摘要:
matlab中程序:>> x=[6,9,3,4,0;5,4,1,2,5;6,7,7,8,0;7,8,9,10,0]x = 6 9 3 4 0 5 4 1 2 5 6 7 7 8 0 7 8 9 10 0>> [Fx,Fy]=gradient(x)Fx = 3.0000 -1.5000 -2.5000 -1.5000 -4.0000 -1.0000 -2.0000 -1.0000 2.0000 3.0000 1.0000 0.5000 0.5000 -3.5000 -8.0000 1.0000 1.0000 1.0000 -4.5000-10.0000Fy = -1.00
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