In order to have a decent chance of getting $\LaTeX$ converted into native *Mathematica* box expressions for display, you have to obey some rather restrictive rules. For example, you have to escape backslashes, so you must use `"\\sum"`

instead of `"\sum"`

.

With these preliminaries, here is a small function that can be used to programmatically inset $\LaTeX$ math equations - but only the part inside a math environment such as the one delimited by `$`

.

```
displayLaTeX[string_] :=
DisplayForm[ToBoxes@
TraditionalForm@ToExpression[string, TeXForm, HoldForm]]
```

Here I apply this function to get the output you want:

```
TimelinePlot[{DateObject[{2016, 3, 6}] ->
Row[{"Start ", displayLaTeX["\\sum_{i=0}^{10} f(x_i)"]}],
Interval[{DateObject[{2015, 6, 1}], DateObject[{2016, 2, 29}]}] ->
"End ", {Interval[{DateObject[{2015, 1, 15}],
DateObject[{2015, 9, 9}]}], DateObject[{2016, 7, 31}],
Interval[{DateObject[{2016, 7, 27}], DateObject[{2016, 8, 6}]}]}},
AxesOrigin -> Center, PlotTheme -> "Classic"]
```

Here, I chose a `PlotTheme`

that corresponds to the classic $\LaTeX$ typeset look. Otherwise, the `TraditionalForm`

output that I chose to mimic $\LaTeX$ will have a more "modern" look. If you're using a version below 9, then you don't need the `PlotTheme`

option.

I'm using `ToExpression`

to translate to the built-in box language. The advantage is that your labels can be styled and scaled arbitrarily. Ultimately, however, it's best to learn how to typeset such labels in *Mathematica* directly, not using $\LaTeX$ syntax. The reason is that there are limitations to the translation from $\LaTeX$, see for example the list of rules I collected here.

2

Take a look at Szabolcs MaTeX package, which he wrote to be able to include LaTeX snippets in

– MarcoB – 2016-02-28T04:03:02.533Mathematicacode.