How to read wptData.mat file?

Question

Nico Lastin 2018-3-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/386958-how-to-read-wptdata-mat-file

回答： Walter Roberson 2018-3-19

Dear all,

I try to read the wptData.mat file. The file could be essential for a project, and I have to know which formulas that file use. Unforntualely, if I search the file and open it, it looks like (>@jX6»²5ÍHýd+Ü¬j¡). Therefore, is it possible to read the code?

Thank you

[merged from duplicate]

Dear all,

I am trying to read the wptData.mat file. Unfortunately, I can´t read the code. Can I read the code if I convert the data to a .m file or are there better opportunities?

Kind regards and thank you!

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Answer 1

Walter Roberson 2018-3-19

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https://ww2.mathworks.cn/matlabcentral/answers/386958-how-to-read-wptdata-mat-file#answer_310805

The file does not contain formulas. The file contains sparameters information.

https://www.mathworks.com/help/rf/ug/sparameters.html

load('wptData.mat'); for K = 1 : length(sparam_dist); figure; rfplot(sparam_dist(K)); title(sprintf('%d',K)); end

The link above shows the properties of sparameters objects: NumPorts, Frequencies, Parameters, Impedance. The Parameters property is a 3D table; you can also use the rfparam() function to extract portions of the Parameters property. rfparam(sparam_dist,I,J) is the same as reshape(sparam_dist.Parameters(I,J,:),[],1)