[求助]请问下面这段代码中setnamed命令中的几个分别代表什么意思啊？ [复制链接]

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请问大家下面这段代码中setnamed命令中的几个分别代表什么意思啊？脚本运行的时候发现半径为0.25μm时可以正常运行，但为0.75μm的时候出现一个错误： :u>W&D  
Warning: in run: there was no simulation data. The simulation failed to run. G
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Error:  Can not find result 'E' in the result provider 'field' B^
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代码如下： j<l#qho{h  
radius = 1e-6*[0.25,0.75];
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for (i=1:length(radius)) { hi;WFyJTu  
    setnamed("::model","radius",radius(i)); yfSiByU  
    run; TnN^2:cU  
    E = getresult("field","E"); $kxu;I
 
    x = E.x; }yx=(+jP  
    z = E.z; xHEVR!&c4  
    Ex = E.Ex; ]PR|d\O  
    image(x*1e6,z*1e6,pinch(real(Ex)),"x (um)","z (um)","Real(Ex) - "+num2str(radius(i)*1e6)+" um"); `"xk,fVYd  
    switchtolayout; O%YjWb  
}