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+clear ;
+clc;
+// Example 8.5
+printf('Example 8.5\n\n');
+// Page no. 207
+// Solution Fig E8.5
+
+// Given
+W = 100 ;// Water removed - [kg]
+A_H2O = 0.80 ;// Fraction of water in A(intial fish cake)
+A_BDC = 0.20 ;//  Fraction of BDC(bone dry cake) in B(final dry fish cake)
+B_H2O = 0.40 ;// Fraction of water in A(intial fish cake)
+B_BDC = 0.60 ;//  Fraction of BDC(bone dry cake) in B(final dry fish cake)
+
+// By analysis for degree of freedom , DOF comes to be zero 
+// Solve following equations simultaneously for A and B,
+// A*A_H2O = B*B_H2O + W - By H2O balance
+// A = B + W - By overall balance
+a = [A_H2O -B_H2O;1 -1] ;// Matrix of coefficient
+b = [W;W] ;// Matrix of contants
+x = a\b; // Matrix of solutions- A = x(1) and B = x(2)
+
+printf('Weight of the fish cake originally put into dryer -     %.0i kg\n',x(1) );
+\ No newline at end of file