Nov 27, 2021 · Nov 26, 2021 · Nov 26, 2021
diff --git a/control/bdalg.py b/control/bdalg.py


 def series(sys1, *sysn):
    """Return the series connection (sysn \\* ... \\*) sys2 \\* sys1
    r"""series(sys1, sys2, [..., sysn])

    Return the series connection (`sysn` \* ...\  \*) `sys2` \* `sys1`.

    Parameters
    ----------


 def parallel(sys1, *sysn):
    """
    Return the parallel connection sys1 + sys2 (+ ... + sysn)
    r"""parallel(sys1, sys2, [..., sysn])

    Return the parallel connection `sys1` + `sys2` (+ ...\  + `sysn`).

    Parameters
    ----------
    return sys1.feedback(sys2, sign)

 def append(*sys):
    """append(sys1, sys2, ..., sysn)
    """append(sys1, sys2,[..., sysn])

    Group models by appending their inputs and outputs
    Group models by appending their inputs and outputs.

    Forms an augmented system model, and appends the inputs and
    outputs together. The system type will be the type of the first
diff --git a/doc/control.rst b/doc/control.rst
    step_response
    phase_plot

 Block diagram algebra
 =====================
 .. autosummary::
   :toctree: generated/

    series
    parallel
    feedback
    negate

 Control system analysis
 =======================
 .. autosummary::
Original file line number	Diff line number	Diff line change
Expand Up		@@ -62,7 +62,9 @@


		def series(sys1, *sysn):
		"""Return the series connection (sysn \\* ... \\) sys2 \\ sys1
		r"""series(sys1, sys2, [..., sysn])

		Return the series connection (`sysn` \* ...\ \) `sys2` \ `sys1`.

		Parameters
		----------
Expand DownExpand Up		@@ -107,8 +109,9 @@ def series(sys1, *sysn):


		def parallel(sys1, *sysn):
		"""
		Return the parallel connection sys1 + sys2 (+ ... + sysn)
		r"""parallel(sys1, sys2, [..., sysn])

		Return the parallel connection `sys1` + `sys2` (+ ...\ + `sysn`).

		Parameters
		----------
Expand DownExpand Up		@@ -252,9 +255,9 @@ def feedback(sys1, sys2=1, sign=-1):
		return sys1.feedback(sys2, sign)

		def append(*sys):
		"""append(sys1, sys2, ..., sysn)
		"""append(sys1, sys2,[..., sysn])

		Group models by appending their inputs and outputs
		Group models by appending their inputs and outputs.

		Forms an augmented system model, and appends the inputs and
		outputs together. The system type will be the type of the first
Expand Down