referencing arrays
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I have 2 arrys that are the same size, I'd like to use the values from one array to reference values in the other.
Example
action =
['short']
['long']
['waiting']
['short']
profit =
[-50.00]
[100.00]
[0]
[20.00]
I'd like to take the profit values where action = 'short' and put them into a third array called results.
so results = [-50.00] [20.00]
what is the best way to do this?
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回答(2 个)
Sean de Wolski
2012-4-5
action = {
['short']
['long']
['waiting']
['short']};
profit = {
[-50.00]
[100.00]
[0]
[20.00]};
results = profit(ismember(action,'short'))
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