how do i count NaNs in a vectors or array??

Sir I have a vector say

A=[5,5,6,NaN,NaN,8,10,5,7,3,NaN,11,5,3,8,9,7,NaN,NaN,NaN,NaN,NaN]

and i want to count the number of NaNs in between the numbers. The result should be[2,1,5]. how can I do it sir? please help

Answer 1

[Matt J]

If you have the Image Processing Toolbox,

    S=regionprops(isnan(A),'Area');

    result=[S.Area];

Answer 2

[Matt J]

Using SplitVec ( Download ),

   C=SplitVec(isnan(A),'equal',@sum);

   result=nonzeros([C{:}]).';