transform exponential number to decimal
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Hi. I have the following cell:
M1 = importdata("M1.mat");
A = compose('%d (%2d%%)', [M1(:,1), M1(:,2)]);
How can I turn exponential numbers (inside the brackets) into decimal numbers?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1478981/image.png)
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David Hill
2023-9-11
M1 = importdata("M1.mat");
A = compose('%d (%3.2f%%)', [M1(:,1), M1(:,2)])
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Steven Lord
2023-9-11
Use a different format specifier. The second column of your data doesn't contain integer values, so using %d for that column is not the right thing to do. Let's try %g instead and specify that you want three significant figures. See the documentation for the formatSpec input argument to the compose function for more information about the different format specifiers you can use.
% Sample data
M1 = [81, 6.18; 82, 7.51; 83, 9.03; 84, 10.2]
S = compose("%d (%3g%%)", M1)
FYI while your result was stored in a cell array, I used double quotes in my call to the compose command to create a string array instead.
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