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Avi


18 total contributions since 2010

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 years ago

Responded


Re: svd
i think x= b\A is less stable it solves using qr algorithm but in svd there is option to stabilize the inversion of matrix real...

6 years ago | 4108 views

Responded


Re: solving equitations
please write your equation in the form Ax=b A is the matrix what is your size ? example : alpha*x+beta*y =m gamma*x+delta*y =...

6 years ago | 2008 views

Responded


Re: Accurate Airplane animation in Matlab
The Aerospace Toolbox product extends the MATLAB® technical computing environment by providing reference standards, environment ...

6 years ago | 4951 views

Responded


Re: svd
yes but if some elements of diag(v) are zeros and you raise it in v.^-1 ypu recive infinity !!

6 years ago | 4108 views

Responded


Re: svd
i suppose first i need to make new v dv = diag(v) mz = find(dv==0) mo = find(dv~=0) vnew=v(mo) vi = vnew.^-1 vzinv=zeros(size(...

6 years ago | 4108 views

Posted


svd
i have equation Ax=b (A) now how i find x ?

6 years ago | 4108 views

Posted


legend
i have 3 commands gscatter(x,y,g,'br','ps') plot(x(i),y(j),'go') plot(x(k),y(k),'mo') ('A','B','C','D') THE ISSUE THAT SOMTIME...

6 years ago | 2080 views

Posted


plot rgb
how to add more colors to plot command [ r g b] like in imagesc we have many colors !! not only

6 years ago | 16593 views

Responded


Re: Noise Central Frequency
there is no meaning in your quastion noise bandwith is all over spectrum

6 years ago | 1499 views

Responded


Re: labelling segmented image
try img>threshold will convert the image to binary also look at rgb2gray graythresh [ compute threshold for you] bwlabel examp...

6 years ago | 2867 views

Posted


memory windows 7
how to increase memory of matlab windows 7 as i see i have 3068 mb in physical ram but virtual memory total 2047 mb also why ...

6 years ago | 1516 views

Responded


Re: unique values for 2 columns
plot(x,y,'r*') it will plot in points .. also you can decide several value for x cloumn [ 6 7 8 ] [round all number s,,,] ...

6 years ago | 8340 views

Posted


kmeans
i want to determine number of clusters use The Elbow Method http://en.wikipedia.org/wiki/Determining_the_number_of_clusters_in_a...

6 years ago | 2124 views

Posted


Treebagger
has someone compared treebagger of matlab with opencv [open computer vision] tree random forest performance ?

6 years ago | 1841 views

Posted


demo code

6 years ago | 789 views

Posted


dtw dynamic time warping
hello i build ref vector for dtw use tree where i merge each time 2 vectors the problem is the the ref vector grows how to sav...

6 years ago | 1018 views

Responded


Re: Fill the Black Holes in Binary Images
try use regionprops and identify holes the find the cordinate of pixels of holes and by criterion of area or radius fill the th...

6 years ago | 9223 views