classification using classify function

hey every one i used this function in matlab [class,err,coeff] = classify(sample,training,group); (where sample is 476*11 and training 9520*11 and in the result coeff was 476*2) to classify the Belonging of sample between two groups , we have 11 predictors 1- how can we get the Discriminant function . 2- how can i know the importance of each predictors in the Discriminant operation . notes that coeff give us information about all variables not each one separately.