1-ma’ruza. Matritsalar va ular ustida amallar Reja

Mavzuga doir testlar
1.Kvadrat matritsa deb qanday matritsaga aytiladi?
A) satrlar soni ustunlar soniga teng bo’lsa
В) n ta satrga ega bo’lsa
D)m ta ustundan iborat bo’lsa
E) 2 ta satrdan iborat bo’lsa
2. Kvadrat matritsaning determinanti nima?
A) matritsaning mos elementlaridan tuzilgan determinant
В) matritsaning satrlardan tuzilgan determinant
D) matritsaning ustunlaridan tuzilgan determinant
E) matritsaning determinanti bo’lmaydi
3. Qanday matritsaga maxsus matritsa deyiladi?
A) matritsaning determinanti 0 ga teng bo’lsa
В) matritsaning determinanti 0 dan farqli bo’lsa
D) matritsaning determinanti mavjud bo’lmasa
E) matritsaning determinanti mavjud bo’lsa
4. Maxsusmas matritsa deb nimaga aytiladi?
A) matritsaning determinanti 0 dan farqli bo’lsa
В) matritsaning determinanti 0 ga teng bo’lsa
D) matritsaning determinanti mavjud bo’lsa
E) matritsaning determinanti mavjud bo’lmasa
5. Birlik matritsa deb nimaga aytiladi?
A) bosh diagonaldagi elementlar 1 lardan iborat bo’lib, boshqa
elementlari 0 lardan iborat bo’lgan matritsaga
В) hamma elementlari 1 lardan iborat matritsaga
D) hamma elementlari 0 lardan iborat matritsaga
E) determinanti 0 ga teng matritsaga
6. bo’lsa, 3 ni toping.
A) D)
В) E)
7. A= va B= matritsalarni ko’paytiring.
A) = В) ko’paytirish mumkin emas
D) = E)
8. Ustun va satr elementlari soni teng bo‘lgan matritsa

A) Kvadrat matritsa
B) Nol matritsa
D) Birlik matritsa
E) Diagonal matritsa

9. n=1 bo‘lgan matritsa

A) Ustun matritsa
B) Satr matritsa
D) Birlik matritsa
E)Kvadrat matritsa

10. Bir xil o‘lchamli matritsalarni mos elementlarining yig‘indisi

A) Matritsalarni qo‘shish
B) Matritslarni songa ko‘paytirish
D) Matritsalarni bir-biriga ko‘paytirish
E) Matritsalarni ayirish

1^ Mike Rosser. Basic Mathematics for Economists. - London and New York, Taylor & Francis Group, 2003 у

2^ Mike Rosser. Basic Mathematics for Economists. - London and New York, Taylor & Francis Group, 2003 у

3^ Mike Rosser. Basic Mathematics for Economists. - London and New York, Taylor & Francis Group, 2003 у

4^ Mike Rosser. Basic Mathematics for Economists. - London and New York, Taylor & Francis Group, 2003 у