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When I wanted to make my math text in a LaTeX beamer presentation upright, I added the following to my beamer style file:
%%Attempt to get upright math symbols
\AtBeginDocument{
    \DeclareSymbolFont{pureletters}{\encodingdefault}{\mathfamilydefault}{m}{n}
    \SetMathAlphabet{\mathrm}{normal}{\encodingdefault}{\rmdefault}{m}{n}
    \DeclareMathAlphabet{\mathbf}{\encodingdefault}{\mathfamilydefault}{bx}{n}
    \DeclareMathAlphabet{\mathsf}{\encodingdefault}{\sfdefault}{m}{n}
    \DeclareMathAlphabet{\mathit}{\encodingdefault}{\mathfamilydefault}{m}{it}
    \DeclareMathAlphabet{\mathtt}{\encodingdefault}{\ttdefault}{m}{n}
    \ifx\mv at bold\@undefined\else
    \SetSymbolFont{numbers}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{n}

    \SetSymbolFont{pureletters}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{n}
    \SetMathAlphabet{\mathrm}{bold}{\encodingdefault}{\rmdefault}{bx}{n}

    \SetMathAlphabet{\mathbf}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{n}
    \SetMathAlphabet{\mathsf}{bold}{\encodingdefault}{\sfdefault}{bx}{n}

    \SetMathAlphabet{\mathit}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{it}
    \SetMathAlphabet{\mathtt}{bold}{\encodingdefault}{\ttdefault}{bx}{n}
    \fi

    \def\operator at font{\mathgroup\symnumbers}

    \DeclareMathSymbol{0}\mathalpha{numbers}{"30}
    \DeclareMathSymbol{1}\mathalpha{numbers}{"31}
    \DeclareMathSymbol{2}\mathalpha{numbers}{"32}
    \DeclareMathSymbol{3}\mathalpha{numbers}{"33}
    \DeclareMathSymbol{4}\mathalpha{numbers}{"34}
    \DeclareMathSymbol{5}\mathalpha{numbers}{"35}
    \DeclareMathSymbol{6}\mathalpha{numbers}{"36}
    \DeclareMathSymbol{7}\mathalpha{numbers}{"37}
    \DeclareMathSymbol{8}\mathalpha{numbers}{"38}
    \DeclareMathSymbol{9}\mathalpha{numbers}{"39}

    \DeclareMathSymbol{A}\mathalpha{pureletters}{"41}
    \DeclareMathSymbol{B}\mathalpha{pureletters}{"42}
    \DeclareMathSymbol{C}\mathalpha{pureletters}{"43}
    \DeclareMathSymbol{D}\mathalpha{pureletters}{"44}
    \DeclareMathSymbol{E}\mathalpha{pureletters}{"45}
    \DeclareMathSymbol{F}\mathalpha{pureletters}{"46}
    \DeclareMathSymbol{G}\mathalpha{pureletters}{"47}
    \DeclareMathSymbol{H}\mathalpha{pureletters}{"48}
    \DeclareMathSymbol{I}\mathalpha{pureletters}{"49}
    \DeclareMathSymbol{J}\mathalpha{pureletters}{"4A}
    \DeclareMathSymbol{K}\mathalpha{pureletters}{"4B}
    \DeclareMathSymbol{L}\mathalpha{pureletters}{"4C}
    \DeclareMathSymbol{M}\mathalpha{pureletters}{"4D}
    \DeclareMathSymbol{N}\mathalpha{pureletters}{"4E}
    \DeclareMathSymbol{O}\mathalpha{pureletters}{"4F}
    \DeclareMathSymbol{P}\mathalpha{pureletters}{"50}
    \DeclareMathSymbol{Q}\mathalpha{pureletters}{"51}
    \DeclareMathSymbol{R}\mathalpha{pureletters}{"52}
    \DeclareMathSymbol{S}\mathalpha{pureletters}{"53}
    \DeclareMathSymbol{T}\mathalpha{pureletters}{"54}
    \DeclareMathSymbol{U}\mathalpha{pureletters}{"55}
    \DeclareMathSymbol{V}\mathalpha{pureletters}{"56}
    \DeclareMathSymbol{W}\mathalpha{pureletters}{"57}
    \DeclareMathSymbol{X}\mathalpha{pureletters}{"58}
    \DeclareMathSymbol{Y}\mathalpha{pureletters}{"59}
    \DeclareMathSymbol{Z}\mathalpha{pureletters}{"5A}

    \DeclareMathSymbol{a}\mathalpha{pureletters}{"61}
    \DeclareMathSymbol{b}\mathalpha{pureletters}{"62}
    \DeclareMathSymbol{c}\mathalpha{pureletters}{"63}
    \DeclareMathSymbol{d}\mathalpha{pureletters}{"64}
    \DeclareMathSymbol{e}\mathalpha{pureletters}{"65}
    \DeclareMathSymbol{f}\mathalpha{pureletters}{"66}
    \DeclareMathSymbol{g}\mathalpha{pureletters}{"67}
    \DeclareMathSymbol{h}\mathalpha{pureletters}{"68}
    \DeclareMathSymbol{i}\mathalpha{pureletters}{"69}
    \DeclareMathSymbol{j}\mathalpha{pureletters}{"6A}
    \DeclareMathSymbol{k}\mathalpha{pureletters}{"6B}
    \DeclareMathSymbol{l}\mathalpha{pureletters}{"6C}
    \DeclareMathSymbol{m}\mathalpha{pureletters}{"6D}
    \DeclareMathSymbol{n}\mathalpha{pureletters}{"6E}
    \DeclareMathSymbol{o}\mathalpha{pureletters}{"6F}
    \DeclareMathSymbol{p}\mathalpha{pureletters}{"70}
    \DeclareMathSymbol{q}\mathalpha{pureletters}{"71}
    \DeclareMathSymbol{r}\mathalpha{pureletters}{"72}
    \DeclareMathSymbol{s}\mathalpha{pureletters}{"73}
    \DeclareMathSymbol{t}\mathalpha{pureletters}{"74}
    \DeclareMathSymbol{u}\mathalpha{pureletters}{"75}
    \DeclareMathSymbol{v}\mathalpha{pureletters}{"76}
    \DeclareMathSymbol{w}\mathalpha{pureletters}{"77}
    \DeclareMathSymbol{x}\mathalpha{pureletters}{"78}
    \DeclareMathSymbol{y}\mathalpha{pureletters}{"79}
    \DeclareMathSymbol{z}\mathalpha{pureletters}{"7A}

}

I don't know if that helps here.  Perhaps you would add this to rcParams['latex.preamble'], which was always advertised as being experimental.  (You may need to preface it with \makeatletter, and end with \makeatother.)

-Sterling


On Sep 5, 2014, at 1:21PM, Paul Hobson wrote:

> How do you do this in a normal LaTeX document?
> 
> 
> On Fri, Sep 5, 2014 at 12:53 PM, Arnaldo Russo <arn...@gm...> wrote:
> Hi,
> 
> I'm trying to figure out how I could use greek letters on axis labels, without italic.
> I have read a lot about alternatives, but I do need to use LaTeX to insert a table inside the plot area.
> 
> Using mathtex it responds with normal font on greek letters.
> 
> What I`m doing wrong?
> 
> The following code plots my table, but greek letters are not in Arial.
> 
> import
>  numpy as np
> 
> import matplotlib.
> pyplot as plt
> 
> t2 
> = np.arange(100)
> 
> fig  
> = plt.figure(figsize=(8,4))
> 
> ax 
> = fig.add_subplot(111)
> 
> 
> plt
> .rcParams.update({'font.family' : 'sans-serif',
> 
>                     
> 'font.sans-serif' : 'Arial',
> 
>                     
> 'font.style' : 'normal',
> 
>                     
> 'xtick.labelsize' : 12,
> 
>                     
> 'ytick.labelsize' : 12,
> 
>                     
> 'mathtext.fontset' : 'stixsans',
> 
>                     
> 'mathtext.default': 'regular',
> 
>                     
> 'mathtext.tt' : 'Arial',
> 
>                      
> })
> 
> plt
> .subplots_adjust(left=0.12, right=0.95, top=0.95, bottom=0.1)
> 
> 
> 
> ax
> .set_xlim(0,100)
> 
> xvals 
> = [0, 16.6, 33.33, 50, 66.66, 83.33, 100]
> 
> ax
> .set_xticks(xvals)
> 
> ax
> .set_xticklabels(['tick 0', 'tick 1', 'tick 2','tick 3', 'tick 4', 'tick 5', 'tick 6'])
> 
> ax
> .set_ylabel(r'$\mu$text $\eta$text $\cdot$ m$^{-2}$ s$^{-1}$')
> 
> ax
> .set_yticklabels(['0', '200', '400', '600', '800', '1000', '1200', '1400'])
> 
> ax
> .plot(t2, color='black')
> 
> ax
> .fill_between(np.arange(0, len(t2)),t2,0, color='black', alpha=0.8)
> 
> 
> 
> 
> from matplotlib import
>  rc
> rc
> ('font',**{'family':'sans-serif','sans-serif':['Arial']})
> 
> rc
> ('text', usetex=True)
> 
> table 
> = r'''\begin{tabular}{lccccccc}\hline&tick 0& tick 1 & tick 2 & tick 3 & tick 4 & tick 5 & tick 6 \\\hline Vals & 32.00 & 3.28 & 5.80 & 5 & 8 & 45 & 7.3 \\\hline \end{tabular}'''
> 
> plt
> .text(20,80,table,size=10)
> 
> 
> plt
> .show()
> 
> And an example using Mathtex, using regular fonts work out of the box, but my table of course is included as plain text. I have to close my IPython session and start it again to correct usage of plot parameters.
> 
> import
>  numpy as np
> 
> import matplotlib.
> pyplot as plt
> 
> t2 
> = np.arange(100)
> 
> fig  
> = plt.figure(figsize=(8,4))
> 
> ax 
> = fig.add_subplot(111)
> 
> 
> plt
> .rcParams.update({'xtick.labelsize' : 12,
> 
>                     
> 'ytick.labelsize' : 12,
> 
>                     
> 'mathtext.fontset' : 'stixsans',
> 
>                     
> 'mathtext.default': 'regular',
> 
>                     
> 'mathtext.tt' : 'Arial',
> 
>                     
> })
> 
> plt
> .subplots_adjust(left=0.12, right=0.95, top=0.95, bottom=0.1)
> 
> 
> 
> ax
> .set_xlim(0,100)
> 
> xvals 
> = [0, 16.6, 33.33, 50, 66.66, 83.33, 100]
> 
> ax
> .set_xticks(xvals)
> 
> ax
> .set_xticklabels(['tick 0', 'tick 1', 'tick 2','tick 3', 'tick 4', 'tick 5', 'tick 6'])
> 
> ax
> .set_ylabel(r'$\mu$text $\eta$text $\cdot$ m$^{-2}$ s$^{-1}$')
> 
> ax
> .set_yticklabels(['0', '200', '400', '600', '800', '1000', '1200', '1400'])
> 
> ax
> .plot(t2, color='black')
> 
> ax
> .fill_between(np.arange(0, len(t2)),t2,0, color='black', alpha=0.8)
> 
> 
> 
> #from matplotlib import rc
> #rc('font',**{'family':'sans-serif','sans-serif':['Arial']})
> #rc('text', usetex=True)
> 
> table 
> = r'''\begin{tabular}{lccccccc}\hline&tick 0& tick 1 & tick 2 & tick 3 & tick 4 & tick 5 & tick 6 \\\hline Vals & 32.00 & 3.28 & 5.80 & 5 & 8 & 45 & 7.3 \\\hline \end{tabular}'''
> 
> plt
> .text(20,80,table,size=10)
> 
> 
> plt
> .show()
> 
> Regards,
> Arnaldo.
> 
> ---
> Arnaldo D'Amaral Pereira Granja Russo
> Lab. de Estudos dos Oceanos e Clima
> Instituto de Oceanografia - FURG
> 
> 
> 
> ------------------------------------------------------------------------------
> Slashdot TV.
> Video for Nerds.  Stuff that matters.
> http://tv.slashdot.org/
> _______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
> 
> 
> ------------------------------------------------------------------------------
> Slashdot TV.  
> Video for Nerds.  Stuff that matters.
> http://tv.slashdot.org/_______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users

How do you do this in a normal LaTeX document?


On Fri, Sep 5, 2014 at 12:53 PM, Arnaldo Russo <arn...@gm...>
wrote:

> Hi,
>
> I'm trying to figure out how I could use greek letters on axis labels,
> without italic.
> I have read a lot about alternatives, but I do need to use LaTeX to insert
> a table inside the plot area.
>
> Using mathtex it responds with normal font on greek letters.
>
> What I`m doing wrong?
>
> The following code plots my table, but greek letters are not in Arial.
>
> import numpy as npimport matplotlib.pyplot as plt
>
> t2 = np.arange(100)
> fig  = plt.figure(figsize=(8,4))
> ax = fig.add_subplot(111)
>
> plt.rcParams.update({'font.family' : 'sans-serif',
>                     'font.sans-serif' : 'Arial',
>                     'font.style' : 'normal',
>                     'xtick.labelsize' : 12,
>                     'ytick.labelsize' : 12,
>                     'mathtext.fontset' : 'stixsans',
>                     'mathtext.default': 'regular',
>                     'mathtext.tt' : 'Arial',
>                      })
> plt.subplots_adjust(left=0.12, right=0.95, top=0.95, bottom=0.1)
>
>
> ax.set_xlim(0,100)
> xvals = [0, 16.6, 33.33, 50, 66.66, 83.33, 100]
> ax.set_xticks(xvals)
> ax.set_xticklabels(['tick 0', 'tick 1', 'tick 2','tick 3', 'tick 4', 'tick 5', 'tick 6'])
> ax.set_ylabel(r'$\mu$text $\eta$text $\cdot$ m$^{-2}$ s$^{-1}$')
> ax.set_yticklabels(['0', '200', '400', '600', '800', '1000', '1200', '1400'])
> ax.plot(t2, color='black')
> ax.fill_between(np.arange(0, len(t2)),t2,0, color='black', alpha=0.8)
>
> from matplotlib import rc
> rc('font',**{'family':'sans-serif','sans-serif':['Arial']})
> rc('text', usetex=True)
> table = r'''\begin{tabular}{lccccccc}\hline&tick 0& tick 1 & tick 2 & tick 3 & tick 4 & tick 5 & tick 6 \\\hline Vals & 32.00 & 3.28 & 5.80 & 5 & 8 & 45 & 7.3 \\\hline \end{tabular}'''
> plt.text(20,80,table,size=10)
>
> plt.show()
>
>
> And an example using Mathtex, using regular fonts work out of the box, but
> my table of course is included as plain text. I have to close my IPython
> session and start it again to correct usage of plot parameters.
>
> import numpy as npimport matplotlib.pyplot as plt
>
> t2 = np.arange(100)
> fig  = plt.figure(figsize=(8,4))
> ax = fig.add_subplot(111)
>
> plt.rcParams.update({'xtick.labelsize' : 12,
>                     'ytick.labelsize' : 12,
>                     'mathtext.fontset' : 'stixsans',
>                     'mathtext.default': 'regular',
>                     'mathtext.tt' : 'Arial',
>                     })
> plt.subplots_adjust(left=0.12, right=0.95, top=0.95, bottom=0.1)
>
>
> ax.set_xlim(0,100)
> xvals = [0, 16.6, 33.33, 50, 66.66, 83.33, 100]
> ax.set_xticks(xvals)
> ax.set_xticklabels(['tick 0', 'tick 1', 'tick 2','tick 3', 'tick 4', 'tick 5', 'tick 6'])
> ax.set_ylabel(r'$\mu$text $\eta$text $\cdot$ m$^{-2}$ s$^{-1}$')
> ax.set_yticklabels(['0', '200', '400', '600', '800', '1000', '1200', '1400'])
> ax.plot(t2, color='black')
> ax.fill_between(np.arange(0, len(t2)),t2,0, color='black', alpha=0.8)
> #from matplotlib import rc#rc('font',**{'family':'sans-serif','sans-serif':['Arial']})#rc('text', usetex=True)
> table = r'''\begin{tabular}{lccccccc}\hline&tick 0& tick 1 & tick 2 & tick 3 & tick 4 & tick 5 & tick 6 \\\hline Vals & 32.00 & 3.28 & 5.80 & 5 & 8 & 45 & 7.3 \\\hline \end{tabular}'''
> plt.text(20,80,table,size=10)
>
> plt.show()
>
>
> Regards,
> Arnaldo.
>
> ---
> *Arnaldo D'Amaral Pereira Granja Russo*
> Lab. de Estudos dos Oceanos e Clima
> Instituto de Oceanografia - FURG
>
>
>
>
> ------------------------------------------------------------------------------
> Slashdot TV.
> Video for Nerds.  Stuff that matters.
> http://tv.slashdot.org/
> _______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>
>

Hi,

I'm trying to figure out how I could use greek letters on axis labels,
without italic.
I have read a lot about alternatives, but I do need to use LaTeX to insert
a table inside the plot area.

Using mathtex it responds with normal font on greek letters.

What I`m doing wrong?

The following code plots my table, but greek letters are not in Arial.

import numpy as npimport matplotlib.pyplot as plt

t2 = np.arange(100)
fig  = plt.figure(figsize=(8,4))
ax = fig.add_subplot(111)

plt.rcParams.update({'font.family' : 'sans-serif',
                    'font.sans-serif' : 'Arial',
                    'font.style' : 'normal',
                    'xtick.labelsize' : 12,
                    'ytick.labelsize' : 12,
                    'mathtext.fontset' : 'stixsans',
                    'mathtext.default': 'regular',
                    'mathtext.tt' : 'Arial',
                     })
plt.subplots_adjust(left=0.12, right=0.95, top=0.95, bottom=0.1)


ax.set_xlim(0,100)
xvals = [0, 16.6, 33.33, 50, 66.66, 83.33, 100]
ax.set_xticks(xvals)
ax.set_xticklabels(['tick 0', 'tick 1', 'tick 2','tick 3', 'tick 4',
'tick 5', 'tick 6'])
ax.set_ylabel(r'$\mu$text $\eta$text $\cdot$ m$^{-2}$ s$^{-1}$')
ax.set_yticklabels(['0', '200', '400', '600', '800', '1000', '1200', '1400'])
ax.plot(t2, color='black')
ax.fill_between(np.arange(0, len(t2)),t2,0, color='black', alpha=0.8)

from matplotlib import rc
rc('font',**{'family':'sans-serif','sans-serif':['Arial']})
rc('text', usetex=True)
table = r'''\begin{tabular}{lccccccc}\hline&tick 0& tick 1 & tick 2 &
tick 3 & tick 4 & tick 5 & tick 6 \\\hline Vals & 32.00 & 3.28 & 5.80
& 5 & 8 & 45 & 7.3 \\\hline \end{tabular}'''
plt.text(20,80,table,size=10)

plt.show()


And an example using Mathtex, using regular fonts work out of the box, but
my table of course is included as plain text. I have to close my IPython
session and start it again to correct usage of plot parameters.

import numpy as npimport matplotlib.pyplot as plt

t2 = np.arange(100)
fig  = plt.figure(figsize=(8,4))
ax = fig.add_subplot(111)

plt.rcParams.update({'xtick.labelsize' : 12,
                    'ytick.labelsize' : 12,
                    'mathtext.fontset' : 'stixsans',
                    'mathtext.default': 'regular',
                    'mathtext.tt' : 'Arial',
                    })
plt.subplots_adjust(left=0.12, right=0.95, top=0.95, bottom=0.1)


ax.set_xlim(0,100)
xvals = [0, 16.6, 33.33, 50, 66.66, 83.33, 100]
ax.set_xticks(xvals)
ax.set_xticklabels(['tick 0', 'tick 1', 'tick 2','tick 3', 'tick 4',
'tick 5', 'tick 6'])
ax.set_ylabel(r'$\mu$text $\eta$text $\cdot$ m$^{-2}$ s$^{-1}$')
ax.set_yticklabels(['0', '200', '400', '600', '800', '1000', '1200', '1400'])
ax.plot(t2, color='black')
ax.fill_between(np.arange(0, len(t2)),t2,0, color='black', alpha=0.8)
#from matplotlib import
rc#rc('font',**{'family':'sans-serif','sans-serif':['Arial']})#rc('text',
usetex=True)
table = r'''\begin{tabular}{lccccccc}\hline&tick 0& tick 1 & tick 2 &
tick 3 & tick 4 & tick 5 & tick 6 \\\hline Vals & 32.00 & 3.28 & 5.80
& 5 & 8 & 45 & 7.3 \\\hline \end{tabular}'''
plt.text(20,80,table,size=10)

plt.show()


Regards,
Arnaldo.

---
*Arnaldo D'Amaral Pereira Granja Russo*
Lab. de Estudos dos Oceanos e Clima
Instituto de Oceanografia - FURG