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Test-Lidia
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This is the LU descomposition of a matrix A.<br /><br /><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#L«/mi»«mo»§nbsp;«/mo»«mo»,«/mo»«mo»§nbsp;«/mo»«mi»#U«/mi»«/math»</span><br />Apply the LU system to solve the linear system <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»Ax«/mi»«mo»=«/mo»«mi»b«/mi»«/math»</span>, where <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»b«/mi»«mo»=«/mo»«mi»#b«/mi»«/math»</span>.<br />Then, give the intermediate vector solution (<span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«/math»</span>) and the final vector solution (<span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«/math»</span>) separated by a comma, in this order and with their names. Like this: y=ysolution, x=xsolution<br />
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You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
Answer 1
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Answer 2
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
The final solution (<span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«/math»</span>) is missing.
Answer 3
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
The intermediate solution (<span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»y«/mi»«/math»</span>) is missing.
Answer 4
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
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Hint 2
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Created / last saved
Created
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Admin User
on
Thursday, 10 December 2015, 10:53 AM
Last saved
by
Admin User
on
Thursday, 10 December 2015, 10:53 AM
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