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Jochen Schuettler


IAT, University of Bremen

Last seen: meer dan 2 jaar ago |  Active since 2011

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simple copy task much slower with high memory use, workaround possible?
Jan, you twice asked for a minimal code example. I offered to upload 15.2 GB or let you run my code for weeks. Now I wrote a sho...

bijna 4 jaar ago | 0

Answered
simple copy task much slower with high memory use, workaround possible?
Parcelling the larger equation into a a nested for loop, which is effectively called 48 times and uses 384 entries, worked to ma...

bijna 4 jaar ago | 0

Question


simple copy task much slower with high memory use, workaround possible?
All memory usage is as reported by the function "memory". I found that my algorithm is much slower after running for some time,...

bijna 4 jaar ago | 2 answers | 0

2

answers

Question


Why does an appended "abs"-block change earlier results?
I've got a Simulink model, simply a filtered step given as reference onto a control loop with PI control. There are Delays both ...

meer dan 8 jaar ago | 0 answers | 0

0

answers

Question


Why does ga change the 'Vectorized'-option to 'on' by itself?
My ga optimizer problem always produces an error after some generations. The error is caused by calling my fitness function vect...

meer dan 8 jaar ago | 2 answers | 0

2

answers

Answered
why does (ga + parallel + global variables + sub2ind) fail?
Thanks to everyone!

meer dan 8 jaar ago | 0

Question


why does (ga + parallel + global variables + sub2ind) fail?
When optimizing with ga and parallel computing, a sub2ind call using globals fails (subscript vectors must be of same size), but...

meer dan 8 jaar ago | 3 answers | 0

3

answers

Answered
Current folder is wrong after starting from command line. Why? How to fix it?
The startup.m was the problem - and also the reason why some very old folders kept reappearing in the path. Thank you!

meer dan 11 jaar ago | 0

Question


Current folder is wrong after starting from command line. Why? How to fix it?
Matlab has a nifty feature: When started from (Windows) command line, it takes the current directory from there. With my install...

meer dan 11 jaar ago | 2 answers | 0

2

answers

Question


fmincon: Is it possible to set a bound for feval?
I have a problem that I run into local minima early on. This will happen all over search space. I don't know more meaningful bou...

bijna 12 jaar ago | 1 answer | 0

1

answer

Answered
empty sparse matrix with size greater than (100000,100000) needs overhead space
Obviously this does not help, as the matrix is empty already, it needs that much space just for existing (I tried). I also tr...

bijna 13 jaar ago | 0

Answered
empty sparse matrix with size greater than (100000,100000) needs overhead space
Sadly I started with your given solution, but then I get __Sparse matrix sizes must be non-negative integers less than MAXSIZ...

bijna 13 jaar ago | 0

Question


empty sparse matrix with size greater than (100000,100000) needs overhead space
For an industry project we want to set up a lookup-table from many (15) inputs to one output. The input values can be only in a ...

bijna 13 jaar ago | 6 answers | 1

6

answers

Answered
PCS 7 / D7SYS -> Simulink
I think it should be easy if both describe their blocks, ports and lines in an ASCII file. Of course you need to identify corre...

meer dan 13 jaar ago | 0

Question


PCS 7 / D7SYS -> Simulink
Hello, as a student work and for a project partner we'd like to copy their partial power plant model into simulink. The existin...

meer dan 13 jaar ago | 2 answers | 0

2

answers