Beantwortet
using lsqnonlin with constraints
From my understanding lsqnonlin only allows for bound constraints on the components of x. For more general problems you will hav...

etwa 2 Monate vor | 0

Beantwortet
How to use ODE45 for a coupled system of differential equations at a specific time point
So, expanding on @Davide Masiello comment, if all you want is the final solution at t = 2.2s you could wrap your call to ode45 u...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
How can I remove empty cells from struct data?
You can adapt @Stephen23's approach given in https://www.mathworks.com/matlabcentral/answers/613956-how-to-check-if-a-element-of...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
Z transfer fcn under simulink and cmd line
This appears to be due to a round off error in the denominator of the discrete transfer function input to Simulink. Try for exa...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
How do I create a colored intensity plot from location and intensity values
This is one approach % define x,y coordinates and corresponding z value x = rand(13,1) y = rand(13,1) z = x.*y % make eve...

etwa 2 Monate vor | 0

Beantwortet
How to repeat elements of a matrix
So is this what you want? A = rand(8,16); B = [repmat(A,1,31) A(:,1:4)]; In this case the last 4 columns of the 8 by 500 are ...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
Run MATLAB from excel
You should investigate this product https://www.mathworks.com/products/spreadsheet-link.html

etwa 2 Monate vor | 0

Beantwortet
Inserting zeros for missing values in a vector
At line 22 on the right hand side you have the vector Vx which has 5 elements. On the left hand side you have newVx indexed by i...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
How do I add a time column in the format of YYYY-MM-DD to my table?
I think R stores dates as posix time. You can use something like this to convert to datetime format eg 31-Dec-1969 23:59:56 d ...

etwa 2 Monate vor | 0

| akzeptiert

Beantwortet
Combine 3 fig. graphs in one plot to compare each other
You should run each of the simulations keeping the results in local variables stored in the base workspace, and then plot the da...

2 Monate vor | 0

Beantwortet
Plotting 2 scripts on 1 graph
The results of running scripts are saved in the local workspace. So lets say that inside of script one you calcualate values of...

2 Monate vor | 0

Beantwortet
FMINCON - Include constraints provided by the objective function
You can use nested functions to avoid recomputing your constraint values. This topic is covered in the following documentation...

2 Monate vor | 1

Beantwortet
How to get array user input in 1 dialog box
If I am understanding what you would like to do I think this might work. % Use single dialog box to collect all information, u...

2 Monate vor | 0

| akzeptiert

Beantwortet
Does anyone know which Simulink Block this is?
Right click on the block in question. This will bring up a context menu. Select "help" from the bottom of this menu. This will t...

3 Monate vor | 0

Beantwortet
Toggle between temperature units for unit conversion
I think this does what you want. I have fixed a few errors in your original code, I think you were confused about the value of ...

3 Monate vor | 0

Beantwortet
How to run a model in simulink several times like a flowchart
You can use the MATLAB sim command to run Simulink programatically in a loop, please see https://www.mathworks.com/help/simulin...

4 Monate vor | 0

Beantwortet
Create folders and organize data based on file name.
You should be able to select the ones you want using dir and wildcards so for example list = dir('*CP-B-01*.txt')

4 Monate vor | 0

Beantwortet
Search for text in all .m files of a folder?
Use the "Find Files" function on the home tab of MATLAB main window

5 Monate vor | 1

| akzeptiert

Beantwortet
Minimizing a function using fmincon with special constraints and intervals
Here is one approach % function to be minimized fun = @(x)x(1)^2 + 3*x(2)/x(3) - x(4)^2 ; %initial value x0=ones(1,4); %...

5 Monate vor | 1

| akzeptiert

Beantwortet
Get shortest paths and distances among nodes without loop for (and possibly in a faster way)
for the distances (shortest path) between every pair of nodes in the graph d = distances(G) and for some subset, in your case ...

5 Monate vor | 1

Beantwortet
Matlab - Class : how to declare an internal function returning a value
You must tell MATLAB that findScenarioNumber is a member function of the class you are currently in scenarioNumber = obj.findSc...

5 Monate vor | 0

| akzeptiert

Beantwortet
any idea how i can compute the elapsed time in each iteration in for loop ?
Use tic and toc

5 Monate vor | 0

Beantwortet
Reading a specific file based on the input the user enters
You could do something like this % prompt user for test series number seriesNo = inputdlg('Please enter the test series number...

5 Monate vor | 0

Beantwortet
Midpoint between 2 numbers in 2 columns in the same csv file
% read in the data dat1 = readmatrix("File1.csv"); dat2 = readmatrix("File2.csv"); % assume first column matches, and compu...

6 Monate vor | 0

| akzeptiert

Beantwortet
How can i plot this: x(t) = |t| * rect((t - 1)/3)
As far as I know, rect is not a MATLAB function. Perhaps it is one you defined and saved in an m file. Assuming this is the case...

6 Monate vor | 0

Beantwortet
Importing Excel Database Into MATLAB
I just ran T = readtable('dataset2.xlsx') and it seems to import without any problems

6 Monate vor | 0

Beantwortet
Find the value which is repeated in each row of a matrix (without loop for)
Here's another way % Input A = [ 523 2920 523 1227 8003 8343 5611 8343 ...

6 Monate vor | 1

Beantwortet
How to discover the neighbor nodes in an matrix?
Here is a little example that I think does what you are asking % % assign threshold for being a neighbor dMax = 0.6; % mak...

6 Monate vor | 0

Beantwortet
Finding a variable in a large table
Here's a simple example, which I think you could extend to your situation % make an example table name = {'fish','cat','dog','...

6 Monate vor | 0

Beantwortet
How to build a function to make a working code more flexible?
The first thing you should do to greatly simplify your code and make it more flexible is to avoid using variable names with nume...

6 Monate vor | 0

| akzeptiert