command to have all plots use latex as default text interpreter in matlab

To set the default text interpreter in MATLAB to use LaTeX for all plots, you can use the following command:

main.m
set(groot, 'defaultAxesTickLabelInterpreter','latex');
set(groot, 'defaultLegendInterpreter','latex');
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This command sets the defaultAxesTickLabelInterpreter property of the root graphic object (groot) to 'latex', which instructs MATLAB to interpret the tick labels of all axes using LaTeX. Similarly, it sets the defaultLegendInterpreter property to 'latex', which tells MATLAB to interpret the legend text using LaTeX.

After executing these commands, any subsequent plots that you create in MATLAB will automatically use LaTeX as the default text interpreter. This applies to the tick labels on the axes as well as the legend text.

You can add these commands to your MATLAB startup file (e.g., startup.m) to ensure that LaTeX is used as the default text interpreter every time MATLAB starts.

Note that in order to use LaTeX in MATLAB, you need to have a LaTeX distribution installed on your system and properly configured with MATLAB.