What is wrong with my simple matlab code - 


  (एक्स ^ 2) (1,2)   
  एक्स  एक वर्ग मैट्रिक्स है, मैं सिर्फ तत्व  (1,2)  से  (एक्स ^ 2)  स्थिति से इसे प्राप्त करना चाहता हूं ?   
 
 
 इस मामले में इंडेक्सिंग की अनुमति नहीं है। सबसे सरल समाधान  getfield   
  एक्स = जादू (5) एक्स = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22 10 12 19 उपयोग करने के लिए है 21 3 11 18 25 2 9 & gt; & gt; मिलती है (एक्स ^ 2, {1,3}) ans = 725

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