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Re: Matrix manipulation
From: |
Francesco Potortì |
Subject: |
Re: Matrix manipulation |
Date: |
Thu, 21 Jun 2012 22:29:49 +0200 |
>Matrix looks like this (first number marks the row number and that is what I
>am trying to preserve):
>251 70.196 69.02 26.275
>252 83.529 51.765 36.471
>253 10.98 53.333 38.824
>254 4.3137 69.804 20.392
>255 15.294 98.824 57.255
>
>The project I am working on is transforming colors between different color
>spaces.
>First step is really simple and only requires me to divide columns two to four
>by 100.
>
>This is my code:
>
> RGB=dlmread("/Users/Knof/Desktop/Matrix.txt");
>
> #Size of matrix
> b=size(RGB);
>
> #Matrix length
> v=b(1,1);
>
> #Divide by 100
> for i=1:v
> value(i,2:4)=(RGB(i,2:4)) /100;
> end
RGB = load("/Users/Knof/Desktop/Matrix.txt");
RGB(:,2:4) /= 100;
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