In MATLAB Please

Problem 3: The currents i, 12, 13, 14, i5, io in the circuit that is shown can be determined from the solution of the following system of equations (obtained by applying Kirchoff's law). 3 12 V 422 2.522 20 V 192 522 14 V 222 w (1.522 2. in {1.52 0 8 V 30 V 392 Figure. A linear circuit. 811 - 4i2 - i4 = 20 -2.5i2 + 4.5iz 2i6 = 14 -5i2 214 + 8.5is 1.516 = -30 -411 + 11.5i2 2.5iz 5is = -12 -i1 + 3i4 2i5 = 8 -2i3 1.5i5 + 8io = 0 a) Write a script file to define the A and b matrices b) Solve the system of equation using backslash operator. c) Solve the system of equations to obtain the current flow in every stream by using user- defined function GaussPivot