How to use non-integer(decimal) values as target values in neural network?

 size(input)  = [ I N ]
 size(target) = [ O N ]

For regression/curve-fitting see the FITNET documentation with sample code:

 help fitnet
and
 doc fitnet

For classification/pattern-recognition see the PATTERNNET documentation:

 help patternnet
and
 doc patternnet

For more examples you can search the NEWSREADER and ANSWERS using

 greg fitnet
or
 greg patternnet