Finding the index (rank) of a specific number from a column

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Abbi Hashem
Abbi Hashem 2018-12-10
评论： Abbi Hashem 2018-12-10
Suppose I have a column B = [ 1 4 8 3 5 9]
and I have another vector = [ 8]
In this case, I want to find the rank where it's matched in the vector which should return a value of 3 (3rd). How do I do that ?
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Abbi Hashem
Abbi Hashem 2018-12-10
if you look at the vector , the 1st value is 4 , second is 4 , third is 8 ... the "3 " as in third value is what I want to obain

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Walter Roberson
Walter Roberson 2018-12-10
[~, idx] = ismember(8, B)
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Walter Roberson
Walter Roberson 2018-12-10
just_a_variable = 8;
[~, rank_that_you_are_looking_for_this_is_the_result_that_you_want] = ismember(just_a_variable, B);

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