how can i split a single output into 2 outputs

i have an output. i need to split it into 2 outputs so that i can find the difference(Δ) between the data

[Cedric]

What kind of output do you have? Can you show us explicitly? .. and also tell how the split output would look like if you were able to split it.

[Walter Roberson]

Duplicates http://www.mathworks.co.uk/matlabcentral/answers/62424-how-to-split-an-output-into-various-output