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//===========================================================================
//chapter 10 example 10
clc;
clear all;
//variable declaration
P = 100; //resistance in Ω
Q = 100; //resistance in Ω
S = 230; //resistance in Ω
dP = 0.02; //limiting error(dP/P) in %
dQ = 0.02; //limiting error(dQ/Q) in %
dS = 0.01; //limiting error(dS/S) in %
//calculations
R = (P/Q)*S; //unknown reistance in Ω
dR =dP+dQ+dS; //limiting error(dR/R) in %
dR1 = (dR*R)/100;
R1 = R-dR1; //limitng values of unknown resistance in Ω
R2 = R+dR1; //limitng values of unknown resistance in Ω
//result
mprintf("unknown resistance = %3.0f Ω ",R);
mprintf("limitng values of unknown resistance %3.3f Ω to %3.3f Ω",R1,R2);
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