vector display

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A
A 2011-5-20
when i use disp(im), where im is image vector after PCA, I get output as: 1.0e+003 *
1.234 -0.964 ....
what is 1.0e+003 * in the beginning??

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采纳的回答

Arnaud Miege
Arnaud Miege 2011-5-20
Have a look at the format function, for example try:
format short g
disp(im)
HTH,
Arnaud

更多回答（1 个）

Jan
Jan 2011-5-20
DISP tries to be smart and occupy as small space in the command window as possible. If all the data have a magnitude far appart from 1.0, DISP rescales the values and shows the scaling factor on top of the values. Possible solutions:
format long g
or
fprintf([repmat('%g ', 1, size(im, 2)), '\n'], transpose(im));

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