matlab

1 (x + e ) sin y + 5 4. Use mesh and surf to draw function z = The value 1 + x + y 2 range of x and y is: x=(-23,21 ), y=[-2 1,21). (1) use the meshgrid function to generate sampling points. (2)In the mesh graphic: add graphic title 'mesh drawing'; control the scale range of the coordinate axis( x=(-7,7], y=[-7,7], z=(-450,400]). - (3)In the surf graphic: mark the x, y and z axis as 'x coordinate', 'y coordinate and z coordinate'; add text annotation surf drawing' at coordinates [3,0,350], the font size should be set to 16