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#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}

#+LaTeX_HEADER:\usepackage{listings}

#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries,

#+LaTeX_HEADER:  commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},

#+LaTeX_HEADER:  showstringspaces=false, keywordstyle=\color{blue}\bfseries}

#+TITLE:    Embellishing a Plot

#+AUTHOR:    FOSSEE

#+EMAIL:     

#+DATE:    

#+DESCRIPTION: 

#+KEYWORDS: 

#+LANGUAGE:  en

#+OPTIONS:   H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t

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* Outline

  + Modifying the color, line style & linewidth of a plot

  + Adding a title to the plot (with embedded LaTeX)

  + Labelling the axes

  + Annotating the plot

  + Setting the limits of axes. 

* Question 1

  Plot sin(x) in blue colour and with linewidth as 3

* Solution 1

  #+begin_src python

    In []: clf()

    In []: plot(x, sin(x), 'b', linewidth=3)

  #+end_src

* Question 2

  Plot the sine curve with green filled circles.

* Solution 2

  #+begin_src python

    In []: clf()

    In []: plot(x, cos(x), 'go')

  #+end_src

* Question 3

  Plot the curve of x vs tan(x) in red dashed line and linewidth 3

* Solution 3

  #+begin_src python

    In []: clf()

    In []: plot(x, cos(x), 'r--')

  #+end_src

* Question 4

  Change the title of the figure such that the whole title is

  formatted in LaTex style

* Solution 4 

  #+begin_src python

    In []: title("$Parabolic function -x^2+4x-5$")

  #+end_src

* Question 5

  Set the x and y labels as "x" and "f(x)" in LaTex style.

* Solution 5

  #+begin_src python

    In []: xlabel("$x$")

    In []: yalbel("$f(x)$")

  #+end_src

* Question 6

  Make an annotation called "root" at the point (-4, 0). What happens

  to the first annotation?

* Solution 6

  #+begin_src python

    In []: annotate("root", xy=(-4,0))  

  #+end_src

* Question 7

  Set the limits of axes such that the area of interest is the

  rectangle (-1, -15) and (3, 0)

* Solution 7

  #+begin_src python

    In []: xlim(-1, 3)

    In []: ylim(-15, 0)

  #+end_src

* Summary

  + Modifying the attributes of plot by passing additional arguments

  + How to add title

  + How to incorporate LaTeX style formatting

  + How to label x and y axes

  + How to add annotations

  + How to set the limits of axes

* Thank you!

#+begin_latex

  \begin{block}{}

  \begin{center}

  This spoken tutorial has been produced by the

  \textcolor{blue}{FOSSEE} team, which is funded by the 

  \end{center}

  \begin{center}

    \textcolor{blue}{National Mission on Education through \\

      Information \& Communication Technology \\ 

      MHRD, Govt. of India}.

  \end{center}  

  \end{block}

#+end_latex