Question

How to construct matrix for values have index?
I'm trying to construct a matrix H as the following pic. How can we write alpha _(-k,k) to get for example alpha _(0,0) or alpha...

5 years ago | 1 answer | 0

Question

How to fix the error (Index exceeds matrix dimensions)?
could you please check my code. I got the following error Index exceeds matrix dimensionshow . Error in NnNonSymmetricLancz...

5 years ago | 1 answer | 0

Question

How can we create a vector of length n
Hello, How can we write in Matlab vector u= [1/10 ,1/10 ,..., 1/10] where u \in{R}^{200}

5 years ago | 1 answer | 0

Question

how to open .mat file in matlab?
Hello, I am tring to open Yeast.mat in matlab , but it does not work. I got an error (Not enough input arguments.Error in imp...

5 years ago | 2 answers | 0

Question

How can we create two vectors have normally distributed random entries with zero mean?
How can we create two vectors have normally distributed random entries with zero mean , and they are scaled so that in Matla...

5 years ago | 2 answers | 0

Question

how can we collect the result in one matrix ?
Hello, How can we collcet the (j+1) vectors I found in one matrix? for j=1:m . . v(:,j+1)= A/B end

5 years ago | 0 answers | 0

Question

how to compute orthonormal vectors via Lanczos process?
Hello, How to initialize vector in Matlab? could you please check what I did ( I want to start with V_0=0 , beta (0)=0 , V(:,1...

5 years ago | 1 answer | 0