Plotting a Matrix in matlab with float elements

Question

I have results of an experiment which is parameter optimization of support vector regression. I have the first three columns the parameters and the last column the MSE so I have about 24,646 X 4 matrix. I would like to get the parameters corresponding to the smallest MSE. How can I plot this on Matlab? the elements of the matrix are float numbers. Thank you for your help.

Answer 1

Use second output of min to obtain the index of the minimum value in the fourth columns; and then use that to get the parameters:

[~, ind] = min(matrix(:,4));
params = matrix(ind,1:3);