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I want create this flowchart. Please help me.

enter image description here

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    Sorry but you should provide at least a basic MWE that shows you put some effort in as well. And even if it looks like hell. Commented Apr 29, 2014 at 10:03
  • 1
    -1: You have not shown effort in any of your questions, despite of being advised to do so. Commented Apr 29, 2014 at 10:35

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You can use TikZ matrices for this:

\documentclass[border=10pt,tikz]{standalone}
\usetikzlibrary{calc,matrix}

\begin{document}

\begin{tikzpicture}
\matrix (m) [matrix of nodes,
  nodes={align=center,text width=2cm},
  row sep=2ex]{
Input            &               &                   & {Desired\\ Output}\\
Auto-Correlation &               & Cross-Correlation &                   \\
                 & Weiner Filter &                   &                   \\
                 & *             &                   &                   \\
                 & Actual Output &                   &                   \\
};

\begin{scope}[-latex]
\draw ($(m-1-1)!0.5!(m-1-1.west)$)--(m-1-1.west)|-
 ($(m-4-2.west)!0.5!(m-4-2)$);
\draw ($(m-1-1)!0.5!(m-1-1.east)$)--([xshift=1cm]m-1-1.east)|-
 ($(m-2-3.west)!0.3!(m-2-3)$);

\draw ($(m-1-4)!0.5!(m-1-4.west)$)--(m-1-4.west)|-
($(m-2-3.east)!0.3!(m-2-3)$);

\draw (m-2-1.south)|-($(m-3-2.west)!0.5!(m-3-2)$);
\draw (m-2-3.south)|-($(m-3-2.east)!0.5!(m-3-2)$);
\draw (m-3-2.south)--(m-4-2.north);
\draw (m-4-2.south)--(m-5-2.north);
\end{scope}
\end{tikzpicture}

\end{document}

The result:

enter image description here

More information about the way to proceed can be found in High level digital design in TikZ.

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  • Thanks a lot, but where is the arrow down 'input' ?! Commented Apr 29, 2014 at 12:07
  • @tanha: you're welcome :) For the arrow, I think you can add it quite easily, in the same way I connected Weiner Filter with * or * with Actual Output :) Commented Apr 29, 2014 at 12:14
  • Sorry i cant understand you :( How to create the arrow down input ? Commented Apr 29, 2014 at 12:37
  • It is very simple: you have to draw a line from the input node (whose name is in the form m-<row>-<column>) to the second node. If you copy and paste one of the last lines of code in my example and you replace the correct name you will get it. Commented Apr 29, 2014 at 12:39
  • @ Claudio Fiandrino : Yohooooo i Success ,thanks a lot Commented Apr 29, 2014 at 13:13

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