The PLplot Plotting Library: Programmer's Reference Manual
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### `plsym`: Plots a symbol at the specified points

`plsym` (n, x, y, code);

Marks out a set of ``n`` points at positions `(`x`[i], `y`[i])`, using the symbol defined by ``code``. The code is interpreted as an index in the Hershey font tables.

`n` (`PLINT`, input) Number of points to be marked. `x` (`PLFLT *`, input) Pointer to array with set of x coordinate values for the points. `y` (`PLFLT *`, input) Pointer to array with set of y coordinate values for the points. `code` (`PLINT`, input) Code number for the symbol to be plotted.

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`plsyax`: Set y axis parameters | Up | `plszax`: Set z axis parameters