M·C, IST: graph bivariate

Graphing a bivariate function

Graphs (as a grid) a bivariate function.

2025.Feb.19 21:19:22

x_low, x_upp

Limits for x.

y_low, y_upp

Limits for y. •

n_x, n_y

Number of x and y grid points. •

npar, P

Function parameters. •

Show values ?

Shows the graph points.

Graphs a bivariate function, as a grid (or mesh), via 'gnuplot' splot. The variables are varying in the limits given, in a grid.

The function is z = a arctan(b + x²) + c (x² + y²). P = (a, b, c).

References:

Plate: Graphmult

• 1861-06-10: Duhem, Pierre Maurice Marie (1916-09-14).