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+//To determine equivalent resistance using star-delta transformation
+
+clc;
+clear;
+
+Rax=30;
+Rcx=30;
+Rac=30;
+Ray=30;
+Rcy=30;
+
+// Delta to star conversion of the triangle CAX in the circuit
+Rx=Rax*Rcx/(Rax+Rcx+Rac);
+Ra=Rax*Rac/(Rax+Rcx+Rac);
+Rc=Rac*Rcx/(Rax+Rcx+Rac);
+
+R1=Ra+Ray;// Resistance from the common to Y of the upper limb
+R2=Rc+Rcy;// Resistance from the common to Y of the lower limb
+
+Reff=R1*R2/(R1+R2); // Effective resistance of both the limbs
+
+Rxy=Rx+Reff; // Effective resistance across X and Y
+
+printf('The Equivalent resistance = %g ohms\n',Rxy)
+