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ndb


Last seen: ongeveer 3 jaar ago |  Active since 2011

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Professional Interests: Atmospheric Sciences

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Convolution? Kernal density? Resample? Help!
Hello: I have a curve (let's assume it's a continuous function) that fluctuates in x,y space wtih regions of monotonically inc...

meer dan 3 jaar ago | 1 answer | 0

1

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Textscan encountering unwanted character. How do I kill that line and move on without killing the script??
Hello: I'm processing a large temporal dataset (data recorded every minute with 60+ columns). Right now, I'm using textscan() t...

ongeveer 5 jaar ago | 1 answer | 0

1

answer

Question


Image analysis: identify circle, calculate pixel gradient across image within circle
Hello experts! I have images I'm collecting from field data. In Matlab, I'd like to: # Identify the circle within the ima...

meer dan 6 jaar ago | 0 answers | 0

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I get several "Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException" errors during a MATLAB session. Help.
Hello: I get several errors that read: "Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at ..." and the...

meer dan 8 jaar ago | 0 answers | 0

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Reducing nonuniform-timed data to x-minute averages
I have an incredible amount of data recorded at nonuniform time intervals. I'll like to boil the data down to a multi-minute ave...

bijna 12 jaar ago | 1 answer | 0

1

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Question


Filtering Data
Hello, I am trying to compute an average and variance of a large data set (~330000 rows x 3 different columns), but I'd like ...

ongeveer 13 jaar ago | 1 answer | 0

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