Answered
I need help figuring out the mistake in my function approximation
Your 5th-degree polynomial is smooth (but not unique, because you only have 4 data points). You just don't plot on a fine enough...

6 months ago | 0

| accepted

Answered
prctile function and percentile function in excel
Quoting the Wikipedia article on Percentile, "There is no standard definition of percentile". Because of this, there can be diff...

6 months ago | 0

Answered
dbstop if error not working
ferror is the name of a built-in MATLAB function (which the debugger cannot open into). I expect it is being called, rather than...

6 months ago | 0

Answered
Error using confusionmat command
I'd like to see the data, but in this line C_nn = confusionmat(Y_test, Y_pred_nn); isn't Y_test a Nx1 vector (where N is the n...

6 months ago | 0

Answered
How to have same heading for different columns in the table?
You can't have identical column names. If it's just for display purposes, you could add whitespace. t1 = rand(3,1); t2 = rand(...

6 months ago | 0

Answered
MATLAB editor change 2021a to 2023b - Clear all breakpoints
You can still remove groups of breakpoints via the ribbon, but it does take an extra click (on the Run pull-down). This annoyed...

6 months ago | 0

| accepted

Answered
strong.mat file not found in MATLAB installation
The reason is that starting with R2023a, the default MATLAB installation no longer install a local copy of the documentation. Th...

6 months ago | 1

| accepted

Answered
Error using readtable '.1(0a)' is not a recognized file extension. Unable to detect file type.
MATLAB can't autodetect the file type, and you're not sure either, so you can try to experiment. You can specify a ('Name','Valu...

6 months ago | 0

Answered
String in an axis label that varies depending on code
There are many possible ways to achieve this. One way is to store the strings in an array, and then index into that array using ...

6 months ago | 0

| accepted

Answered
install MATLAB 2017b version
Go to the Downloads page On the left-hand side of the page, click on "Show More" Click on R2017b Follow the instructions

6 months ago | 0

Answered
Goodness of fit parameters seem to be incorrect in Curve Fitter App with Exponential 2 term
You are fitting 5 data points, using a function that has 4 free parameters. Furthermore, fitting with a double-exponential is pr...

6 months ago | 1

Answered
Help finding cell array indices for unique characters in string names
names = cell(1, 10); names{1} = '*H'; names{2} = 'HO2'; names{3} = '*H2'; names{4} = 'H2O'; names{5} = 'H2O2'; names{6} = ...

6 months ago | 1

Answered
"I'm trying to add an 'if' statement to analyze each result, but Matlab is 'ignoring' the condition and not performing the addition."
Is c a vector? If so, then all elements of c would have to be less than zero, to enter the if condition. This is explained in th...

6 months ago | 0

Answered
How to get new double array from sym array
I expect it does stop, eventually. In the code below, I changed the loop over a5, so that it executes only 1/100th as many itera...

6 months ago | 0

Answered
Trying to find the number of people overweight gives zero
I agree with @Jon that uploading your data file will help, but the problem is almost certainly what @Dyuman Joshi hints at, whic...

6 months ago | 0

Answered
Split a Table at every nth row
Here is one way: % Make up a table var1 = rand(96000,1); var2 = rand(96000,1); tbl = table(var1,var2); % Define the small...

6 months ago | 0

Answered
Varying cluster size in cluster bar chart
Sounds like the barh function will make the kind of chart you want.

6 months ago | 0

Answered
Unrecognized function or variable 'i1'.
The variables i1, i2, and i3 in the function call [a,b,c] = ThreeFunc2(i1,i2,i3) or the variables t, f1 and f2 in the functio...

6 months ago | 0

| accepted

Answered
Run a repeated measures anova as a mixed effects model using fitlme
Here is a fairly massive re-write of your analysis. Almost all of this code is restructuring the data into the tidy format. I us...

7 months ago | 0

| accepted

Answered
Convert covariance matrix in ecef to LLA
According to ChatGPT, this code will do it. DISCLAIMER: I have no idea if this code is accurate. I don't know what ECEF or LLA ...

7 months ago | 0

Answered
fitglme significant group interpretation
"which group could be more significant than others" is not a sound statistical question. First off, and this is an important th...

7 months ago | 0

| accepted

Answered
convenient way to achieve max value in matrix and it location
% Define a smaller array, so we can see what is going on test = cat(3,[2 3; 5 7; 9 11],[1 4; 6 0; 8 12]) You can see that we h...

7 months ago | 0

| accepted

Answered
Error while running matlab
Looks like that's Octave, not MATLAB. But, that being said, it looks like the problem is that there is no end statement to clos...

7 months ago | 0

Answered
How can I use repeated, k-fold cross-validation results with rocmetrics?
Note the following line from the rocmetrics documentation: "For cross-validated data, you must specify Labels, Scores, and Weig...

7 months ago | 0

Answered
How to tile m by n plots (all different) and add row titles
You can use the annotation command to add text annotations to your figure. v=tiledlayout(2,4); nexttile(1) plot(rand(8,1))...

7 months ago | 0

| accepted

Answered
glmfit: Iteration limit reached
The first thing I notice is that the X data has missing values (NaN). MATLAB automatically removes observations (i.e. rows) wit...

7 months ago | 1

Answered
How can I know which ditribution is appropriate to fit on the generated histogram? and, How can I do that?
Fitting to the histogram of data, instead of to the raw data, is typically a bad modeling practice, because you introduce error ...

7 months ago | 0

Answered
I got error in this script
The line time = datas(:,1); will give a table with one variable. You need to use curly brackets in access the contents of the ...

7 months ago | 0

| accepted

Answered
Run a repeated measures anova as a mixed effects model using fitlme
Please see my comment about helping us help you. That being said, I don't think you can specify the response variable as look_...

7 months ago | 0

Answered
How to distribute a matlab app using matlab web app server and AWS?
A google search turns up this documentation page on how to Run MATLAB Web App Server on AWS using Reference Architecture.

7 months ago | 0