# Understanding a code.

Posted 2 months ago
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 Hello, everyone. I try to understand syntaxis of Wolfram and I have some unusual question. I introduce the part of the code, which can measure fractal dimension, bellow: result = { width/#, Last@First@ImageLevels@Image[ BlockMap[Min, ImageData[bin], {#, #}], "Bit"] } & /@ seq; // AbsoluteTiming I had some attempts to understand each function in this part of the code, but it was unsuccessful.
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Posted 2 months ago
 Start from the inner part, triple-click on segments, Wolfram Language will highlight parts, helping you to understand how each segment/part is working. For example, triple-click on ImageData, you see ImageData[bin] will be highlighted, meaning ImageData is acting on bin. Now triple-click BlockMap or any other part, and like this you can figure out what is going on
Posted 2 months ago
 Thank so much, but what do ' #' and '/' and '@' mean in this code? Documentation doesn't have any explaining(
Posted 2 months ago
 Hi Nikita,Look at the documentation. One way is to evaluate ??& ??/@ Also take a look at this.
Posted 2 months ago
 Totally the opposite, the Documentation has a huge content on those syntaxes. For example: https://reference.wolfram.com/language/guide/Syntax.html
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