what is lda function in python why use sobel filter why is it necessary that the decision boundary be a zero? why would i need to extract decision boundaries how to extract decision boundary in python what is the function of the sobel filter how to extract information lda from data how to extract decision boundary can lda be extracted from feature space which filter is used to extract a decision boundary what is lda what filter do i use for decision boundaries what kind of filter does the python lda use? what is the function of the argmax in sobel filter in python which statement best illustrates the process of extracting a decision boundary what is the purpose of the sobel filter in python what does lda mean? how do you get a decision boundary in feature space which filter can extract a decision boundary from a feature space? what method do you use to get a decision boundary in numpy