clcclearx =[ 1200 1600 2000 2400 2800 3200 3600 4000]Y =[ 1200 1600 2400 2800 3200 3600][X，Y]=meshgrid(x， y) Z =[... 1 130 1250 1280 1230 1040 900 500 700 6543 8+0320 1420 1420 1400 / Kloc-0/300 700 900 850 6550 zi = interp2 (x, y, z, yi,' spline'); For the graphs of plot (2, 1, 2) surfc (,yi, zi) colorbaxlabel ('x') and ylabel ('y'), see:/chemical% 5fingering/album/item/64475dedf3c4630248540365434.