MATLAB: How to Compute Coordinates Values

Hi,

I have Co-ordinates 4 X and 4 Y different values ,so i need to compute single value.

Example : left_x = 20; left_y = 40; right_x =23;right_y =44; bottom_x=44;bottom_y=33;upper_x=122;upper_y= 87; so how to make single value any idea please let me know ?

Best Answer

sqrt(sum((x(:)-y(:)).^2))

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MATLAB does not have array lists exactly like that. It has cell arrays which are similar.

matrix = {[X Y]; [X1 Y1]; [X2 Y2]}

MATLAB: How find FWHM for large numbers of plots

Try this:

x=-4:5;
for k = 1:numel(x)
    z=x(k).^2;
    y(k) = z;
end
[miny,idx] = min(y);
left_x = interp1(y(1:idx),x(1:idx), y(1)/2)
right_x = interp1(y(idx:end),x(idx:end), y(1)/2)
figure
plot(x,y)
hold on
plot([left_x right_x], [1 1]*y(1)/2, '+r')
hold off

There is no ‘full width-half-maximum’ because ther is no defined maximum. This code finds the approximate values for ‘full-width-half-minimum’ instead, since only that makes sense in this context.

Best Answer

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MATLAB: How i can form Array List

MATLAB: How find FWHM for large numbers of plots

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