[moved] matrix operations in matlab

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emerson_11

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Am having a feature matrix with 12 rows and 5 coloumns which contains male and female image features. i want to split and assign first five rows for a variable 'male' and remaining rows for a variable 'female'. How can i do that in matlab?
 

Re: matrix operations in matlab

using colon) notation , matrices can be separated.
 
is this code correct?
clc;
clear all;
close all;
load m1
save m1.mat a
x = a,1);
y = a,2);
 

it just shows this error.
"Error in sample (line 5)
x=m1(1:5,;"
I have stored the matrix as m1.mat. so can call write the code like this?
load m1
x=m1(1:5,;
y=m1(6:12,;
 

a typo in my earlier post:
instead of
x=(1:5,;
y=(6:12,;
it should be

x=a(1:5,;
y=a(6:12,;

In your code , first comes 'load m1'

what is m1?
does it contain only one variable?

not clear in your code.
 

m1 is a matrix.I have stored my features in m1 matrix
 

if you refer m1 as a matrix , then x=m1(...); is correct
.
 

Am doing HOG feature extraction which gives me 1*4680 vector.Can anyone suggest me any steps to reduce the size of this vector?
 

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