[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： !%G]~  
Warning: in run: there was no simulation data. The simulation failed to run. 5?k5J\+  
Error:  Can not find result 'E' in the result provider 'field' JN0h3nZ_  
代码如下： Y@+Rb  
radius = 1e-6*[0.25,0.75]; xnY?<?J"!  
for (i=1:length(radius)) { '47 b"uV  
    setnamed("::model","radius",radius(i)); AHb_BgOU*  
    run; G]'ah1W  
    E = getresult("field","E"); +`HMl;0m  
    x = E.x; S}@7Z`  
    z = E.z; qVn<c,8#  
    Ex = E.Ex;
+` Md5.w  
    image(x*1e6,z*1e6,pinch(real(Ex)),"x (um)","z (um)","Real(Ex) - "+num2str(radius(i)*1e6)+" um"); AByl1)r|  
    switchtolayout; V.GM$  
}