Extract variables from multiple .mat files

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Angela Bowman
Angela Bowman 2011-9-15
I have ~250 *.mat files in a year with ~25 variables in each file. I need to extract 1 variable from all of the files and create a new *.mat file to validate against other data.
What is the best way to solve this?

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回答（2 个）

Fangjun Jiang
Fangjun Jiang 2011-9-15
My code in this answer could be used for your task too. Take a look to see if you have further questions. Basically, you need to go through a for-loop looping on your ~250 .mat files, taking one variable at a time.
http://www.mathworks.com/matlabcentral/answers/15950-confusion-about-many-many-workspace-variables
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Angela Bowman
Angela Bowman 2011-9-16
Lat_coord(222,46);
Lon_coord(364,113);
x_value - let's call it 275 for example - is determined from Lat Lon, but the cell in variable "x_value" is unknown.
Matrix is 407X308, assume all other values NaN.

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Walter Roberson
Walter Roberson 2011-9-15

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