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Matthias


23 total contributions since 2008

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Responded


Re: Unexpected behavior of legend's ItemHitFcn-callback
The Matlab support team has had identified this bug already. They provided me a single updated function file, which solved the p...

1 month ago | 215 views

Posted


Unexpected behavior of legend's ItemHitFcn-callback
Hello, I have a small piece of code here, in which I use the ItemHitFcn-callback. By clicking on the legend entry I want to tur...

1 month ago | 215 views

Responded


Re: unwanted transparent background when using 'text'
Fine. And I figured out, that the problem only occurs when I set the 'EdgeColor'-property. I will report this bug. Best regards...

1 month ago | 422 views

Responded


Re: unwanted transparent background when using 'text'
OK, I see that may latest example was not correct. I've a new one. And I found out that my problem has something to do with the ...

1 month ago | 422 views

Responded


Re: unwanted transparent background when using 'text'
Thank you, Bruno. OK, your code works for me as well. So it is not a general problem with 'text'. Could you please check this c...

1 month ago | 422 views

Posted


unwanted transparent background when using 'text'
Hello, in Matlab R2016b I have a problem with the function 'text': Though I've set my background color the background right beh...

1 month ago | 422 views

Responded


Re: FFT modeling and iFFT extrapolation
Hello, you should keep in mind that a discrete Fourier analysis assumes that your signal is periodic with a period correspondin...

2 months ago | 592 views

Responded


Re: fmincon: final result is worse than initial guess
I think I have some new (but minor) insights: The problem only occurs, when the first iteration step brings me in the infeasibl...

2 months ago | 670 views

Responded


Re: fmincon: final result is worse than initial guess
Hello Bruno why shouldn't I do this? It's a smooth least squares problem With the constraints I've to ensure that a certai...

2 months ago | 670 views

Responded


Re: fmincon: final result is worse than initial guess
Thank you Alan for trying to help me. I know constrained optimization is tricky, but what you say means we have a major bug (!...

3 months ago | 670 views

Posted


fmincon: final result is worse than initial guess
Hello, I'm using fmincon with nonlinear constraints and the sqp algorithm (but also tried interior-point). I always start the o...

3 months ago | 670 views

Answered
How do I specify the size of the markers created by the SCATTER plot in units proportional to the data being plotted in MATLAB 7.6 (R2008a)?
Hello, I think there's still a minor bug in the answer offered by the support team. In my case I set the axis style to 'equa...

10 months ago | 0

Posted


Parallel plotting?
Hello, I'm doing some lengthy least-squares optimizations. Usually I'm looking at the residuals at each iteration (or at least ...

11 months ago | 529 views

Responded


Re: Matrix + Vector. Different behaviour on different installations
Thank you Bruno for offering bsxops! In 99% I'm working with the mentioned Windows 7 computer, on which bsxops actually is inst...

1 year ago | 1104 views

Responded


Re: Matrix + Vector. Different behaviour on different installations
Strange. I did some test on all of my installations Windows 7 64bit, Matlab version (2010b-2015a) 32bit and 64bit -> working W...

1 year ago | 1104 views

Posted


Matrix + Vector. Different behaviour on different installations
Hello, I've Matlab 2015a installed on two different computers (Windows 8.1 32bit, Windows 7 64bit). When entering e.g. [1,2,3;4...

1 year ago | 1104 views

Responded


Re: List all functions on search path?
This is probably the best solution. Thanks Matthias

1 year ago | 1389 views

Responded


Re: List all functions on search path?
OK dpb, I've submitted an enhancement request to implement wildcard ability for the "which" function. Since there are no other...

1 year ago | 1389 views

Posted


List all functions on search path?
Hello, I want to check if certain functions (Matlab-filenames) are currently known to Matlab. "Which" can do the job, but it ca...

1 year ago | 1389 views

Responded


Re: Bug in lscov?
Thanks Bruno, you are right, and now I found the mistake in my code. Originally I used x=pinv(A.*w)*(b.*w) to find the best fit...

2 years ago | 1170 views

Posted


Bug in lscov?
I think I found a bug in lscov, which is relevant when using weights. In the description of lscov one can find: "x = lscov(A,b,...

2 years ago | 1170 views

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5 years ago

Posted


consolidator, unique - question
Hello, I'm using the "consolidator" function by John D'Errico (see file-exchange). I'm wondering about some strange results, wh...

8 years ago | 1100 views