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plt画函数

画函数功能包:matplotlib.mathtext 

1.音符

命令结果
\acute a 或 \'a
\bar a
\breve a
\ddot a 或 \"a
\dot a 或 \.a
\grave a 或 \a`
\hat a 或 \^a
\tilde a 或 \~a
\vec a
\overline{abc}

 

 

示例:

import matplotlib.pyplot as plt
import numpy as np

import matplotlib.mathtext as mathtext
import matplotlib

matplotlib.rc('image', origin='upper')

parser = mathtext.MathTextParser("Bitmap")

parser.to_png('test3.png',r'$\^a$',fontsize=30, dpi=100)
img = plt.imread('test3.png')  

plt.imshow(img)
plt.show()

parser.to_png('test3.png',r'$\~a$',fontsize=30, dpi=100)
img = plt.imread('test3.png')  

plt.imshow(img)
plt.show()
View Code

 

2.字母符号

   希腊字母  
\alpha \beta \chi
\epsilon \eta \gamma
\lambda \mu \nu
\pi \psi \rho
\theta \upsilon \varepsilon
\varpi \varrho \varsigma
\zeta  \Delta \Gamma 
\Lambda \Psi \Sigma
\Theta \nabla  
 
import matplotlib.pyplot as plt
import numpy as np

import matplotlib.mathtext as mathtext
import matplotlib

matplotlib.rc('image', origin='upper')

parser = mathtext.MathTextParser("Bitmap")

parser.to_png('test3.png',r'$\alpha \beta \lambda$',fontsize=30, dpi=100)
img = plt.imread('test3.png')  
 

plt.imshow(img)
plt.show()
View Code

3.分割符号

/ [ \Downarrow
\downarrow \langle \lceil
\rangle \rceil \rfloor
\vert \{ |

 

4.数学符号

 

\bigcap \bigcup \bigodot
\biguplus \bigvee \bigwedge
\oint \prod \sum
\Pr \arccos \arcsin
\arg \cos \cosh
\coth \csc \deg
\dim \exp \gcd
\inf \ker \lg
\liminf \limsup \ln
\max \min \sec
\sinh \sup \tan

 

 

\Bumpeq \Cap \Cup
\Doteq \Join \Subset
\Supset \Vdash \Vvdash
\approx \approxeq \ast
\asymp \backepsilon \backsim
\backsimeq \barwedge \because
\between \bigcirc \bigtriangledown
\bigtriangleup \blacktriangleleft \blacktriangleright
\bot \bowtie \boxdot
\boxminus \boxplus \boxtimes
\bullet \bumpeq \cap
\cdot \circ \circeq
\coloneq \cong \cup
\curlyeqprec \curlyeqsucc \curlyvee
\curlywedge \dag \dashv
\ddag \diamond \div
\divideontimes \doteq \doteqdot
\dotplus \doublebarwedge \eqcirc
\eqcolon \eqsim \eqslantgtr
\eqslantless \equiv \fallingdotseq
\frown \geq \geqq
\geqslant \gg \ggg
\gnapprox \gneqq \gnsim
\gtrapprox \gtrdot \gtreqless
\gtreqqless \gtrless \gtrsim
\in \intercal \leftthreetimes
\leq \leqq \leqslant
\lessapprox \lessdot \lesseqgtr
\lesseqqgtr \lessgtr \lesssim
\ll \lll \lnapprox
\lneqq \lnsim \ltimes
\mid \models \mp
\nVDash \nVdash \napprox
\ncong \ne \neq
\neq \nequiv \ngeq
\ngtr \ni \nleq
\nless \nmid \notin
\nparallel \nprec \nsim
\nsubset \nsubseteq \nsucc
\nsupset \nsupseteq \ntriangleleft
\ntrianglelefteq \ntriangleright \ntrianglerighteq
\nvDash \nvdash \odot
\ominus \oplus \oslash
\otimes \parallel \perp
\pitchfork \pm \prec
\precapprox \preccurlyeq \preceq
\precnapprox \precnsim \precsim
\propto \rightthreetimes \risingdotseq
\rtimes \sim \simeq
\slash \smile \sqcap
\sqcup \sqsubset \sqsubset
\sqsubseteq \sqsupset \sqsupset
\sqsupseteq \star \subset
\subseteq \subseteqq \subsetneq
\subsetneqq \succ \succapprox
\succcurlyeq \succeq \succnapprox
\succnsim \succsim \supset
\supseteq \supseteqq \supsetneq
\supsetneqq \therefore \times
\top \triangleleft \trianglelefteq
\triangleq \triangleright \trianglerighteq
\uplus \vDash \varpropto
\vartriangleleft \vartriangleright \vdash
\vee \veebar \wedge
\wr    
\Downarrow \Leftarrow  
\Leftrightarrow \Lleftarrow  
\Longleftarrow \Longleftrightarrow  
\Longrightarrow \Lsh  
\Nearrow \Nwarrow  
\Rightarrow \Rrightarrow  
\Rsh \Searrow  
\Swarrow \Uparrow  
\Updownarrow \circlearrowleft  
\circlearrowright \curvearrowleft  
\curvearrowright \dashleftarrow  
\dashrightarrow \downarrow  
\downdownarrows \downharpoonleft  
\downharpoonright \hookleftarrow  
\hookrightarrow \leadsto  
\leftarrow \leftarrowtail  
\leftharpoondown \leftharpoonup  
\leftleftarrows \leftrightarrow  
\leftrightarrows \leftrightharpoons  
\leftrightsquigarrow \leftsquigarrow  
\longleftarrow \longleftrightarrow  
\longmapsto \longrightarrow  
\looparrowleft \looparrowright  
\mapsto \multimap  
\nLeftarrow \nLeftrightarrow  
\nRightarrow \nearrow  
\nleftarrow \nleftrightarrow  
\nrightarrow \nwarrow  
\rightarrow \rightarrowtail  
\rightharpoondown \rightharpoonup  
\rightleftarrows \rightleftarrows  
\rightleftharpoons \rightleftharpoons  
\rightrightarrows \rightrightarrows  
\rightsquigarrow \searrow  
\swarrow \to  
\twoheadleftarrow \twoheadrightarrow  
\uparrow \updownarrow  
\updownarrow \upharpoonleft  
\upharpoonright \upuparrows  
\$ \AA \Finv
\Game \Im \P
\Re \S \angle
\backprime \bigstar \blacksquare
\blacktriangle \blacktriangledown \cdots
\checkmark \circledR \circledS
\clubsuit \complement \copyright
\ddots \diamondsuit \ell
\emptyset \eth \exists
\flat \forall \hbar
\heartsuit \hslash \iiint
\iint \iint \imath
\infty \jmath \ldots
\measuredangle \natural \neg
\nexists \oiiint \partial
\prime \sharp \spadesuit
\sphericalangle \ss \triangledown
\varnothing \vartriangle \vdots
\wp \yen  

posted on 2020-03-24 22:55  杨杨09265  阅读(228)  评论(0编辑  收藏  举报