# Error Using Mldivide Matlab

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Nicholas Jankowski **Mar 27 22:06:49 2016, comment** #28:I think Carlo is on to something here. So IDX might be to large anyway. I increased the heap size to 256 GB in preferences, which is the max I can get it to, and I still get the out of memory error. One Account Your MATLAB Central account is tied to your MathWorks Account for easy access. http://smartphpstatistics.com/error-using/feval-matlab-example.html

As I understand, you get the Out of memory message when you run >> Idx = kmeans(S, 2); It means there is no contiguous space in the memory to allocate space Perhaps something like > > inv(A) = inv([ I ; A0 ]) = [ I , inv(A0) ] ==================== If you don't mind some numerical risks, you could resort to the Does that sound right? For lu, the motivating example for this bug report, if the input is Sparse we output a Permutation matrix. https://www.mathworks.com/matlabcentral/answers/120765-error-using-mldivide-out-of-memory

## Error Using Mldivide Out Of Memory

Furthermore, it might be important to mention that A = [ I ; A0 ] where A0 is a (3426 x 9303) matrix with a density of 0.0011. > > b If programmers want exact congruence with Matlab then they can pay for Matlab or disable Octave's special features. Group Main Main View members Search Homepage Download Mailing lists Source code Use Mercurial Browse Sources Repository Use CVS Browse Web Pages Repository Bugs Submit new Browse Reset to open Digest Or maybe something **I can do to allocate** more memory to MATLAB?

In this case, -P should only negate the non-zero elements of P. try also >> help memory it will show a few more tips Adv Reply December 4th, 2009 #3 lidengdeng View Profile View Forum Posts Private Message Just Give Me the The newsgroups are a worldwide forum that is open to everyone. The purpose of using a special class for permutation matrices is to exploit the benefits in terms of speed and memory efficiency that are available in this case.

Where are you doing a matrix left divide? Error Using Mldivide Matrix Dimensions Must Agree Getting the sign of zero to agree with Matlab is much less important, even if people then divide by it. I suppose if it was super important to preserve '-0' then we could add a signbit flag to Permutation and Diagonal matrices to record that fact as suggested by Lachlan. http://stackoverflow.com/questions/6119060/how-can-we-handle-large-matrices-in-matlablarger-than-10000x10000 For typical instructions, see: http://www.slyck.com/ng.php?page=2 Close × Select Your Country Choose your country to get translated content where available and see local events and offers.

sparsity check in mldivide 12. Your help will be much appreciated. To view your watch list, click on the "My Newsreader" link. So how to augment the memory size?

## Error Using Mldivide Matrix Dimensions Must Agree

A tag is like a keyword or category label associated with each thread. learn this here now Draine and P. Error Using Mldivide Out Of Memory Is there a place in academia for someone who compulsively solves every problem on their own? TH How to make files protected?

It's the only way to get alot of memory. http://smartphpstatistics.com/error-using/matlab-bar-graph.html It's weird that commands of "keep S" and "memory" are illegal in my platform. Nothing. But if I perform: x = A\b my 64bit 2x2.8 Ghz Quad-Core Intel Xeon (16 GB RAM) runs out of memory.

Tagging Messages can be tagged with a relevant label by any signed-in user. Lachlan Andrew

It is a highly optimized code: taking into account the type and sparsity of the inputs. At least when the input matrix is sparse, the output matrix P should also be sparse (or behave like a sparse matrix) for compatibility. You need to insert a dot before the first /.

## x = diag ([1 2]) x = Diagonal Matrix 1 0 0 2 That's okay, but now take the negation y = -x y = Diagonal Matrix -1 0 0 -2

In my view, sparse, permutation, and diagonal matrices are all closer to each other than they are to full matrices. How to mount a disk image from the command line? It seems like this is the case here. matlab large-data-volumes share|improve this question edited May 27 '11 at 13:25 asked May 25 '11 at 2:59 Abolfazl 1431415 2 use a 64 bit system with lots of RAM? –Mitch

That level of incompatibility is problematic. So, it will consume 3 times as much memory as if you stored it full. John W. this contact form The suggestions are always the same:Free memory that is not longer in use, see clearClose otehr programsInstall more RAMCheck for bugsCheck the sizes of the concerned variablesDo you really wanta =

Type HELP MEMORY for your options. Storage of these elements (with 8 bytes/complex number) would require 72(N/10^3 )2 Mbytes. Can not use mldivide by mexCallMATLAB 15. Error in ==> programname at 82 P=B\b; ============================================================================== Edit: 27.05.11 Name Size Bytes Class Attributes C 997x997 131209188 cell B 2991x2991 71568648 single complex Bdp 2991x2991 143137296 double complex Bsparse 2991x2991

Diagonal, Permutation, and Sparse matrices will all need to be reviewed after a path forward is chosen. No single entity “owns” the newsgroups. I think remains only the 3rd one. –Abolfazl May 25 '11 at 7:52 Edited in 27.05.11, with single precition the size of matrices reduced greatly. –Abolfazl May 27 '11 Click on the "Add this search to my watch list" link on the search results page.

I agree with rik that low level details like handling overflows and '-0' should be given lower priority. In mathematics, 0 is unsigned so 1 / -0 == Inf. The time now is 12:45 AM. United States Patents Trademarks Privacy Policy Preventing Piracy Terms of Use © 1994-2016 The MathWorks, Inc.