Christopher McCausland
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Contribute at least one answer each month for 3 consecutive months
Awarded to Christopher McCausland on 02 May 2021
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Content Feed
How to let Matlab show large trends in Nyquist Plot?
Hi Zizhuo, You are correct, considering a system L(s); where L(s) has two poles at the origin, will give a 360 degree colocwis...
7 dagen ago | 0
Problem with readtable MATLAB R2020a+
Hi Paolo, I am hoping I have an answer for you however I am working in MATLAB 2020b, it is post 2020a so I think the changes s...
12 dagen ago | 0
Create a grouped boxplot
Hi NA, From the documentation here (See section boxplotGroup(__,'primaryLabels',c) ) the number of primary lables should matc...
20 dagen ago | 0
How to normalize data?
Hi Seval, Normalising data has several diffrent meanings statistically speaking. I am guessing given the mention of the Y colum...
ongeveer 2 maanden ago | 0
FIR Filter delay for Realtime Signal Processing
Hi Ghazian, Your question is more about sampling theroy than matlab. Using an FIR filter will intorduce group delay to the sig...
2 maanden ago | 0
how to plot all points
Hi Vedang, Before considering my answer below you should know that there are more efficent methids to do this. However as you ...
2 maanden ago | 1
How i will draw circle around specific point in 3D model
Hi Radoslaw, There are a couple of similar questions that answer your question. Here is a link as to how to plot circles. I a...
2 maanden ago | 0
| accepted
How to upsample a picture with initial values?
Hi Benat, MATLAB as an inbuilt function to do this for you. Let me know if you need any other help. Christopher
2 maanden ago | 0
| accepted
Question
Remove rows from table identified in a second string array
Hi, I have a table of results, called Results which is 505x11. The first column is Results.Filename and gives an asociated str...
3 maanden ago | 2 answers | 0
2
answersStore values from while loop into an array
Hi Jacob, I am not sure what u and v are suppsosed to look like, if you could give some data that would be great! I have been ab...
4 maanden ago | 0
| accepted
Index in position 1 exceeds array bounds
In your code in line 22 you have resb=resids(bidx(bb,:),:); where as with any index resb=resids(A,B). MATLAB is trying to tell...
4 maanden ago | 0
pull_up_down in Matlab
Hi Sapir, In MATLAB there is a "configurePin" command which can enable the pull up resistor. Here is the link to the documentat...
4 maanden ago | 0
Can I use Matlab/Simulink to replace our current CFD?
Hi there, MATLAB is a great and versatile programe that can acheive many things, CFD being one of them. I am currently working...
4 maanden ago | 0
how can I show all of my data in the legend for each curve?
lgd is outside the for loop with no buffer array to hold the data. This is why only the last value is being displayed. While thi...
4 maanden ago | 0
Detect the error position in a vector and correct it (Matlab)
Hi Afluo, You can try something like the below to assess where the diffrences between the arrays are; after this just cycle to ...
4 maanden ago | 0
| accepted
Writing an audio file
Hi Grant, It's been a while from I have used .wav files for ECG recorings. I think you are on the right track with your first a...
4 maanden ago | 1
MATLAB APP: Create a "log" box
Hi William, There are a few options to do this, if you are using the matlab app designer take a look at uitab and uipanel. Th...
4 maanden ago | 0
Sampling of a Sine wave.
Hi Ketan, I have ran the code an everything looks corrrect to me. If I understand the question correctly you are asking more ...
4 maanden ago | 0
Scatte plot to contour plot xyz data.
Hi, Have you tried Contour3 for three dimentional contour plots? You should be able to plot a secondary graph from this. c...
4 maanden ago | 0
Spline Error - The first input must contain unique values
For anyone that finds this, I was able to determine my own issue. In the array of 300000 data points two concurrent data points ...
5 maanden ago | 2
| accepted
Question
Spline Error - The first input must contain unique values
Hi, I am proccessing data from the physionet Staff III database. I take the data, apply a bandpass filter and then apply cubic ...
5 maanden ago | 1 answer | 1
1
answerError Using trainNetwork (line 170). Too many input arguments.
"Too many input arguments" is a sign that the function expects fewer input arguments. In this case your input arguments appear t...
6 maanden ago | 0
| accepted
Question
Renaming a struct in v2020b
Hi, I am currently writting code to detect peaks in a signal. The data is pre-recorded in a series of dynamically named .mat...
8 maanden ago | 2 answers | 0
2
answersTables - Data extraction and processing with ifelse
For anyone that stubbles across this, MATLAB has an inbuilt function called rowfun which can apply functions to rows of a table....
meer dan een jaar ago | 0
| accepted
How to do simple Excel functions using Matlab instead
Hi Kevin, You should be able to access elements on the array using a proccess known as indexing. % define array x as 3x3 ...
meer dan een jaar ago | 0
Question
Tables - Data extraction and processing with ifelse
Where I am at; I have imported a csv file as a table. Each row of the table holds 14 peices of information (stored as variabl...
meer dan een jaar ago | 1 answer | 0
