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Martin Ryba


BAE Systems

Last seen: 3 months ago |  Active since 2021

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Professional Interests: GPS

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Question


Loading NEXRAD Level II data files?
There is one tutorial example where they took NEXRAD data and saved it as a mat file; and there's something the Web Mapping Tool...

3 months ago | 0 answers | 0

0

answers

Question


inputParser not supported by MATLAB Coder
I started to get into the habit of using inputParser to manage construction options to MATLAB classes I create. It just seems li...

4 months ago | 1 answer | 0

1

answer

Question


Interpolating Phased Array Toolbox patterns
I have an antenna modeled in Phased Array Toolbox, and after updating its steering I'm using the pattern() function to store the...

7 months ago | 2 answers | 0

2

answers

Question


Open Simulink DMR file from prior session
Hello, I was running a long simulation (24+ hours), and of course we had a power shutdown and things went boop. Is there any way...

1 year ago | 1 answer | 0

1

answer

Question


Multiple Simulink runs only changing signal vector
I'm much more practiced at MATLAB than Simulink, but this problem has stumped me on a few models. I do signal processing and am ...

1 year ago | 2 answers | 0

2

answers

Question


Function for sanitizing field name strings
We have a file parser function (Midas BLUE) that generates structure arrays for some of the keyword/value pairs that can occur. ...

1 year ago | 1 answer | 0

1

answer

Question


Simulink HDL Coder equivalent to attribute synthesis off?
I have a DSP-heavy block that I've created targeting a Xilinx FPGA core. Embedded within a submodule are some debug/visualizatio...

1 year ago | 1 answer | 0

1

answer

Question


dsp.FIRRateConverter doesn't handle large ratios?
I have some long data vectors that need to be resampled at a (precise) ratio of 576/625 (going from 8.3333 Msps to 7.68 Msps). T...

1 year ago | 1 answer | 0

1

answer

Question


Template function for invoking System Object MATLAB Coder
I'd like to make a C++ library object pretty much straight from an existing DSP System Toolbox object (specifically dsp.FIRDecim...

1 year ago | 1 answer | 0

1

answer

Question


Nonstandard input date format into readstruct function?
I have some XML files from another system and I want to be able to process the data therein. The readstruct function mostly fits...

2 years ago | 2 answers | 0

2

answers

Question


Parameter covariance from lsqnonlin when using Jacobian Multiply function?
Hi, I'm trying to estimate the uncertainty in my model parameters for a large NLSQ problem (~2M measurements, ~10k unknowns), so...

2 years ago | 3 answers | 1

3

answers

Question


Why isn't angle2dcm compatible with codegen?
Was working up some beamforming code for code generation, and my initial stab at using angle2dcm for creating the DCMs (for rota...

2 years ago | 1 answer | 0

1

answer

Answered
imagesc or equivalent with datetime as x axis.
See the wonderful dynamicDateTicks function. I just tried it and it's marvelous!

2 years ago | 0

Answered
How do you make the x-axis in imagesc using datetime values?
See the wonderful dynamicDateTicks function. Just tried it and it is marvelous!

2 years ago | 0

Question


Move from parfor to parfeval?
I have a large simulation that uses a LSF cluster that supports Parallel Toolbox. Right now, the meat of the effort is in a parf...

3 years ago | 1 answer | 0

1

answer

Question


Fastest large SVD computation in multithreaded machine?
I have a waveform optimization problem that uses a large SVD in an interative loop. For instance, with my current settings, the ...

3 years ago | 1 answer | 0

1

answer

Answered
Parfor with Iterations Having Unequal Execution Times
Hi I've noticed similar behavior all the way to r2020a. I have a big parfor loop where the execution time of each step is on the...

3 years ago | 0