I have designed a 2nd order sigma-delta modulator in simulink. In order to calculate its SNR and PSD and....I have added the block of "to workspace" at its output.
Now i have the Yout in the workspace but i can't do anything with it such as to plot it, i get something like this:
>> f=[1:20]
f =
Columns 1 through 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Columns 17 through 20
17 18 19 20
>> plot (f,Yout)
??? Error using ==> plot
Invalid line property: 'time'.
What is wrong with what i do? Could anybody help me plz?