Show more digit number in command window

Are you trying to display a numeric result (in which case you should use the format function to change the format used to display numeric results) or a symbolic result (in which case you could use vpa)?

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Walter Roberson 2021-12-5

编辑：Walter Roberson 2021-12-5

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Digits() only affects floating point symbolic numbers; it has no affect on double precision or single precision.

There is no method to get exactly 6 digits in the command window. "format short" will give you 5 digits, and "format long g" will give you 15 digits. There is no way to customize the display to 6 digits.

However... if you were to round(TheData, 6) and display it with "format long g" in effect, you would mostly see 6 or fewer digits

format short
A = rand(2,5);
A
A = 2×5
    0.0877    0.6087    0.5334    0.8574    0.2875
    0.7265    0.7497    0.2620    0.2137    0.0151
round(A,6)
ans = 2×5
    0.0877    0.6087    0.5334    0.8574    0.2875
    0.7265    0.7497    0.2620    0.2137    0.0151
format long g
A
A = 2×5
        0.0877053423480108           0.6087128353141         0.533427760450286         0.857432414107602         0.287492789116849
         0.726472632732573         0.749749130180543         0.262043559790102         0.213660341475538        0.0150908977443623
round(A,6)
ans = 2×5
                  0.087705                  0.608713                  0.533428                  0.857432                  0.287493
                  0.726473                  0.749749                  0.262044                   0.21366                  0.015091