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Problem Set 2 -1st question, 4th bullet #9

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akhileshgotmare opened this issue Oct 6, 2016 · 2 comments
Closed

Problem Set 2 -1st question, 4th bullet #9

akhileshgotmare opened this issue Oct 6, 2016 · 2 comments

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@akhileshgotmare
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akhileshgotmare commented Oct 6, 2016 •
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This refers to Problem Set 2, Exercise 1
In the question - 'What would X32 represent?' I think it should be X_(31) instead of X_(32). X_32 would not be a matrix element as per the notations used in the exercise.
@Saipraneet
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Saipraneet commented Sep 19, 2017 •
edited

X_(ij) usually represents the element in the ith row and the jth column in matrix notation. So in this particular question, X_(32) = x_(31). This perhaps should be made more explicit in the question.

@Saipraneet Saipraneet changed the title Exercise 1, 4th bullet Problem Set 2; 1st question; 4th bullet Sep 19, 2017
@Saipraneet
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I am going to close this issue. Feel free to open and add comments if there are additional clarifications.

@Saipraneet Saipraneet changed the title Problem Set 2; 1st question; 4th bullet Problem Set 2 -1st question, 4th bullet Sep 19, 2017
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@Saipraneet @akhileshgotmare