Matlab commands for feedback controls

Here is a small matlab reference for feedback calculations or simulations:

  • roots: Find polynomial roots
  • poly: Convert roots to polynomial
  • conv: Convolution and polynomial multiplication
  • polyval: Evaluate polynomial
  • tf: Creation of transfer functions or conversion to transfer function
  • pzmap: Pole-zero map of LTI models
  • pole: Compute the poles of LTI models
  • zero: Computes the transmission zeros of LTI models
  • series: Series interconnection of the two LTI models
  • parallel: Parallel interconnection of two LTI models
  • feedback: Feedback connection of two LTI models
  • minreal: Minimal realization and pole-zero cancellation
  • step: Step response of LTI models

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