jsonencodenan

  JSONENCODENAN - encode a JSON object allowing Nan/Infinity

  T = JSONENCODENAN(OBJ)

  Encodes the Matlab variable OBJ into a JSON object in a manner that 
  allows the use of NaN and -Inf and Inf.

  JSONENCODE is called with 1 argument or 2 (Matlab 2018b) to ensure
  these numbers are allowed.

  See also: JSONENCODE