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function tf = isundefined(tc) %isundefined True for elements of a tall categorical array that are undefined. % Supported syntaxes: % TF = ISUNDEFINED(A) % % See also CATEGORICAL/ISUNDEFINED % Copyright 2016 The MathWorks, Inc. tc = tall.validateType(tc, upper(mfilename), {'categorical'}, 1); tf = elementfun(@isundefined, tc); % Apply an appropriate adaptor. adaptor = matlab.bigdata.internal.adaptors.getAdaptorForType('logical'); tf.Adaptor = copySizeInformation(adaptor, tc.Adaptor); end