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Please, I want to know which code to use to plot a spectrum like this.

Need examples for more details please.

Spectrum

Thank you in advance for your answer.

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closed as off-topic by Mariusz Iwaniuk, corey979, Kuba Sep 3 '18 at 22:58

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question cannot be answered without additional information. Questions on problems in code must describe the specific problem and include valid code to reproduce it. Any data used for programming examples should be embedded in the question or code to generate the (fake) data must be included." – corey979, Kuba
If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Try DensityPlot or ListDensityPlot with option ColorFunction -> "Rainbow". $\endgroup$ – Henrik Schumacher Sep 3 '18 at 21:07
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    $\begingroup$ This looks like measurement data stored in arrays. So ListDensityPlot might be the better choice. $\endgroup$ – Henrik Schumacher Sep 3 '18 at 21:17
  • $\begingroup$ Thank you so much @Henrik . $\endgroup$ – Gallagher Sep 3 '18 at 21:21
  • $\begingroup$ You're welcome. $\endgroup$ – Henrik Schumacher Sep 3 '18 at 21:22

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