Irregularly gridded data# Plots of data 𝑍𝑥,𝑦 on unstructured grids , unstructured coordinate grids (𝑥,𝑦), and 2D functions 𝑓(𝑥,𝑦) =𝑧. tricontour(x, y, z) tricontour(x, y, z) tricontourf(x, y, z) tricontourf(x, y, z) tripcolor(x, y, z) tripcolor(x, y, z) triplot(x, y) triplot(x, y)