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David Koenig


Corning Inc. (Retired)

Last seen: 5 months 前 |  自 2011 起处于活动状态

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retired control engineer. Matlab author. Jazz and classical music fan. Piano aficionado. Bridge enthusiast. Professional Interests: simulation and analysis of sounds

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提问


How can I undock the command window?
I have just downloaded R2022b and am having troubles. (1) I can only keep one script window in the editor at a time. Is that a ...

1 year 前 | 1 个回答 | 0

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How do I remove old installations in broken down computers?
I have had a single-user Matlab license since 1989 (Matlab author since 2009) and, over the years, I have installed Matlab on ma...

1 year 前 | 2 个回答 | 0

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提问


How to find which of my computers have Matlab installed?
I buy a new computer every couple of years and I find that I can have Matlab installed on only a few computers. Can you tell me ...

1 year 前 | 1 个回答 | 0

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提问


Books on Matlab Symbolic
I bought my first Matlab in 1989 (a 5 inch floppy disc) and have been using it constantly ever since. Being a Matlab author I ge...

2 years 前 | 1 个回答 | 0

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提问


Does it help to have more than 16 gb of memory?
I am buying a computer and I wonder if it makes sense to purchase extra memory. I do a lot of number crunchng on sound waves sam...

2 years 前 | 1 个回答 | 0

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提问


How to use audio toolbox
Hello. I have audio toolbox and I am trying to cause my Yamaha P120 digital piano to produce the sound of a key strike by sendin...

4 years 前 | 1 个回答 | 0

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提问


How to extract information from sys
I would like to extract the coefficients in a discrete transfer function that I construct from a continuous transfer function. F...

5 years 前 | 1 个回答 | 0

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提问


How can I prevent the studdering initial sound when sound or soundsc is used?
When I feed a sine wave into sound or soundsc I get a ta-daaa at the beginning and the tone comes through as expected. It is int...

5 years 前 | 0 个回答 | 0

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提问


How to use webread to download numerical data
Hello. I have data in the form of .mat files in a folder in my Boxnet account. I would like to use a Matlab script to read those...

5 years 前 | 1 个回答 | 0

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已回答
How can I protect a public script from being changed?
Thanks to Adam and OCDER.

5 years 前 | 0

提问


How can I protect a public script from being changed?
I write scripts that I would like other Matlab users to run but I do not want them to be able to modify it. Is there a way to pr...

5 years 前 | 2 个回答 | 0

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提问


How to keep Matlab going on a long calculation?
I run simulations, some of which take on the order of 90 minutes. If I get one started and walk away to do other things, I find ...

8 years 前 | 1 个回答 | 0

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提问


How can I get the Mastering Matlab Toolbox
In "Mastering Matlab" by Hanselman & Littlefield there is a reference to the Mastering Matlab Toolbox that contains several scri...

8 years 前 | 1 个回答 | 1

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提问


Why doesn't mp3write work in R2015b but it does in R2013b?
When I try to use mp3write in R2015b I get Error using wavwrite (line 8) WAVWRITE will be removed in a future release. Use ...

8 years 前 | 1 个回答 | 0

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提问


How to change the Date and Time of a Saved Script?
On older versions, when I saved a script it kept the most recent time and date. This allowed me to easily use Windows Explorer t...

8 years 前 | 0 个回答 | 0

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提问


How long does it take to transfer a mat file to the cloud?
To use Matlab mobile I have uploaded a couple of scripts to the Matlab cloud and have been able to run them successfully. There ...

8 years 前 | 0 个回答 | 0

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提问


Can I add toolboxes to Matlab Home Later On?
Q1: I am a Matlab author and have used Matlab extensively in my two books. Now that I am aware of Matlab Home I want to know if ...

9 years 前 | 1 个回答 | 0

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提问


How can I get rid of the yellow background?
While editing a script I inadvertently clicked something that caused a yellow background for the script and also added comments ...

9 years 前 | 4 个回答 | 3

4

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提问


Do I need R2014B for this?
I need to find out which toolboxes my scripts need so that I can know whether Matlab Home will work. Does [fList, pList] = ma...

9 years 前 | 0 个回答 | 0

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提问


Can I Activate audiorecorder or recordblocking by Sound Level?
I am trying to use audiorecorder and recordblocking for tuning a piano and I would like to start collecting when I strike a key....

9 years 前 | 0 个回答 | 0

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How to calculate modal density?
Can you point me to a script that calculates the modal density of a time series? Is there a reference that would show how to cal...

9 years 前 | 0 个回答 | 0

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提问


How Can I Speed up a loop that solves a pde?
Hello, I am solving the 4th order pde for plate vibration and after discretizing the pde and solving for W(x,y,t) or W(k,m,n...

9 years 前 | 1 个回答 | 0

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提问


Pausing in Matlab Mobile
I am trying to convert my scripts so that I can run them on my iPad. Most of my scripts generate many figures and have pauses af...

9 years 前 | 2 个回答 | 0

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提问


Reseverved Status for "CallInputString"?
Yesterday I downloaded R2013a. One of my scripts uses another script function named "CallInputString" defined as function y=C...

11 years 前 | 0 个回答 | 0

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提问


Can a text statement be put on a contour plot?
I have tried putting text(40, 50, 'comment') after a contour plot without succcess. Is there something I am missing? Thanks.

11 years 前 | 1 个回答 | 0

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提问


Bold Titles when using menu
Hello, I am using menu and, based on a previous Matlab Answers post, I am able to choose the font (Arial Rounded MT Bold) but...

11 years 前 | 1 个回答 | 0

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提问


Starting a Loop over again
If I am in a while/end loop and I find that I have a mistake and want to get out of the loop and start the loop over again, how ...

11 years 前 | 1 个回答 | 0

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提问


Does repeated use of ngrid suck up memory?
I calculate a 60,000 by 1000 grid using Matlab's ngrid function. While staying in the same script I often have to recalculate th...

11 years 前 | 0 个回答 | 0

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提问


How can I connect Matlab to Accelerometers?
I would like to use my Matlab to read the outputs of accelerometers. Are there products available that would allow me to use my ...

11 years 前 | 1 个回答 | 0

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提问


Is it possible to update two different graphs?
I want to have a time loop going that generates a snapshot of a vibrating string and on a different figure a snapshot of a vibra...

11 years 前 | 1 个回答 | 1

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