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Jon


Last seen: Today Active since 2013

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Answered
How can I find if edges in a subgraph SG appear inside/belong to a graph G?
You can name the edges in G and then the corresponding edges in the subgraph will have the same names as those in the main graph...

en dag ago | 1

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Answered
polynomial regression of a given function
You only solved for the coefficients. If you want to compare the original data and the fit you can do something like this, after...

en dag ago | 0

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Answered
Why do I recieve error when doing sinc function
If you want to plot the sinc value for a range of values then you need to pass it a vector of values. So for example: x = lins...

en dag ago | 0

Answered
Doubt about finding the nearest values between array and a matrix
You are overwriting the value of ID with each pass through your loop, so you only see the value for the last pass. If you want ...

en dag ago | 1

Answered
How do I solve an ODE of the form y'=ay^3 +by^2 +cy +d?
The ode solvers, e.g. ode45 require a function handle which will evaluate the current value of the derivative given the current ...

en dag ago | 0

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Answered
How to select multiple excel files with the uigetfile function?
[file_list,path_name] = uigetfile('*.xlsx','MyDialog','MultiSelect','on'); You were missing the dialog name argument, so it was...

2 dagar ago | 0

Answered
How to convert time column into a regular array?
t = seconds(A_time.Time - A_time.Time(1))

5 dagar ago | 0

Answered
"Unable to find or open 'Filename.txt'" error in MATLAB 2022a for files from a shared network drive.
Sometimes Windows loses the connection to the mapped drive. Can you still open the folder in Windows File Explorer? Sometimes it...

5 dagar ago | 0

Answered
Accessing appdesigner objects properties from a function
First, I'm not sure why you would want to just have a single button pushed callback for multiple buttons. Why not just break th...

6 dagar ago | 0

Question


Is applying a binary operator (+,-,*,/) to char arrays supported by MATLAB or just a "trick"
I recently came across the use of the following way to obtain the individual digits of a binary number as an array of doubles, f...

6 dagar ago | 5 answers | 2

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answers

Answered
Find the Minimum Combination of Sum
If I understand what you are trying to do, I think this might work for you A = rand(100,1); % define matrix which can be mul...

7 dagar ago | 1

Answered
I want to plot graph between partial pressure of ammonia and Length but it has error.
Note that in your assignment for pNH3 the index is n, not n+1 so it only get assigned values up to the max value of n set by th...

7 dagar ago | 0

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Answered
calculate the minimum probability
Say you have three matrices of the same size A,B,C then you can find the minimum as you describe using D = min(min(A,B),C)

7 dagar ago | 0

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Answered
Why doesn't Newton's method calculate the correct temperature
Is there a reason you are using your own solver here rather than the MATLAB fzero (for function of one variable) or fsolve for s...

9 dagar ago | 0

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Answered
Simulation of random walk
It looks like you already "store the j values into the array node_visited. So it looks like you should be doing your summaries...

12 dagar ago | 0

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Answered
Check an entire matrix against each value of another matrix
If I understand what you are looking for, I think this will do it in a very simple way c = intersect(a,b) >> a = [4 3]; b = [...

12 dagar ago | 0

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Answered
How can the points of a scatter plot placed on a new matrix?
Assuming you mean by the first point, second point, etc in the scatter plot their order of appearance from left to right (along ...

12 dagar ago | 0

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Answered
How to find indices in a vector satisfying a condition for a minimum consecutive number of entries
Here's one approach. You could shorten this up a little by combining some of the individual statements into more complicated on...

13 dagar ago | 1

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Answered
Check numbers in a 5x5 array
You can also do this without any loops using MATLAB's intersect function which lists the common elements between two arrays. Hin...

13 dagar ago | 0

Answered
Can someone help me writing this equation in matlab, I appreciate,..
Here is an example where I have supplied some arbitrary values for P,N, phi and omega. You can modify with the values you actual...

14 dagar ago | 0

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Answered
Drop Down Button (App Designer) return index of repeated elements
Here's a skeleton of the logic regarding using unique. You will have to adapt details regarding getting the users selection etc....

14 dagar ago | 0

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Answered
Dimensions of arrays being concatenated are not consistent error .
There is a problem with your approach, which is setting the initial condition for the second block (the one that the switch is ...

14 dagar ago | 0

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Answered
how can i negative all value in a matrix except diagonal?
Am = -(A - diag(diag(A))) + diag(diag(A))

15 dagar ago | 1

Answered
Algorithm to calculate trajectories from a vector field
The trajectories you are seeking are solutions to a set of ordinary differential equations with initial conditions given by the ...

16 dagar ago | 1

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Answered
how to save some variables created in a loop
You need to provide a vector to collect your values in, so something like this numIterations = 10; % put total iterations here ...

16 dagar ago | 0

Answered
Tell the user something is wrong
If I understand your question, I think that you may find that you can use MATLAB's errordlg function can do what you are looking...

16 dagar ago | 0

Answered
How to convert cell to matrix
Side stepping the issue a little bit, I can read in your data file perfectly as numerical values and not use cell2mat at all usi...

16 dagar ago | 1

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Answered
sensitivity analysis generate random integer values
Sound like you are looking for the MATLAB randi function, you can get details by typing doc randi on the command line

16 dagar ago | 0

Answered
Save each output step in rows in a larger matrix
You have a number of problems with your code. The main problem, if you want to save the results of each iteration in variable Q...

19 dagar ago | 0

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Answered
representing the correlation function
In your code the sin wave signal will have an amplitude of one, and the stadard deviation of the noise signal will also be one. ...

19 dagar ago | 0

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