|The PLplot Plotting Library: Programmer's Reference Manual|
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Allocates a block of memory for use as a 2-d grid of type
PLFLT. The grid is a vectored 2-d C-style array and so can be accessed
using syntax like *f[i][j]. The memory associated
with the grid must be freed by
plFree2dGrid once it is no longer required.
This function is currently available in C, C++, perl and tk.
This function is used in examples 8, 9, 11, 14, 16, 20, 21, 22, 28, 30.