How can I convert utm coordinates to lat long in my script?

Hi! I'm working on a satellite image in GeoTiff format, in which I'm measuring sst (sstcal in my MATLAB script). I have created the raster with the X and Y coordinates, and with this program I can paint the image and observe the thermal contrasts on the ocean surface. I have been trying to convert the coordinates of XY (UTM) to latitude longitude, and I can not find the solution. Could you help me?

%% Coordinates
RasterExtentInWorldX=R.RasterExtentInWorldX;
RasterExtentInWorldY=R.RasterExtentInWorldY;
XIntrinsicLimits=R.XIntrinsicLimits;
YIntrinsicLimits=R.YIntrinsicLimits;
SampleSpacingInWorldX=R.SampleSpacingInWorldX;
SampleSpacingInWorldY=R.SampleSpacingInWorldY;
 
X=RasterExtentInWorldX:SampleSpacingInWorldX:RasterExtentInWorldX+((XIntri​nsicLimits(2)-1)*SampleSpacingInWorldX);​
Y=RasterExtentInWorldY:SampleSpacingInWorldY:RasterExtentInWorldY+((YIntri​nsicLimits(2)-1)*SampleSpacingInWorldY);​
[XX,YY]=meshgrid(X,Y);
 
%% 
pcolor(XX,YY,sstcal), shading flat, colormap('jet'), colorbar

Thank you.

Answer 1

[Walter Roberson]

https://www.mathworks.com/matlabcentral/fileexchange/44242-utm2lonlat

or other similar File Exchange contributions.