Professional Interests: metrology, real-time control systems, imaging mass spectrometry, statistics

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MSiReader — Free Open Source MS Imaging Software

MSiReader is a Matlab GUI for viewing and analysis of Mass Spectrometry Imaging data.

6 months ago | 907 clicks |

Submitted

3D Polar Plot

Plots 3d polar data with polar axis and polar grid

9 months ago | 142 downloads |

Responded

Re: interpolation of NaN values isn't working !!

There are several functions in the File Exchange for this. I've gotten good results with inpaint_nans for surface metrology data...

11 months ago | 477 views

Responded

Re: bug in scatter function for R2015b?

All releases since R2014b display a blue circle for If you prefer the prior behavior you can get it with a simple wrapper funct...

11 months ago | 979 views

Responded

Re: Data Tip Precision 2014b

I'm sorry Patrik. I typed in the code and ran it with R2014a. For this example to work with R2014b and later the property name i...

1 year ago | 1538 views

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Re: Nonlinear curvefit Problem

You need a 3rd value for the starting vector x0. But don't choose a value larger than about 0.7 for x0(3) with this model functi...

1 year ago | 685 views

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Re: Data Tip Precision 2014b

I use the datacursormode function, which also allows me to use something other than 'x', 'y' and 'z' as labels and to set the pr...

1 year ago | 1538 views

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Re: transform 3d points

Frank, The 4th column of your data matrix should be 1's not 0's. Try x = [D,ones(length(D),1)]*M' Matlab has a function to cre...

1 year ago | 1437 views

Responded

Re: How to superimpose 2 image using MATLAB, thanks

Jani, Try using the subimage function to plot the second image. I wrote code for this last summer and here is my function addim...

1 year ago | 10270 views

Submitted

Color coded 3D scatterplot

Produces a 3D scatterplot of XYZ data with varying colors

2 years ago | 53 downloads |

Responded

Re: Why is interp1(x,Y,...) being removed?

The suggested new syntax is definitely NOT clearer. But if you look inside the interp1 function in R2012b you'll see calls to ...

4 years ago | 9033 views

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Re: GUI with tabs?

Search for "tab panels" on the File Exchange and take a look at the "GUI Layout Toolbox" and "uitabpanel" Ken

4 years ago | 14014 views

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Re: RS232 issue with carriage return and line feed

Termination can be set when the serial port object is created. For example, Alternatively you can set the termination property...

4 years ago | 7724 views

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Re: Point Grey Chameleon with Image Acquisition Toolbox

Thanks for posting the resolution to your problem. I'm also using a Point Grey Chameleon with the image acquisition toolbox and...

5 years ago | 4866 views

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Re: Matlab GUIDE stability issue

I have the same problem with GUIDE and with any Matlab session that generates lots of 3D plots. Either Java or Matlab will even...

6 years ago | 10738 views

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Re: Convert signed integer to a 16-bit hex number

dec2hex((f<0)*65536+f) Ken

6 years ago | 20246 views

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Re: 3d plot rotation

From the menu select view->camera toolbar. Then click the "orbit camera" icon and the "principal axis z" icon. Vertical mouse ...

6 years ago | 8009 views

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Re: 3D plot with colour as 4th dimension?

Try the FEX function plot3k. Id# is 9519.

6 years ago | 3499 views

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Re: Plotting 3-d functions (Spherical Harmonics)

One approach to you homework ... 1) create a grid of elevation and azimuth angles help meshgrid 2) calculate the radius of the...

7 years ago | 8007 views

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Re: plot3 with color according to z-value?

Try plot3k from the FEX, http://www.mathworks.com/matlabcentral/fileexchange/9519 Ken

8 years ago | 19408 views

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Re: Density scatter plots in Matlab

in message <g5fnkj$rkc$2@fred.mathworks.com>... colored of color documentation coded loadFile.do?objectId=13352&objectType=...

8 years ago | 22701 views

Responded

Re: fft amplitude relationship

Bruce " <italianasa84@gmail.com> wrote in message Bruce, Walter's answer is incomplete. The DC and Nyquist values are uniqu...

8 years ago | 16029 views

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Re: plotting an ellipse

misty m." <donotspam@smth.be> wrote in message Try "help ezplot" and then, for example Ken

8 years ago | 2240 views

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Re: ratio of fft's

dbd <dbd@ieee.org> wrote in message <b6c4d1df-b271-4336- a0e3-ba4e3f834342@l17g2000pri.googlegroups.com>... the constant. proper...

8 years ago | 2522 views

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Re: polar graphs

Sonia <sonia.nom@gmail.com> wrote in message graphs in 3D (about the antenna's directivity) but i have no idea for doing it. ...

8 years ago | 943 views

Responded

Re: Does Matlab do FFT correctly ?

Chen, There are many little tricks that you can play with real data that may help with your analysis. The best one I know of...

8 years ago | 8974 views

Responded

Re: Does Matlab do FFT correctly ?

Chen, There are many little tricks that you can play with real data that may help with your analysis. The best one I know of...

8 years ago | 8974 views

Responded

Re: Does Matlab do FFT correctly ?

Chen Sagiv" <chensagivron@gmail.com> wrote in message get Chen, Matlab does do the FFT and IFFT correctly. The problem wit...

8 years ago | 8974 views

Responded

Re: how can i compare two m-files with the 99% same code (ie fidn the difference between two m-files)

M K" <maha_k@mathworks.com> wrote in message to find Open one file with the M-File editor. Select the menu item, Tools->Comp...

8 years ago | 2695 views