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Table 1 Computing a pool \(\ell\) using formula (5) for \(d=3, q=3, a=1, b=0\)

From: Effective matrix designs for COVID-19 group testing

i1

i2

\(\varvec{x}_{\varvec{i}}\)

\(\varvec{y}_{{\varvec{x}_{\varvec{i}} }}\)

\(\varvec{qx}_{\varvec{i}} + \varvec{y}_{{\varvec{x}_{\varvec{i}} }}\)

\({\mathbf{\ell }}\)

0

0

0

0

0

\(v_0\)

0

1

1

1

4

\(v_4\)

0

2

2

2

8

\(v_8\)

1

0

3

1

10

\(v_{10}\)

1

1

4

2

14

\(v_{14}\)

1

2

5

0

15

\(v_{15}\)

2

0

6

2

20

\(v_{20}\)

2

1

7

0

21

\(v_{21}\)

2

2

8

1

25

\(v_{25}\)