Community Profile

Tom Irvine


Vibrationdata

21 total contributions since 2004

Contact

Contributions in
View by

Posted


xlswrite, cell arrays
I have two cell arrays Each has a different number of columns. How I can I combine them so that I can use xlswrite? The ro...

2 years ago | 907 views

Posted


Insert data into GUIDE uitable
I am trying to set up a simple table in GUIDE for displaying data only. I have selected: "Do not set the data value and leave t...

3 years ago | 1126 views

Responded


Re: audioplayer in GUI
OK. I found a work-around from another post. I need to add: pause(max(size(signal))/Fs); Still open to better solutions. ...

3 years ago | 5470 views

Posted


audioplayer in GUI
I wrote a function for a GUI: function pushbutton_Select_wav_File_Callback(hObject, eventdata, handles) [filename, pathname] = ...

3 years ago | 5470 views

Answered
Help Solve Reset Listbox Error?
Thank you Image Analyst. I found the error. I was inadvertently deleting the secondary listboxes in other Callback functions...

4 years ago | 0

| accepted

Question


Help Solve Reset Listbox Error?
I have a script that resets two secondary listboxes depending on the value selected from the primary listbox. Here is a cod...

4 years ago | 2 Answers | 0

2

answers

Answered
Read input matrix inside a function
Oh... this seems to work: FS = input(' Enter the matrix name: ','s'); F=evalin('caller',FS);

5 years ago | 0

Question


Read input matrix inside a function
I have a numerical array 'drop' setup in my Matlab workspace. I can read the array into an interactive Matlab script using th...

5 years ago | 2 Answers | 0

2

answers

Question


ode45 function
I have a damped, Duffing-type oscillator that I am try to drive with a randomly-varying forcing function fff, where fff is a one...

5 years ago | 2 Answers | 0

2

answers

Posted


Image Time Lapse
I have a video file in avi format. How can I use Matlab to convert this to time lapse form by retaining only every second or t...

8 years ago | 963 views

Submitted


Power Spectral Density
Power spectral density of a time history.

10 years ago | 11 downloads |

Thumbnail

Submitted


Vibration Response Spectrum
This program calculates the VRS for a base input PSD.

10 years ago | 9 downloads |

Thumbnail

Submitted


Waterfall FFT
This program calculates the Waterfall FFT of a time history.

10 years ago | 15 downloads |

Thumbnail

Submitted


Shock Response Spectrum
This program calculates the SRS of a time history.

10 years ago | 24 downloads |

Thumbnail

Submitted


Power Spectral Density Integration
This program calculates the overall GRMS for a PSD function.

11 years ago | 8 downloads |

Thumbnail

Posted


Renaming variable per user input
There must be an easy answer to this question. 1. I have a matrix called 'a' that has some numerical data. 2. I want to use th...

11 years ago | 920 views

Submitted


zoom FFT
This program calculates the zoom FFT of a time history.

11 years ago | 14 downloads |

Thumbnail

Responded


Re: Eigenvalue solver
Matlab has a function called "eig" for solving the generalized eigenvalue problem. An example is [ModeShapes,Eigenvalues]=eig(...

11 years ago | 992 views

Responded


Re: help me
Here is script that you can try.... % % disp(' '); disp(' SDOF_sine.m ver 1.0 August 28, 2004 '); disp(' by Tom Irvine Email: t...

12 years ago | 554 views

Posted


GUI Axis Scale
I am working on a GUI program that displays a plot. According to the property inspector, the XScale must be permanently set to ...

12 years ago | 687 views

Posted


Need Compiling Help
I have written a Matlab script (M-file) that I need compiled into a stand-alone version. I do not have the compiler, however. Ca...

12 years ago | 518 views