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Welcome to pyZwx Website

Welcome to pyZwx Website  

Bug fixed pyZwx ver.1.0.3 is uploaded.

Release of pyZwx ver. 1.0 and pyZMultiPlot ver. 0.8!

pyZwx is impedance analysis software coded by Python. pyZMultiPlot is multiple data viewer program. These software have been developed in order to analyze impedance spectrum data collected by instruments at my laboratory. pyZwx ver. 1.0 is renewal by implementation of new functions such as initial guess support by graphic user interface (GUI) operation.

In addition to pyZwx, pyZMultiPlot which is a multiple data viewer software is also released. By combination of pyZwx and pyZMultiPlot, it will be possible to visualize various data, and I hope, impedance spectroscopy will be more powerful method for electrochemistry.


Features of pyZwx:

  • Free of use under MIT license. About the license, please check the "About" page.
  • Support various data formats. About the supporting data formats, please check the "User Guide" page.
  • Portable. This software can be used only copy to any folder.
  • Display an interactive 3D-impedance plot.
  • Enable setting of equivalent circuit model using simple script.
  • Graphic user interface (GUI) function to find a good initial guess.
  • Enable to use various complex nonlinear least square methods.
  • etc.


Features of pyZMultiPlot:

  • Free of use under MIT license. About the license, please check the "About" page.
  • Support various data formats. About the supporting data formats, please check the "User Guide" page.
  • Portable. This software can be used only copy to any folder.
  • Select and delete data by simple GUI operation.
  • Enable to display fitted results saved by pyZwx.


Two softwares released at this page can be used by free under MIT license. About the license, please check that at "About pyZwx" page.

These softwares will be released and updated in future.

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You may feel that pyZwx would be convenient if some functions are implemented. Those functions have already implemented to an Igor Pro macro program named "Zmeam." This program has been released under a paid license. If you are interested in Zmeam, please contact me by E-mail.
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