using MATLAB:

An uninterruptible power supply (UPS) provides battery power to a computer during a power outage. The voltage provided by a UPS is defined by an "approximate sinusoid" as shown in the figure below. 150 100 Vips Volts) 0.002 0.00 0.00 0.00 0.00 0.0120.14 0.06 0.01 0.02 time (seconde The UPS voltage Vups (Volts) can be calculated with the following equations: 0, when 0 51