# Picking the right combination from the arrays

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Ganesh Kini on 27 May 2020
Commented: Ganesh Kini on 28 May 2020
I have 4 arrays, two combinations of Nwell and Pwell voltages of Transistor 1 and Transistor 2
For transistor 1
vnw_1 =
0.00000 0.90000
vpw_1 =
-1.8000 -1.2000
So we define as (Vn, Vp) as (0.00000, -1.8000) and another (0.90000, -1.2000) these are the combination respectively.
for transistor 2
vnw_2 =
0.90000 0.00000
vpw_2 =
-1.20000 0.20000
Similarly we have (Vn, Vp) as (0.90000, -1.2000) and another (0.00000, 0.20000)
we can see that (0.90000, -1.2000) is common in T1 and T2.
I want to get the common voltage as the output
How do i do that? There is nothing linked to the concepts of transistors, just i need that combination as the output. How do i do that? Please help me

David Hill on 27 May 2020
Not sure how you are getting your data. Generally, you would not want to use so many variables but rather index into a single variable.
A=[vnw_1;vpw_1]';
B=[vnw_2;vpw_2]';
C=A(ismember(A,B,'rows'),:);

Ganesh Kini on 28 May 2020
Hi,
Thanks for all the suggestions, It works, But what if it has different dimensions ?
VNW1
-0.20000 -0.20000
vpw1 =
-0.90000 -1.80000
VNW2 =
1.20000 0.30000 0.90000 -0.20000 1.20000
VPW2=
0.00000 -1.20000 -0.90000 -1.80000 -0.30000
Rik on 28 May 2020
Ganesh Kini on 28 May 2020
@Rik Just wanted to know different approaches to solve the issue.
Thanks for the help it works fine