EFFECTIVE FEEDBACK TO THE INSTRUCTOR FROM ONLINE HOMEWORK
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منابع مشابه
CDS 212 - Solutions to Homework # 1 Instructor
Problem 1 (a) Recall that the null space and the range of a matrix A ∈ C m×n are defined as: N (A) = {x ∈ C n |Ax = 0} R(A) = {y ∈ C m |y = Ax, for some x ∈ C n } Note that N (A) is a subspace of C n since it contains 0 ∈ C n (A0 = 0) and is closed under addition and scalar multiplication: x 1 , x 2 ∈ N (A) ⇒ Ax 1 = 0 and Ax 2 = 0 ⇒ Ax 1 + Ax 2 = 0 ⇒ A(x 1 + x 2) = 0 ⇒ x 1 + x 2 ∈ N (A) x ∈ N (...
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Figure 1: This is the example, illustrating the proof above. The black matching is M and the orange matching is M ′. The lists beside m,w shows their preference list. We know that m prefers his match in the black matching, w, to his match in the orange matching, w′. For purposes of contradiction, we assumed that w prefers m to m′. As you can see, this implies that the pair (m,w) is an instabili...
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Formative feedback has great potential for teaching and learning in online undergraduate programmes. There is a large number of courses where the main source of feedback is provided by the instructor. This is particularly seen in subjects where assessments are designed based on specific activities which are the same for all students, and where the assessment is performed by the instructor, not ...
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ژورنال
عنوان ژورنال: Online Learning
سال: 2019
ISSN: 2472-5730,2472-5749
DOI: 10.24059/olj.v9i2.1794