举一反三
- If Vis a subspace of[img=22x19]1803b6a69db62a6.png[/img], then the coordinate vector of any vector in V relative to a basis also in[img=22x19]1803b6a69db62a6.png[/img].
- What is the number of basis functions in a minimal basis set for [img=33x22]1803bd5a4e6dc8a.png[/img]? A: 7 B: 8 C: 9 D: 10
- Which of the following statement is false? A: Ais an[img=49x19]1803b6abf33899a.png[/img]matrix.[img=66x23]1803b6abfb9f77f.png[/img]is a QR factorization ofA. The columns ofQform an orthonormal basis for the column space ofA. B: If A=QR, where Q has orthonormal columns, then[img=79x27]1803b6ac036f846.png[/img] C: Ahas a QR factorization, then A must be a square matrix. D: Any matrix can have a QR factorization. E: If a matrix A has a QR factorization, then the ranks of A and Q are the same.
- 10. BASIS: This was used as the basis. A: answer B: place to take a rest C: next step D: main part
- (6) What are basis of society?
内容
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Which of the following sets is a basis for[img=20x22]17de814512dc5c3.png[/img]. 未知类型：{'options': ['', '', '', ''], 'type': 102}
- 1
1803b6a65bf4114.pngis a basis for a vector space V. [s[img=81x51]1803b6a6653a4f6.png[/img]. Which one is the vector x? A: [img=42x51]1803b6a66d43e0e.png[/img] B: [img=28x51]1803b6a6750b972.png[/img] C: [img=28x51]1803b6a67d4b84f.png[/img] D: [img=42x51]1803b6a685bca75.png[/img]
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The volatile content of () is used as the classification basis for power coal. A: as received basis B: air drying basis C: dry basis D: dry and ash free basis
- 3
What is the total number of configurations (or determinants) that you can generate for a configuration interaction (CI) calculation on [img=20x22]1803bd5bda00fd0.png[/img] using a basis set that contains 10 basis functions? A: 45 B: 90 C: 120 D: 190
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The columns of the standard matrix for a linear transformation from [img=22x19]1803b6a8c19a71a.png[/img]to [img=25x19]1803b6a8c9f3863.png[/img] are the images of the columns of the [img=44x19]1803b6a8d3fc1b1.png[/img] indentity matrix.