MATLAB: About function rats and how to output to .txt

ratstrimtrim whitespace

In Figure 1, I want to express the number of numbers in my file (test1.txt) plus pi

For example: -1.17809724509617 convert to -3/8*pi

The problem I am having now is that I have a large space after using rats.

Causes me to output to txt when there is a comma in front like Figure 2

what should I do?

Best Answer

a1 = strtrim(rats(a/pi));

Use strtrim() to remove leading and trailing white space.

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MATLAB: Is there loss of precision when writing values using CSVWRITE in MATLAB 7.0 (R14)

The CSVWRITE function converts numbers to short format before writing them to the file. To preserve precision, use the DLMWRITE function to explicitly set the precision of the data in the CSV-file:

dlmwrite('filename.csv', [1.23456789], 'delimiter', ',', 'precision', 9);

MATLAB: Importing .txt matrix

Read it using these lines

filetxt = fileread('m1.txt');
filetxt = strrep(filetxt, ',', '.');
data = cell2mat(textscan(filetxt, '%f%f%f%f'))

Best Answer

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MATLAB: Is there loss of precision when writing values using CSVWRITE in MATLAB 7.0 (R14)

MATLAB: Importing .txt matrix

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