# Sensitivity Command Manual

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For OpenSees we have added commands to Tcl for finite element analysis. These commands can be grouped into four sections:

  1. General Commands commands added to the interpreter to create the sensitivity analysis.
  2. Material Commands commands added to Tcl to create the analysis procedure.
  3. Section Commands commands aded to Tcl to monitor what is happening in the model during the analysis.
  4. Element Commands commands added to Tcl to help monitor and modify the model and analysis during the run-time.
  5. Constraint Commands commands added to Tcl to help monitor and modify the model and analysis during the run-time.