floor()

[shoker_17]

Octave Version:  2.1.72
Knowledge of Octave: Beginner

############### matrix of an image#######################
1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 0.996078431372549 0.980392156862745 0.992156862745098 1 1 1 1 1 1 1
 1 0.556862745098039 0.733333333333333 0.733333333333333 0.733333333333333
0.733333333333333 0.733333333333333 0.737254901960784 0.729411764705882
0.996078431372549
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
############### matrix of an image#######################

The above matrix was used during the computation. When I used floor() to
round down the decimal values, I got the following result. Please enlighten
me!!

############### result#######################
 1 1 1 1 1 1 1 1 1 1
 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0
 0 0 0 1 1 1 1 1 1 1
 1 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0
 1 1 1 1 1 1 1 1 1 1
 1 1 1 1 1 1 1 1 1 1
 0 0 0 0 0 0 0 0 0 0
############### result#######################

Its not difficult for us to see that the result does not tally with the
original image.
Anyone care faced this problem before?? 

Shoker

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