How to select a specified value into a matrix using readtable
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hi everyone, i'm using readtable function to get data from excel in this way:
matrix = readtable('sala_prove.xls');
now i have to select a specified row, for example
row = matrix(4,:);
at this point i should to select again a specified value, for example the first one of the row that i have just selected:
row(1)
but it doesn't work. there's an error message "You can not subscript a table using only one subscript. Table subscripting requires both row and variable subscripts." what does it mean? how can i resolve to select the first (or anyother) value in the row?
回答（1 个）
Walter Roberson
2015-9-18
1 个投票
row = matrix(4,:); selects a single row, but the result is still a table. You can use
row = matrix{4,:};
to extract the values.
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2015-9-18
2015-9-18
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