matlab 新手提问A = 0.5000 0.2500 0.1250 0.1250>> H1=-sum(A.*log2(A)) H1=-sum(A.*log2(A))? |Error:The expression to the left of the equals sign is not a valid target for an assignment.>>

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matlab 新手提问A = 0.5000 0.2500 0.1250 0.1250>> H1=-sum(A.*log2(A)) H1=-sum(A.*log2(A))? |Error:The expression to the left of the equals sign is not a valid target for an assignment.>>
matlab 新手提问

A =    0.5000    0.2500    0.1250    0.1250>>  H1=-sum(A.*log2(A)) H1=-sum(A.*log2(A))?      |Error:The expression to the left of the equals sign is not a valid target for an assignment.>>

matlab 新手提问A = 0.5000 0.2500 0.1250 0.1250>> H1=-sum(A.*log2(A)) H1=-sum(A.*log2(A))? |Error:The expression to the left of the equals sign is not a valid target for an assignment.>>
>> A =[0.5000 0.2500 0.1250 0.1250];
>> H1=-sum(A.*log(A)/log(2)) % matlab里只能识别log (就是ln)
H1 =
1.7500
>>

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