:ȡ洢նȾԪظ

ʽ:GetSparseSize2(Element)
Element:һm*nľ,ʾmԪ,ÿԪ洢nڵ,Ŵ1ʼ

ִϷԪظ

˵:дԪʱ,ҪװնȾ,ڸնȾ,ֻ浱еķ0Ԫ,ʱҪٸԪ,ǷĽ⡣ڶά,ҪĵԪΪصĽ4;ά,ҪĵԪΪصĽ9

:

//һ򵥵ƽεԪΪ
a=[1,2,3];
n=GetSparseSize2(a)//سõ½,յԪظΪn*4=9*4=36
n =
[ 9.00000000000000 ]