matritsalar

1-amaliy mashg’ulot 1-amaliy mashg`ulot matritsalar. asosiy tushuncha va ta’riflar. matritsalar ustida amallar. teskari matritsa. auditoriyada yechiladigan misollar. 1. a va b matrisalarning yig`indisini hisoblang. yechish. 2. agar bo`lsa, ni hisoblang. yechish. = berilgan matritsalarni ko`paytiring: 1) 2) , berilgan matritsaga teskari matritsani toping: 1) 2) 3) 4) uyga beriladigan topshiriqlar. berilgan matritsalarni ko`paytiring: 1) 2) , berilgan matritsaga teskari matritsani toping: 1) 2) 3) misol. matritsaga teskari matritsa topilsin. yechish. bu holda (= va ; ; ; ; ; ; ; ; . demak, . . quyidagi a va b matritsalarning yig’indisini hamda ab va ba matritsalarni hisoblang 1. a= b= 2. a= b= 3. a= b= 4. a= b= 5. , bo‘lsa, ni hisoblang. 6. ni hisoblang. 7. ni …

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