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David Koenig


Corning Inc. (Retired)

Attivo dal 2011

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Retired process analyst from Corning, Inc.
Professional Interests: Analysis of Vibrations and Sound

Statistica

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Is there a toolbox for statistical energy analysis?
Thanks!

oltre 10 anni fa | 0

Domanda


Is there a toolbox for statistical energy analysis?
I just recently became aware of a project using statistical energy analysis (SEA)to help design an improved piano soundboard. It...

oltre 10 anni fa | 1 risposta | 0

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Domanda


Why does plotting nans in 3D cause problems with time and ability to save the plot?
The following script illustrates my problem - when iFloorRem=0 there is no problem with running the script and when it is finish...

quasi 11 anni fa | 0 risposte | 0

0

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Domanda


Is mp3write missing from R2013B and R2013a?
Today I attempted use mp3write for the first time since downloading R2013a and R2013b and found that it is not there. Even the h...

quasi 11 anni fa | 1 risposta | 0

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Domanda


Is there automatic gain in audiorecorder or soundsc?
I am collecting data using audiorecorder and playing it using soundsc. I collect for a fixed time - 10 seconds. I collect the re...

quasi 11 anni fa | 0 risposte | 0

0

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Domanda


What package do I need to interface with a Roland Duo-Capture EX USB Audio Interface
Hello, I am purchasing a Roland Duo-Capture EX USB audio interface to be used to collect music sound waves. It comes bundled ...

quasi 11 anni fa | 0 risposte | 0

0

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Domanda


How do I remove background noise from a sound wave?
I have a sound wave y(1:441000) gathered using a microphone and I have background n(1:441000) also gathered by the microphone. I...

circa 11 anni fa | 4 risposte | 0

4

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Domanda


How to positon the command window?
In response to a question, the following script was presented as an answer: desktop = com.mathworks.mde.desk.MLDesktop.getI...

circa 11 anni fa | 0 risposte | 0

0

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Domanda


How to Import Matlab Figures?
I would like to bring a *.fig into a script and perhaps do some additional things to it, as in adding a text statement. I have ...

circa 11 anni fa | 1 risposta | 0

1

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Domanda


What tablets are capable of downloading and running Matlab? Thanks.
I have laptops and an ACER Aspire One which are running Matlab. What tablets are capable of downloading and running Matlab. (The...

circa 11 anni fa | 1 risposta | 0

1

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Domanda


Numerical Integration of Equally Spaced Data
I have been using trapz to integrate a vector of equally spaced data. Is there a more accurate method available in script form t...

oltre 11 anni fa | 1 risposta | 0

1

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Domanda


How do you speed up the image command?
I am using Matlab for a presentation. I construct an "overhead" by fh=figure; set(fh2,'Position',desiredpositionvecto...

oltre 11 anni fa | 1 risposta | 0

1

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Domanda


Problems using the sound systems in Windows 7
I am moving from an older XP laptop and Matlab R2011a to a brand new Windows 7 laptop again with Matlab R2011a. When I run s...

quasi 13 anni fa | 2 risposte | 0

2

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Troubles with saving a modified path
Thanks Walter.

quasi 13 anni fa | 0

Risposto
Pause between execution of soundsc
I think something else is going on. I just downloaded R2011a and ran the same program that uses soundsc and there was not latenc...

quasi 13 anni fa | 0

Domanda


Integrating old toolboxes into newer versions of Matlab
I have an older version of Matlab (6.1) that has a wavelet toolbox that is quite handy. I recently obtained a license for up to ...

quasi 13 anni fa | 1 risposta | 0

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Risposto
What is the best laptop for crunching numbers with Matlab?
Thank you, Jan.

quasi 13 anni fa | 0

Domanda


What is the best laptop for crunching numbers with Matlab?
I deal with audio waves sampled at 44.1 KHz and with plotting using mesh. As a result I often cause my 5 year old Toshiba Satell...

quasi 13 anni fa | 6 risposte | 0

6

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Domanda


When am I using too much memory?
Like several posters, I deal with wav files resulting from sampling at 44.1KHz. I notice that Nero Wave Editor can somehow accom...

quasi 13 anni fa | 0 risposte | 0

0

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Domanda


Copying and Pasting 3-D Plots
I am using meshgrid and mesh to generate 3-D plots. The screen versions look fine but when I click on 'edit' and select 'copy fi...

quasi 13 anni fa | 2 risposte | 0

2

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Domanda


Meshgrid for logarithmic scales
I would like to make 3-D plot using mesh in which one axis should be on a logarithmic scale. Is there a way to use meshgrid and ...

quasi 13 anni fa | 3 risposte | 2

3

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Domanda


Mesh Error
I use mesh and meshgrid a fair amount and always get Warning: Unrecognized OpenGL version, defaulting to 1.0. The plot loo...

quasi 13 anni fa | 1 risposta | 0

1

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Domanda


Does Matlab Use All of a PC's Memory?
My laptop (Toshiba Satellite) has 1 GB of memory. I do a lot of work with wav files and I often get "out of memory" errors. If I...

quasi 13 anni fa | 1 risposta | 0

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Risposto
Reading mp3 files into Matlab
Sorry. I finally followed the directions of Alfredo F. Franco and extracted to files to an appropriate folder and put the folder...

circa 13 anni fa | 0

Domanda


Reading mp3 files into Matlab
I have used a script/function called "wavread.m" successfully with .wav files. I am trying to use a script/function called "mp3r...

circa 13 anni fa | 1 risposta | 0

1

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Domanda


How to list property values
I am using plot and other graphics commands that require setting property values. Is there a way I can see all the properties th...

circa 13 anni fa | 1 risposta | 0

1

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Risposto
Rational Fractions in Symbolic Toolbox
Sorry. I found the answer to my question...vpa (should have known this).

circa 13 anni fa | 0

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Real function for symbolic variables
Thanks for the responses, the cyclist and Walter Roberson. I think my problem had to do with not declaring the variables properl...

circa 13 anni fa | 0