matlab - Undefined function 'squareform' for input arguments of type 'double' -


i have matrix w, in matlab of type double , upon trying run w_sf=squareform(w)'; following error:

undefined function 'squareform' input arguments of type 'double'.

i tried running squareform after converting w float using single(w), , still same error squareform. exact type must convert w into, , how?


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