About scattered nodes in two-dimensional differential fitting with
Why old mesh function error,

CodePudding user response:

1 and line 10 write wrong, should be the same as matrix,
2, line 10 should write: yi=ymm (1) : ymm (2);

CodePudding user response:

Drawing statements don't written in the same position, the figure is in front of the covered, proposal writing can retain the previous figure,
Subplot (1, 2, 1), the plot (x, y, '*');
Subplot (1,2,2), mesh (xi, yi, zi);