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Anna Blakley


Active since 2016

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How do I transform one matrix by another?
I am trying to write a program where I apply a linear transformation represented by one matrix to each value in a different matr...

7 years ago | 1 answer | 0

1

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Question


How would I use rref to check to see if the columns of a matrix span all of R^n?
I'm trying to use matlab to do some linear algebra, but I'm very confused as to how to check if the columns of my matrix are in ...

7 years ago | 1 answer | 0

1

answer

Question


How would I check to see if the number of rows in one matrix are equal to the number of rows in another matrix?
I'm trying to write a function which will compare two matrices. Prior to this comparison I want my function to error check the e...

7 years ago | 2 answers | 0

2

answers

Question


How do I create a column vector of random numbers between -40 and 40, with "n" entries?
I know rand returns random values between 0 and 1 and randi returns random integers, but how do I create a column vector with ra...

7 years ago | 2 answers | 0

2

answers

Question


If I have an array that is size 2x60, how do I plot row 2 vs. row 1?
Would it be plot(data(2,:),data(1,:))?

7 years ago | 2 answers | 0

2

answers