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+//Chapter 8_Applications of Operational Amplifier
+//Caption : Output Voltage
+//Example8.7: In the summing amplifier(inverting mode) the signals to be combined are V1=3V, V2=2v, and V3=1V.The input resistor are R1=R2=R3=3 kilo ohm.The feeddback resistor Rf=1 kilo ohm. Consider ideal Op-Amp,determine Vo.
+//Solution:
+clear;
+clc;
+V1=3;//input signal
+V2=2;//input signal
+V3=1;//input signal
+Rf=1*10^3;//feedback resitor
+R1=3*10^3;//input resistor in ohm
+R2=R1;//input resistor in ohm
+R3=R2;//input resistor in ohm
+Vo=-(Rf/R1*V1+Rf/R2*V2+Rf/R3*V3);
+disp('V',Vo,'Output Voltage of summing amplifier is:')
+\ No newline at end of file