How can I improve the efficiency of standard matrix multiplication algorithm? The main operation involved in this approach is:C[i][j]+=A[i][p]*B[p][j]
I am trying to create a 256*256 matrix in R. Simple task I thought... If I create the data such that
Is there a matlab function which allows me to do the following operation? x = [1 2 2 3]; and then based on x I want to build the ma开发者_C百科trix m = [1 2 2 3; 1 2 2 3; 1 2 2 3; 1 2 2 3]You are lo
I have a question about saving a dataframe with unequal lengths. Is there way to save table with variable lengths without introducing NA\'s or something? Here is an example with NA\'s but that is not
When doing matrix operations, I would like to be able to see what the results of my calculations are, at least to get a rough idea of the nature of the matrices going in and coming out of the operatio
Can any body suggest a function to plot heat map for upper or lower triangular matrix开发者_JS百科 in R The most basic way to do something like this would be using ?image as follows:
I need to convert a column in 2 matrices to the same datatype so that I can run ismember.One column is in matrix开发者_如何学运维 [] format and the other is in string format i.e. we need to match [200
I created a float point matrix on the GPU of size (p7P_NXSTATES)x(p7P_NXTRANS) like so: // Special Transitions
Inspired by Mike Bantegui\'s question on constructing a matrix defined as a recurrence relation, I wonder if there is any general guidance that could be given on setting up large block matrices in the
Let\'s do some Text Mining Here I stand with a document term matrix (from the tm Package) dtm <- TermDocumentMatrix(