How to make Surf Plot

I got a following answer for two variables problem having x1 and x2 and function evaluation for the population size of 10. How to do surf plot for the same

POP =

1.0e-06 *

0.0010 0.8456

FEVAL =

1.0e-11 *

0.1430

[Walter Roberson]

That looks to me like the result of an optimization function in two variables.

Answer 1

[Walter Roberson]

xmin = 0; xmax = 1e-8;     %adjust as appropriate
ymin = 0; ymax = 2e-11;    %adjust as appropriate
fsurf(@NameOfFunction, [xmin, xmax, ymin, ymax])