Format of numeric values in Disp command

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Joe Apaloo
Joe Apaloo am 3 Feb. 2020
Beantwortet: Joe Apaloo am 3 Feb. 2020
I have a display command of form pasted below. The u1star values are printed as #.####e-109. I just want these numbers printed to 4 decimal places and not to use the e-## format. How do i use the commands below to achieve this? Thank you.
T=table(results(:,1), results(:,2), results(:,3), ...
results(:,4), results(:,5), results(:,6));
header={'u2_fixed', 'x_initial', 'u1_initial', 'xstar', 'u1star', 'ystar'};
T.Properties.VariableNames = header;
disp(T);
  1 Kommentar
Star Strider
Star Strider am 3 Feb. 2020
Tables inherit the current format setting from the environment, so changing that can change the wasy table clements are displayed. However with extremely large or small values (such as something on the order of I doubt there is much you can do about that, unless you sant to display them as 0.0000 or some such. Experiment with the format setting and see what works for you.

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Antworten (4)

Walter Roberson
Walter Roberson am 3 Feb. 2020
round(T{:,:}, 4)

Joe Apaloo
Joe Apaloo am 3 Feb. 2020
Bearbeitet: Walter Roberson am 3 Feb. 2020
Yes, I want the answer printed to the screen as 0.0000. I have tried "format short", "format shortg" but it did not work.
round(T{:,:}, 4)
also placed after
T=table(results(:,1), results(:,2), results(:,3), ...
results(:,4), results(:,5), results(:,6));
does not work.
  1 Kommentar
Walter Roberson
Walter Roberson am 3 Feb. 2020
Are all the columns in the table numeric? If so then the round() command I showed should work, provided that you are not using too old of a MATLAB.
>> T = array2table(rand(10,5))
T =
10×5 table
Var1 Var2 Var3 Var4 Var5
__________________ __________________ _________________ __________________ _________________
0.609866648422558 0.167927145682257 0.096730025780867 0.453797708726919 0.399257770613576
0.617666389588455 0.978680649641159 0.818148553859625 0.432391503783462 0.526875830508296
0.859442305646212 0.712694471678914 0.817547092079286 0.825313795402046 0.416799467930787
0.805489424529686 0.500471624154843 0.722439592366842 0.083469814858914 0.656859890973707
0.576721515614685 0.471088374541939 0.149865442477967 0.133171007607162 0.627973359190104
0.182922469414914 0.0596188675796392 0.659605252908307 0.173388613119006 0.291984079961715
0.239932010568717 0.681971904149063 0.518594942510538 0.390937802323736 0.43165117024872
0.886511933076101 0.0424311375007417 0.972974554763863 0.83137974283907 0.015487125636019
0.0286741524641061 0.0714454646006424 0.648991492712356 0.80336439160244 0.984063724379154
0.489901388512224 0.521649842464284 0.800330575352401 0.0604711791698936 0.167168409914656
>> round(T{:,:},4)
ans =
0.6099 0.1679 0.0967 0.4538 0.3993
0.6177 0.9787 0.8181 0.4324 0.5269
0.8594 0.7127 0.8175 0.8253 0.4168
0.8055 0.5005 0.7224 0.0835 0.6569
0.5767 0.4711 0.1499 0.1332 0.628
0.1829 0.0596 0.6596 0.1734 0.292
0.2399 0.682 0.5186 0.3909 0.4317
0.8865 0.0424 0.973 0.8314 0.0155
0.0287 0.0714 0.649 0.8034 0.9841
0.4899 0.5216 0.8003 0.0605 0.1672

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Joe Apaloo
Joe Apaloo am 3 Feb. 2020
The strange thing is that when I print results before the series of commants for the disp I get
results =
0.1000 3.0000 1.0000 239.4717 0.0000 -204.1148
which is what I want in the disp comand.
  1 Kommentar
Walter Roberson
Walter Roberson am 3 Feb. 2020
Unless results was a cell array, round(T{:,:},4) will work.
Note that using that will not modify T and will not affect what you see with the variable browser -- but your question was about what is seen with disp() not about the variable browser and not about storing the rounded versions.

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Joe Apaloo
Joe Apaloo am 3 Feb. 2020
Thank you very much Star and Walter. Cheers.

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