align=flush center,
inner sep=1pt},
block/.style ={rectangle, draw=blue, thick, fill=blue!20,
text width=5em,align=center, rounded corners,
minimum height=4em},
line/.style ={draw, thick, -latex',shorten >=2pt},
cloud/.style ={draw=red, thick, ellipse,fill=red!20,
minimum height=2em}]
\matrix [column sep=5mm,row sep=7mm]
{
% row 1
\node [cloud] (expert) {expert}; &
\node [block] (init) {initialize model}; &
\node [cloud] (system) {system}; \\
% row 2
& \node [block] (identify) {identify candidate model}; & \\
% row 3
\node [block] (update) {update model}; &
\node [block] (evaluate) {evaluate candidate models}; & \\
% row 4
& \node [decision] (decide) {is best candidate}; & \\
% row 5
& \node [block] (stop) {stop}; & \\
};
\begin{scope}[every path/.style=line]
\path (init) -- (identify);
\path (identify) -- (evaluate);
\path (evaluate) -- (decide);
\path (update) |- (identify);
\path (decide) -| node [near start] {yes} (update);
\path (decide) -- node [midway] {no} (stop);
\path [dashed] (expert) -- (init);
\path [dashed] (system) -- (init);
\path [dashed] (system) |- (evaluate);
\end{scope}
\end{tikzpicture}
\end{document}
