How to find number in a matrix and output its row number?

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shatha almarri
shatha almarri on 15 Feb 2021
Answered: Walter Roberson on 15 Feb 2021
I have a coloumn vector
M = [83 82 86 84 85 90]
How can I find at which row the matrix has a value of 85 (should output row = 5 since 85 is on the 5th row)

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Accepted Answer

Walter Roberson
Walter Roberson on 15 Feb 2021
Ran in:
M = [83 82 86 84 85 90].'
M = 6×1
83 82 86 84 85 90
[row, column] = find(M == 85)
row = 5
column = 1

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