engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Information Theory Mutual Information
Read the following expression regarding mutual information I(X;Y). Which of the following expressions is/are correct
1
I(X;Y) = H(X) – H(Y/X)
2
I(X;Y) = H(X) – H(X/Y)
3
I(X;Y) = H(X) + H(Y) – H(X,Y)
4
I(X;Y) = H(X) + H(Y) + H(X,Y)