The code below was created from Mathematica software:

%% AMS-LaTeX Created with the Wolfram Language : www.wolfram.com

\usepackage{amsmath, amssymb, graphics, setspace}



\title{Me Salva! ITD07}
\author{Leandro Carvalho}

\noindent\(\pmb{\text{r1}=\sqrt{18};\text{r2}=6\text{Cos}[\theta ];}\\
\pmb{\text{g1}=\text{PolarPlot}[\text{r1},\{\theta ,0,2 \pi \}];}\\
\pmb{\text{g2}=\text{PolarPlot}[\text{r2},\{\theta ,0,2 \pi \}];}\\
\pmb{\text{RegionPlot}\left[x^2+y^2<18,\{x,0,10\},\{y,0,10\},\text{PlotStyle}\to \text{Yellow}\right]}\\
\pmb{\text{RegionPlot}\left[(x-3)^2+y^2<9,\{x,0,10\},\{y,0,10\},\text{PlotStyle}\to \text{Blue}\right]}\\


\noindent\(\pmb{\int _0^{\frac{\pi }{4}}\int _0^{\sqrt{18}}5 r^3 \text{Sin}[\theta ] \text{Cos}[\theta ]drd\theta +\int _{\frac{\pi }{4}}^{\frac{\pi
}{2}}\int _0^{6 \text{Cos}[\theta ]}5 r^3 \text{Sin}[\theta ] \text{Cos}[\theta ]drd\theta }\)



The pmb and noindent commands are for what?

  • 1
    \pmb is Poor Man's Bold, for fonts which do not have a bold version (usually bold version of math symbols, viz a bold version of \mathbb. \noindent suppresses the indentation of the next paragraph. – Bernard Jun 21 '17 at 16:29
  • 2
    I think it's a very poor way to distinguishing between input and output. Difficult to conceive a worse method. – egreg Jun 21 '17 at 17:20
  • @egreg I agree with you. I found it very bad the output that the Mathematica software compiles – LCarvalho Jun 21 '17 at 18:33
  • And doublespace also does not help much – LCarvalho Jun 21 '17 at 18:39


DESCRIPTION \pmb command turns on poor man's bold. It works by duplicating its argument slightly offset, giving a bold effect (at least in the horizontal direction); doesn't work well for horizontal lines, like - or +.


a \pmb a \boldsymbol a


\pmb{a+b-c}\ \ a+b-c



When used at the beginning of the paragraph, it suppresses the paragraph indentation. It has no effect when used in the middle of a paragraph.

| improve this answer | |

The usage of \pmb is simply absurd and likewise doublespace.

Some editing is needed if you want an acceptable result.

\usepackage{amsmath, amssymb}

\newcommand{\opn}{\operatorname} % shorthand


\title{Me Salva! ITD07}
\author{Leandro Carvalho}

& r_1=\sqrt{18};r_2=6\opn{Cos}[\theta ];\\
& g_1=\opn{PolarPlot}[r_1,\{\theta ,0,2 \pi \}];\\
& g_2=\opn{PolarPlot}[r_2,\{\theta ,0,2 \pi \}];\\
& \opn{Show}[\{g_1,g_2\}]\\[2ex]
& \opn{RegionPlot}[x^2+y^2<18,\{x,0,10\},\{y,0,10\},\opn{PlotStyle}\to \opn{Yellow}\\
& \opn{RegionPlot}[(x-3)^2+y^2<9,\{x,0,10\},\{y,0,10\},\opn{PlotStyle}\to \opn{Blue}\\
& \opn{RegionPlot}[x^2+y^2<18\&\&(x-3)^2+y^2<9,\{x,0,10\},\{y,0,10\}\\[2ex]
& \mathcal{R}=\opn{ImplicitRegion}[x^2+y^2<18\&\&(x-3)^2+y^2<9,\{x,y\};\\
& \opn{RegionDimension}[\mathcal{R}]\\[2ex]
& \text{\unboldmath $2$}\\
& \int _0^{\frac{\pi }{4}}\int _0^{\sqrt{18}}5 r^3 \opn{Sin}[\theta ]
    \opn{Cos}[\theta ]\,dr\,d\theta +
  \int _{\frac{\pi }{4}}^{\frac{\pi }{2}}\int _0^{6 \opn{Cos}[\theta ]}5 r^3 \opn{Sin}[\theta ]
    \opn{Cos}[\theta ]\,dr\,d\theta\\[2ex]
& \text{\unboldmath $135$}


enter image description here

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