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Help! Symsum formular in matlab

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Kien Tang
Kien Tang 2020-9-1
评论： Kien Tang 2020-9-2
Hi i am new to matlab and i am currently having some trouble with this fomular, i want to implement this fomular into matlab but dont know how
m = 200
with w is a 1xm matrix
lamda is a mx1 matrix
y is a 1xm maxtrix
x is a 8500xm matrix
PS: this fomular is from calculating the Weight in dual form SVM with y is the train label and X is the train data with 8500 sample and 200 features each sample

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David Hill
David Hill 2020-9-1
w=(lamda'.*y)*(x');

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