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A=-19900; B=438600; C=0.0015; t=2; Io=0.2/(pi*(0.01)^2); z=0:0.000000001:0.000001; I=Io.*exp(-(A.*m+B).*z); m=exp(-C.*I.*t); plot(z,I); plot(z,m); »²»³öÀ´Ñ½Ñ½Ñ½£¬Çó´óÉñ |
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