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arnold


Last seen: 8 days ago
14 total contributions since 2013

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Question


change colormap of histogram2
Hi, I was looking for a way to change the colormap for histogram2 from parula to something else. Couldn't find it. x = randn(5...

1 year ago | 1 answer | 0

1

answer

Question


writing to an existing variable 9% slower than clearing + creating it again? Generating new one 10 times as fast!?
Hi, I know preallocation is primarily meant to save overhead and fragmentation which occurs when resizing a variable but I've s...

1 year ago | 0 answers | 0

0

answers

Question


Image analysis/filtering problem - remove "artifacts", known pattern, locally 'flat'
Hi, I have been trying to come up with a better solution for the quantitative analysis of electronic properties of wafers (phot...

1 year ago | 1 answer | 0

1

answer

Answered
How do you index an array inside an array of structures?
I've been looking for the same thing and have grown pretty frustrated with this having to create temporary variables or loops al...

1 year ago | 0

Question


nonlinear 2d calibration of line-camera using known pattern - how to align world coordinates to points?
*I rephrased the question, see last comment* -------------------------------------------- Hi all, I'm currently working...

4 years ago | 1 answer | 0

1

answer

Question


Fit - Nonlinear Regression - can this run faster? Python >20x faster?
Hi, I'm looking for a way to speed up fitting an exponential model to a stack of eleven double images. I've been at it for da...

5 years ago | 1 answer | 0

1

answer

Question


Save 'v7.3' apparently uses no compression - how to turn it on?
Hi, How do I switch on compression when using 'save -v7.3'? This morning I ran into a problem using 'save'. For the first tim...

6 years ago | 2 answers | 1

2

answers

Answered
Can't save workspace of 3 month calculation - URGENT
ehhh... why is any *.mat I save with '-v7.3' WAY bigger than without that option?

6 years ago | 0

Answered
Can't save workspace of 3 month calculation - URGENT
I found a solution. There were some variables which were of class 'java.awt'. I deleted them since they don't contain anything I...

6 years ago | 0

| accepted

Answered
Can't save workspace of 3 month calculation - URGENT
Thanks for your response, of course I usually save things more frequently, but the core code of this does not provide any pos...

6 years ago | 0

Question


Can't save workspace of 3 month calculation - URGENT
Hi, I did some scientific simulation on a university server which took more than 3 months. The result worked out great. I wan...

6 years ago | 7 answers | 1

7

answers

Question


imcontrast - how to return the level values?
Hi! I have been using imcontrast quite a bit over the years as it is a very handy tool for users to visibly adjust the ...

7 years ago | 2 answers | 0

2

answers

Question


read multiple images contained in a proprietary microscope file
Hi! I'd like to extract several images that are contained in an Olympus *.LEXT file. A HEX Editor quickly revealed, there ar...

7 years ago | 0 answers | 0

0

answers

Question


logarithmic axis when using area plots?!
Hi, I have plot containing two area plots: area(x1,y1); hold on area(x2,y2,'FaceColor','red'); axis auto; ...

7 years ago | 1 answer | 0

1

answer