Z BUS Construct the bus admittance matrix YBUS, from the given bus impedance matrix ZBus as: [0.7268 0.6013 0.5232 0.5678 0.6013 0.7456 0.6487 0.7041 0.5232 0.6487 0.7268 0.6822 0.5678 0.7041 0.6822 0.7804