ctrb treats ndim=1 B correctly; ctrb & obsv check input shapes#1099

murrayrm merged 3 commits intopython-control:mainpython-control/python-control:mainfrom

roryyorke:gh1097-ctrb-obsv-shapesroryyorke/python-control:gh1097-ctrb-obsv-shapesCopy head branch name to clipboard