matrix to a point plot

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Christian Jensen
Christian Jensen 2018-5-6
评论： Ameer Hamza 2018-5-6
Hi,i'm fairly new to all this, but as the title say i need help to make a point plot from my data. So i have a [M N] Matrix (my test data is 7x15, but it need to work with any size matrix),
i want to have so it look like this.: https://www.google.dk/search?q=scatterplot&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj27tGe7vDaAhXTxKYKHabqBAsQ_AUICigB&biw=1366&bih=637#imgrc=hjPIB_OYmEMk7M: but i can't make it work with a unknown size matrix. I have tried with the in-build scatterplot function (isn't it the best function to use in this case) I have also tried with gplotmatrix but it's a bit more complex..
Thank you in advance, sincerely
Christian
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Ameer Hamza
Ameer Hamza 2018-5-6
Do you mean column value or row value? Look at my answer below. It takes column number as x value.
Christian Jensen
Christian Jensen 2018-5-6
column value, going to try it out, thanks !

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Ameer Hamza
Ameer Hamza 2018-5-6
As you mentioned in the comment, you can do it as follow
xData = ones(size(data)).*[1:size(data,2)]; % create x matrix with same column number
scatter(xData(:), data(:));
here data is the name of your m*n matrix.
  2 个评论
Christian Jensen
Christian Jensen 2018-5-6
YES! it worked been trying for almost two days to make it work, thanks :-D
Ameer Hamza
Ameer Hamza 2018-5-6
Happy that it helped. You are welcome.

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