Need solution for this error
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Error using fscanf
Invalid file identifier. Use fopen to generate a valid file identifier.
Error in egm3dinvert (line 42)
bou=fscanf(fid,'%f',[numcolumns numrows]); %open the input gravity file, read it and stores it in variable 'bou'
回答（1 个）
First get a fid to open your file:
fid = fopen( filename )
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2022-1-14
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