Nalini Vishnoi
MathWorks
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10 of your answers have been accepted
Awarded to Nalini Vishnoi on 15 Feb 2022
3 of your answers have been accepted
Awarded to Nalini Vishnoi on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Nalini Vishnoi on 20 Jul 2017
Feeds
Matlab creates netcdf file but can't open it later(ERROR: The NetCDF library encountered an error during execution of 'open' function - 'Unknown file format (NC_ENOTNC)'
I tried the following code in R2022a through R2024a: >> ncid = netcdf.create('GLORYS_surf.nc','NETCDF4'); >> nccreate('GLORYS...
3 months ago | 1
Setting CurrentTime = 0 and then attempting to read the object results in error for larger file only.
Hi Shane, It would be useful to have access to files for which VideoReader is unable to read the data. You can also create a te...
2 years ago | 0
error in compiled version of GUI
Hi Amanda, It looks like your GUI is returning some data (AssetList). Please note I assume that your compiled application is...
9 years ago | 0
MATLAB Image Acquisition FrameGrabInterval
Hi Garrett, I assume that you are referring to the <http://www.mathworks.com/help/imaq/framegrabinterval.html FrameGrabInterv...
9 years ago | 0
error associated with "errorlevel 1"
Hi Ayman, Please provide more details about the error and what were you executing when you got the error. This error might ha...
9 years ago | 0
Importing data into MATLAB workspace with .RAW format
Hi Ashish, I understand that you would like to read RAW files in MATLAB. You will find the following links useful: <http:...
9 years ago | 1
How to get RGB-values out of video frames using VideoReader-function. When reading an individual frame using impixel-function I get only 3 times zero for RGB.
Hi Pekka, I understand that you would like to get the RGB values out of video frames using 'VideoReader' and 'impixel' funct...
9 years ago | 0
| accepted
How can I change color legend by plotting with errorbar(herrorbar) ?
Hi, The plot you are getting is expected, however, I understand that it is not desired. I looked inside the code for 'herrorb...
9 years ago | 1
| accepted
How to use logregfit.m or the package?
You can download the package from <https://github.com/probml/pmtk3 here>. The link also includes information on how to use the ...
9 years ago | 0
Stem time convolution using conv, filter, cconv and multiplication in frequency domain
Hi, Your last section when executed gave error because you are multiplying two vectors (element by element) when they are of...
9 years ago | 0
Scatterplot colorise, cloud to cloud insted of ground
Hi Malte, It is possible to represent the second point cloud using the colors corresponding to its distance from the first p...
9 years ago | 0
How to set the colour of a polygon based on correlation values
Hi Kean, It is possible using MATLAB. You can find a very relevant example in this <http://www.mathworks.com/matlabcentral/a...
9 years ago | 0
| accepted
Differences in Wavelet results between code and 'wavemenu' GUI/App
Hi Robert, Can you please post your data? I tried to reproduce the same with MATLAB (demo) data using the following code an...
9 years ago | 0
| accepted
Quadratic numbers in matlab
Hi Mayur, I can think of one way to do what you asked by using Symbolic Math toolbox. It has a function <http://www.mathwor...
9 years ago | 0
eig() gives wrong results for complex eigenvalues in comparison to eigs()
Hi Lennart, It seems there are a few things that are not correct with the last part of the code: 1. Instead of li(qq), it ...
9 years ago | 0
| accepted
How can I choose a model depending on the highest value of coefficient of determination in Matlab?
Hi Nasir, Assuming that you have a cell array 'cModels' and a double array 'rSquare' containing the coefficients of determin...
9 years ago | 0
| accepted
Saving as EMF messes up my labels and ticks
Hi Calin, Are you using MATLAB R2014b? This is a known issue with printing or saving to the EMF format in MATLAB R2014b. It ...
9 years ago | 1
| accepted
How to publish full uitable to html/pdf
Hi Bris, The functionality of publishing/printing scrollable 'uitables' is currently not available in MATLAB. As a workar...
9 years ago | 0
serial/fprintf of non-string?
Hi Walter, I can reproduce the behavior on a system with a serial port. The documentation (mostly the syntax section) of ser...
9 years ago | 1
| accepted
Why some DICOM info cannot be added to the Header?
Hello Mohammed, This behavior seems to be related to the 'CreateMode' option of the <http://www.mathworks.com/help/images/ref...
9 years ago | 4
| accepted
Modifying a code (code by Mohammad alshikh khalil)
Hi, Assuming that you are using the following code: >> coeffs = [1.0792 6.0840 0.2822 1.900 27.62]; >> x = 850:1500...
9 years ago | 0
Matlab R2015a - How to solve the error message desktop?
You might want to re-install MATLAB at this point and see if this fixes the issue. -Nalini
9 years ago | 0
| accepted
Tips on global features in images that are usable in SVM
Anton, You can use color (histograms) and/or texture based features in addition to HOG and Gaborwavelet. These would be glob...
9 years ago | 1
Partial Differentiation wrt a Symbolic Variable Defined as Another Function
Yes, you can use the 'Chain rule'. Look at the discussions in this <http://www.mathworks.com/matlabcentral/answers/214902 Answ...
9 years ago | 0
polybool function works wrong
Hi Dmitry, Which version of MATLAB are you currently using? I tried the sample code in MATLAB R2013b (and later versions) an...
9 years ago | 0
Shading error when using surf to plot symmetric data set
Hi Lucas, You are correct, this behavior is reproducible and can be explained as follows: The 'Facecolor' property of surf ...
9 years ago | 2
| accepted
Image Classification: Color Histogram & KNN classifer
Hi Dennis, The steps in your algorithm seem correct. However, when you are doing k-means clustering a lot of information is ...
9 years ago | 0
| accepted
How can I hide filtered files in the uigetfile dialog on a Mac instead of graying out non-matching files?
Hi, The <http://www.mathworks.com/help/matlab/ref/uigetfile.html documentation> states that on some platforms uigetfile disp...
9 years ago | 1
How to use bisection method to approximate values?
Can you provide more information about the problem? As I understand it, if you are integrating over x and it ranges from 0 to 2,...
9 years ago | 0
Accessing Matlab data without MWArrays
You may find <http://www.mathworks.com/matlabcentral/answers/212766 this> post useful. Nalini
9 years ago | 0
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