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...

4 years 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 ...

4 years ago | 1

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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 ...

4 years 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...

4 years ago | 0

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

4 years 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...

4 years 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...

4 years 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...

4 years 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...

4 years 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...

4 years 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)

4 years 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...

4 years 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...

4 years 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 = [...

4 years 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 ...

4 years 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...

4 years 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...

4 years ago | 0

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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...

4 years 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....

4 years 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 ...

4 years 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))

4 years 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 ...

4 years 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 ...

4 years ago | 0

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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...

4 years 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...

4 years 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

4 years ago | 0

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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...

4 years 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. ...

4 years ago | 0

Answered
Struggling to plot the data over timestamps!
I copied and pasted your data into an .xlsx file (attached here) and ran your commands (only modified to have the .xlsx file in ...

4 years ago | 0

Answered
How to create an interactive graph to show how data changes when one factor in an equation is changed
Here is a good example of building an app in app designer with graphs that change as values of parameters are changed by the us...

4 years ago | 0

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