Extracting data from matrix row vector
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Sag
am 21 Jan. 2016
Kommentiert: Star Strider
am 22 Jan. 2016
I have a double Streams with some process I have got vector F which has a value Now I want to go back to the Streams and locate value matching value of F; get 100 columns forward and collect all the data between those two columns. I tried with ismember to locate the position of F in Streams but no success
Data=Streams(J: (J-2544))%does not work
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Star Strider
am 21 Jan. 2016
MATLAB by default increments using the colon ‘:’ operator. If you want it to decrement, you have to tell it specifically to use a negative step.
See if this does what you want:
Data=Streams(J : -1 : (J-2544));
Notice the ‘-1’ step.
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Star Strider
am 22 Jan. 2016
If you cannot address your data arrays correctly, it could affect your data analysis.
‘J’ still needs to be an integer to create your subscript vector.
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