blockLog

Output the natural (base e) logarithm of the input (input > 0 required)
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Information

Block that outputs y = log(u), where u is an input and log() is the natural logarithm (base-e) function.

An error occurs if the input u is zero or negative.

log.png

Connectors

TypeNameDefaultDescription
Buildings.Controls.OBC.CDL.Interfaces.RealInputuInput for base e logarithm
Buildings.Controls.OBC.CDL.Interfaces.RealOutputyBase e logarithm of the input

Revisions

  • March 2, 2020, by Michael Wetter:
    Changed icon to display dynamically the output value.
  • January 3, 2017, by Michael Wetter:
    First implementation, based on the implementation of the Modelica Standard Library.