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Erick Oberstar


Last seen: 6 days ago |  Active since 2014

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Professional Interests: Image Processing, Signal Processing, Controls

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Answered
Bode Plot Display All Stability Margins
As of Matlab 2020b I can verify this works for both nyqistplot and bodeplot functions Ts= 0.01 n = [0 0.3680 0.2640]; d = [1....

2 years ago | 0

Answered
How can you turn on 'All Stability Margins' when using the 'bode' function via script?
As of Matlab 2020b I can verify this works for both nyqistplot and bodeplot functions Ts= 0.01 n = [0 0.3680 0.2640]; d = [...

2 years ago | 1

Answered
What have I suppose to do ? While installing B&R on Matlab I get this : Automation Studio TArget For Simulink: Matlab Abort - b&r Automation Studio Target for Simulink can not register. please reinstall target
I was getting the same error - I turns out I hadn't installed a supported compiler yet. I thought I had matlab install the MinGW...

2 years ago | 1

Answered
Linewidth for function step?
This technique works for step, impulse, nyquist, and bode plots LineWidth = 3; s = tf(s) sys = 1/(s+1) figure; step/impulse/...

3 years ago | 5

Question


Indexing question for member variables of opticalFlow collected into an MxN cell array
I am attempting to find the maximum value over alll member variables (PxQ) for a multidimensional set of MxN opticalFlow system ...

4 years ago | 1 answer | 0

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answer

Question


Issue Saving image with text overlay to png
I am having issues saving an image that has been displayed in a figure, with a couple markers plotted at specific coordinates an...

5 years ago | 2 answers | 0

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answers

Answered
Strange results with xcorr
XCORR wants zero mean inputs - remove the DC offset and I suspect your results will be more inline with what you expect. You ma...

5 years ago | 2

Question


Confusion on image guided filter behavior with odd versus even neighborhood sizes with same 'DegreeofSmoothing'
Why does the image guided filter implemented in Matlab 2014 and newer seem to have a nonlinear filtration affect in edge regions...

8 years ago | 0 answers | 0

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Submitted


Floating Point to Fixed Point & Fixed Point to Floating Point Conversion Utilities
Convert numbers to/from fixed point/floating point automatically or under user specification.

8 years ago | 3 downloads |

Answered
How do I check if a file on a website exists?
you can use urlread also [str,status] = urlread('http://www.mywebsite.com/images/1.png'); if status IMG = imre...

8 years ago | 0

Answered
Modelling of Robot contact with object
I'm working on a compliant contact problem similar to this and the models outlined here may provide some insight. http://www.ara...

10 years ago | 0

Answered
Why does dicomread crash when reading certain DICOM CT Images?
Scott, I have the same issue - but it cropped up when writing a utility to compress dicoms that contain fluoroscopic time ser...

10 years ago | 0