8/15/2019 25 test

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some text some text some text some text some text some text some text some text some textsome text some text some text some text some text

0<i<m0<j<n

P (i, j)

some text some text some text some text some text some text some text some text some text sometext some text some text some text some text

x  ∈ [−1, 1]   x  ∈ [−1, 1]   x  ∈ [−1, 1]

A basic matrix may be created using the matrix environment; in common with other table -likestructures, entries are specified by row, with columns separated using an ampersand (&) and a newrows rows separated with double backslash (\\).

a b c

d f g

h i j

To specify alignment of columns in the table, use starred version;

−1 32   −4

 = −1 32   −4

1