Question About Number Format in MATLAB Command Window
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ercan duzgun
el 14 de En. de 2021
Comentada: ercan duzgun
el 14 de En. de 2021
% I would like to display a number as a short format. I already executed this command:
format short
% However it doesn't work for some cases. For example, I receive this result:
>> pi
ans =
3.1416
% But I have another variable which I got from solutions of a polynomial.("roots" command)
% If I display those solutions,
% I get long number results. It looks like this:
>> format short
>> disp(x1_sols)
0.74613506773662727719908766254638
0.74624784618189352426025884090749
0.77735277675703701413872152754508
0.82647611867148647532781596815636
1.0679165995745538795723120147744
1.3550488761820195655871374504513
% How can I get short form of this?
% Thank you in advance.
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John D'Errico
el 14 de En. de 2021
Editada: John D'Errico
el 14 de En. de 2021
These are numbers from the symbolic toolbox. That toolbox does not use the format tools to display numbers (though perhaps arguably it could, but that would introduce a whole new set of problms.) You can use vpa to do that.
XX = vpa(1./sym([2;3;7;11;13]))
XX =
0.5
0.33333333333333333333333333333333
0.14285714285714285714285714285714
0.090909090909090909090909090909091
0.076923076923076923076923076923077
vpa(XX,4)
ans =
0.5
0.3333
0.1429
0.09091
0.07692
3 comentarios
Walter Roberson
el 14 de En. de 2021
Or you can use double(), which would probably be more appropriate.
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