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Is it possible to create plots that have vibrant colors like those I create in Python?

For instance, take this thread function returning 0 where I used rainbow and here is the temperature gradient: enter image description here

Now here is a heat map I created in Python for comparison. enter image description here

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    $\begingroup$ If you don't like Mathematica's colors, you just need to recreate the colormap used by python. In this case, it is the "jet" colormap, which you can implement as in this answer. While it is ubiquitous in science/engineering, the jet colormap is one of the worst when it comes to showing variation in the data. $\endgroup$
    – rm -rf ♦
    Oct 6 '13 at 0:39
  • $\begingroup$ @belisarius I used rainbow in the linked post and in this post I used TemperatureMap. $\endgroup$
    – dustin
    Oct 6 '13 at 0:42
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    $\begingroup$ @dustin ColorFunction -> jet $\endgroup$
    – rm -rf ♦
    Oct 6 '13 at 1:28
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    $\begingroup$ Also see: stackoverflow.com/questions/7251872/… $\endgroup$
    – s0rce
    Oct 6 '13 at 3:09
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    $\begingroup$ I'm tempted to downvote to discourage garish graph makers. :) $\endgroup$
    – cormullion
    Oct 6 '13 at 8:01
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You will need to implement your own colour function and use it. There's an implementation of the MATLAB jet colour function in this StackOverflow answer. It is very similar to the example you posted.

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