第92行: |
第92行: |
| |- | | |- |
| |<math>Y = X_1</math> | | |<math>Y = X_1</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |C(X1 ∧ X2) | + | | |
− | |I(X1; X2) | + | {| class="wikitable" |
− | |> I(X1; X2) | + | |- |
| + | |<math>C(X_1; X_2)</math> |
| + | |} |
| + | |<math>I(X_1; X_2)</math> |
| + | |<math>>I(X_1; X_2)</math> |
| |1 | | |1 |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
| |- | | |- |
| |<math>Y = (X_1, X_2)</math> | | |<math>Y = (X_1, X_2)</math> |
− | |C(X1 ∧ X2) | + | | |
| + | {| class="wikitable" |
| + | |- |
| + | |<math>C(X_1; X_2)</math> |
| + | |} |
| |1 | | |1 |
| |1 | | |1 |
− | |C(X1 ∧ X2) | + | | |
− | |C(X1 ∧ X2) | + | {| class="wikitable" |
− | |> I(X1; X2) | + | |- |
| + | |<math>C(X_1; X_2)</math> |
| + | |} |
| + | | |
| + | {| class="wikitable" |
| + | |- |
| + | |<math>C(X_1; X_2)</math> |
| + | |} |
| + | | |
| + | {| class="wikitable" |
| + | |- |
| + | |<math>>I(X_1; X_2)</math> |
| + | |} |
| |1 | | |1 |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
− | |I(X1; X2) | + | |<math>I(X_1; X_2)</math> |
| |} | | |} |
− | 在以上四种情况中,源变量 <math>\{X_1,X_2\}</math> 都是独立同分布的均匀二值分布。 | + | 在以上四种情况中,源变量 <math>\{X_1,X_2\}</math> 都是独立同分布的均匀二值分布。<math>I(X_1; X_2)</math>是源变量间的互信息(mutual information),<math>C(X_1; X_2)</math>是源变量间的共有信息(common information)。 |
| | | |
| ==== 整合信息分解 ==== | | ==== 整合信息分解 ==== |