Latex Interpreter Not Producing Expected Results

Greetings,

I am working on an app which has a plot for which the axis labels need to change depending on several user selections including a change of unit systems. To accomplish this I was simply appending a unit string onto a label and it seems to have worked fine for my y-axis. However, the x-axis seems to not play by the same rules. I assume that I have some kind of syntax error, but I have no idea what or where and would appreciate a second set of eyes. Here is an excerpt of the code which produces my axis labels:

% define unit appendage

if strcmp(app.UnitSystemDropDown.Value,'US - US Customary Units')==1

y2unit='[inWC]';

x2unit='[g/ft^{2}]';

else

y2unit='[mbar]';

x2unit='[g/m^{2}]';

end

% define y axis label

if strcmp(app.YAxisTypePressureDropDropDown.Value,'Pressure Drop')==1

y2label=['Pressure Drop, $\Delta p$ ',y2unit];

else

y2label=['Pressure Drop Increase, $\Delta p_{rise}$ ',y2unit];

end

% define x axis label

if strcmp(app.XAxisTypeDustDropDown.Value,'Total Encounter')==1

x2label='Total Dust Encounter, $m_{tot}$ [g]';

elseif strcmp(app.XAxisTypeDustDropDown.Value,'Filter Capacity')==1

x2label='Filter Capacity, $m_{cap}$ [g]';

elseif strcmp(app.XAxisTypeDustDropDown.Value,'Normalized Encounter')==1

x2label=['Normalized Encounter, $\bar m_{tot}$ ',x2unit];

else % normalized capacity

x2label=['Normalized Capacity, $\bar m_{cap}$ ',x2unit];

end

% set labels

app.DLoadPlot.XLabel.String=x2label;

app.DLoadPlot.YLabel.String=y2label;

app.DLoadPlot.XLabel.Interpreter='latex';

app.DLoadPlot.YLabel.Interpreter='latex';

This produces the following set of axis labels in my window. As you can see, the normalized encounter and normalized capacity strings aren't doing what I hoped.

Answer 1

[Cris LaPierre]

The problem is that x2unit contains symbols that have meaning in LaTeX markup in MATLAB. Consider including your unit inside the LaTeX '$'. BTW, the '\ ' adds a space between mbar and unit.

x2unit='[g/ft^2]';
x2label=['Normalized Encounter, $\bar m_{tot} \ ',x2unit,'$'];
xlabel(x2label,'Interpreter','latex')

[Matt Brown]

Awesome, thanks! I knew it was something I was missing on syntax. I appreciate the tip on \ as well.