problem with Boolinger Band
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>> Data=1:500;
>> bollinger(Data)
Error using bollinger
Expected Window size to be a scalar with value <= 1.
采纳的回答
Note the documentation of bollinger input argument Data:
Data for market prices, specified as a matrix, table, or timetable. For matrix input, Data must be column-oriented.
This means that bollinger is expecting one or more columns of data. You've given a row vector, so transpose (.') it:
Data=1:500;
[middle,upper,lower] = bollinger(Data.');
plot(Data)
hold on
plot(middle,'--')
plot(upper,'--')
plot(lower,'--')
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