find the cordinate in the array using index

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singh
singh 2015-4-17
评论： Star Strider 2015-4-17
suppose i have three array
A =
X Y
10.22 21.32
21.54 28.31
94.43 64.11
55.33 82.43
66.11 32.43
82.43 21.54
55.33 82.00
93.22 12.32
in each XY coordinate contain one value which will be store in array B
one value with respect to that XY coordinates contains
B=
29
43
69
1
88
66
21
array contain index value of each XY coordinates
C=
1
2
3
4
5
6
7
now i wish to get XY coordinate of any one value of B through index value
let i have one value from array B is 88
ch=88
and now how i get the index value of the that ch value
and how to get the XY coordinate from A through index value.

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采纳的回答

Star Strider
Star Strider 2015-4-17
编辑：Star Strider 2015-4-17
Assuming that you want to use ‘B’ and ‘C’, this works:
Result = A(C(B == 88),:)
produces:
Result =
66.11 32.43

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