Transfer of latitude and longitudes coordinates from one form to another

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How can i change latitudes and longitudes in the following form to decimal form? Consider the coordinate (33°49'50"N 117°56'18"W) and show a simple way.
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Walter Roberson
Walter Roberson on 16 Jun 2018
To give you the code, I need to know what the existing data structure is. Do I need to break apart strings to get the pieces and convert them to numeric? Are the values already pure numeric, and if so then how is N/S and E/W signaled? Are the values in a cell array so that the characters 'N', 'S', 'E', 'W' can be examined?

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Answers (1)

Walter Roberson
Walter Roberson on 16 Jun 2018
lat_dms = lat_degrees + lat_minutes / 60 + lat_seconds / 3600;
if strcmpi(lat_NS, 'S'); lat_dms = -lat_dms; end
long_dms = long_degrees + long_minutes / 60 + long_seconds / 3600;
if strcmpi(long_EW, 'W'); long_dms = -long_dms; end
result = [lat_dms, long_dms]

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