Get a trace of all reference coordinates.
t=allref(f)
ALLREF returns a coordinate trace t containing all reference coordinates in the imat_fn f. The coordinate trace will be in the order of the functions in f(:).
To create a coordinate trace of all unique reference coordinates in f, use unique(allref(f)).
>> f=readunv('/ms5/examples/tda/air_func.unv')
Universal file written in SI units, converting to IN
Read 211x1 imat_fn
f =
211x1 IMAT Function with the following attributes:
Record Name FunctionType AbscissaSpacing NumberElements
-------------------- ---------------- ---------------- ----------------
1_(30X+,1Z+) Frequency Respon Even 512
2_(1Z+,1Z+) Frequency Respon Even 512
3_(16Z+,1Z+) Frequency Respon Even 512
4_(30X+,2Z+) Frequency Respon Even 512
5_(1Z+,2Z+) Frequency Respon Even 512
6_(16Z+,2Z+) Frequency Respon Even 512
7_(30X+,3Z+) Frequency Respon Even 512
8_(1Z+,3Z+) Frequency Respon Even 512
9_(16Z+,3Z+) Frequency Respon Even 512
10_(30X+,4Z+) Frequency Respon Even 512
11_(1Z+,4Z+) Frequency Respon Even 512
12_(16Z+,4Z+) Frequency Respon Even 512
...
197_(16Z+,25Y+) Frequency Respon Even 512
198_(30X+,30Y-) Frequency Respon Even 512
199_(1Z+,30Y-) Frequency Respon Even 512
200_(16Z+,30Y-) Frequency Respon Even 512
201_(16Z+,1Z+) Frequency Respon Even 512
202_(16Z+,15Y-) Frequency Respon Even 512
203_(16Z+,16Y+) Frequency Respon Even 512
204_(16Z+,17Y-) Frequency Respon Even 512
205_(16Z+,18Y+) Frequency Respon Even 512
206_(16Z+,21Y-) Frequency Respon Even 512
207_(16Z+,22Y+) Frequency Respon Even 512
208_(16Z+,23Y-) Frequency Respon Even 512
209_(16Z+,24Y+) Frequency Respon Even 512
210_(16Z+,25Y+) Frequency Respon Even 512
211_(16Z+,30Y-) Frequency Respon Even 512
>> t=allref(f);
>> length(t)
ans =
211
>> t(1:5)
ans =
'30X+'
'1Z+'
'16Z+'
'30X+'
'1Z+'
>>
unique(t)
ans =
'1Z+'
'16Z+'
'30X+'
>>