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Nitish Reddy Kotkur


10 total contributions since 2019

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Question


how to avoid floating point error and figure out a way to break out of this loop such that it generates correct answer
function [] = lanczos(A, m) this is a function whick takes A as input which is a matrix and reduces it to smaller size. And i ...

29 days ago | 1 answer | 0

1

answer

Question


creating a matrix in matlab using a text file
type output.txt; A = readmatrix('output.txt'); A This is the output.txt file [[1 2 2 0 0] [2 1 0 0 2] [2 0 1 2 0] [0 0...

1 month ago | 1 answer | 0

1

answer

Question


read a matrix from a text file
im trying to read a text file containing matrix A = readmatrix('output1.txt','Whitespace',' []'); when i execute it its displ...

1 month ago | 2 answers | 0

2

answers

Question


how can i give output of a python file as input to a matlab matrix
function [] = lanczos(A, m) this is a function i'm using in matlab. the parameter 'A' is matrix and i want to give input to A f...

1 month ago | 1 answer | 0

1

answer

Question


Assign a part of file name to a variable
myfolderinfo = dir('some_random_folder') ; N = length(myfolderinfo) ; for i = 3:N thisfile = myfolderinfo(i).name so...

1 month ago | 1 answer | 0

1

answer

Question


iterate through multiple files in a folder
function [] = lanczos(A, m) A = readmatrix('output1.txt','Whitespace',' []'); here A reads a single text file. But i wanted ...

1 month ago | 1 answer | 0

1

answer

Question


reading large text files into matrix
im trying to read a text file containing matrix A = readmatrix('output1.txt','Whitespace',' []'); when i execute it its displ...

1 month ago | 1 answer | 0

1

answer

Question


iterate through text files and read them as a matrix
myfolderinfo=dir('dense_gnm_random_graph');%dense_gnm_random_graph is the folder which contains text files N=length(myfolderinf...

1 month ago | 1 answer | 0

1

answer

Question


generate unit vectors based on matrix size
function [] = lanczos(A, m) A = readmatrix('output1.txt','Whitespace',' []'); [n,k] = size(A); V = zeros(k,k); %V(:,2) = ran...

1 month ago | 1 answer | 0

1

answer

Question


how to break from the following for loop when beta( J+1) become zero
for j=2:inf w = A*V(:,j) - beta(j)*V(:,j-1); alpha(j) = w'*V(:,j); w = w - alpha(j)*V(:,j); beta(j+1) = norm...

2 months ago | 1 answer | 0

1

answer