Ollie A
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Analysing Equation in matlab
Be careful when multiplying and dividing arrays; you will need to use the dot notation. You remembered it for d = payload .* ...
casi 4 años hace | 1
Pregunta
PDE toolbox coefficients in functional form
I am using PDE toolbox to simulate current flow through a 2D conductive medium. I want to use my results from this model as a f...
casi 4 años hace | 0 respuestas | 0
0
respuestasPregunta
Aligning a stack of images
I have 40 images in a stack that make up a video. I need the images to be (near) perfectly aligned. At the moment there are ver...
más de 4 años hace | 1 respuesta | 0
1
respuestaFibonacci serie, can not calculate with big number
If you're trying to calculate numbers in the Fibonacci series, there is a MATLAB function for it: Fibonacci If this doesn't he...
más de 5 años hace | 0
Save images every certain period
for imagenumber = 1:1000 if mod(imagenumber,10)==0 % Modulo filename = sprintf('Image%d.png',imagenumber); ...
más de 5 años hace | 1
how can i solve such two problems in single script file and run them?
There are two ways you could construct your function, as a symbolic function using syms, or as an expression that operates on a ...
más de 5 años hace | 0
Import time and date text file
You could try using: fid = fopen('filename.txt'); string = textscan(fid,'%s','delimiter','\n'); % Read in lines of string to v...
más de 5 años hace | 0
How to generate random points
R = randi([0 1], 1000); imshow(R); Is this what you're looking for?
más de 5 años hace | 0
using meshgrid to create a mesh
I don't think you have to meshgrid(Z), instead your 12x12 Z matrix represents the height of the mesh plot at coordinates specifi...
más de 5 años hace | 0
Losing precision when writing to Excel using xlswrite
It could be to do with the format of the excel cells. In excel you can increase the number of decimal places displayed. Otherwi...
más de 5 años hace | 0
Cell array to matix
You could try using: M = {}; % Your cell N = cat(3,M{:}); % Concatenate matrices along 3rd dimension This will give you a sin...
más de 5 años hace | 0
Finding the set of unique values for another set of unique values
This should do the trick: M = [ 1,2;1,3;1,2;2,4;2,4;2,5]; % Your matrix u = unique(M(:,1)); for x = 1:length(u) N{x} = u...
más de 5 años hace | 1
How can I change the spacing/number of ticks in a figure?
This link should help: yticks It says you can specify the ticks on the y-axis. In your case it would be done as follows: ytic...
más de 5 años hace | 0
| aceptada
What is the correct equation?
You have a variable t in your equation which is a vector. In order to multiply vectors in MATLAB you must use the syntax .*. In ...
más de 5 años hace | 0
| aceptada
Having trouble creating a table
Make sure the variables you create your table with are column vectors. In this case I suspect your vectors are row vectors. Jus...
más de 5 años hace | 0
How I can i read all files in a folder
You can use sprintf(). for n = 1:20 filename = sprintf('speaker1_%03d.wav', n) end Then within the loop input filename into...
más de 5 años hace | 0
How can I index the edges of a matrix
I have interpreted your question to mean that for both matrices, you want the set all of the matrix, except the edge, to zero an...
más de 5 años hace | 1
transform duration into some visible in the table
Duration just refers to the format of the data stored in each cell array. You could convert your cell to a table, which might h...
más de 5 años hace | 1
| aceptada
XTick labels for bar plot of 2 data sets
You can modify the colour of individual bars in the bar chart using CData. This documentation explains it well: CData Here is...
más de 5 años hace | 0
How to implement this equation?
If is a tensor, you could represent it as a matrix. Then your code should look something like this: lamda = ones(1,n); b = s...
más de 5 años hace | 0
| aceptada
How to average 5 rows of a vector recursively?
V = 1:9445; % Your vector setsize = 5; for x = 1:length(V)/setsize Vnew(x) = mean(V((x-1)*setsize+1:x*setsize)) end I...
más de 5 años hace | 0
| aceptada
How do I plot the surface plot and surface plot based on the equation and conditions below?
a = 15; b = 7.5; k = 4*100/pi; % Define constants. X = linspace(-5,5,101); [x,y] = meshgrid(X,X); % x and y range. n = ...
más de 5 años hace | 1
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Attempting to write my data into a single CSV file.
I would create a table, using the MATLAB function T = table(response, reaction_time); and then simply writing the table to a c...
más de 5 años hace | 1
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Pregunta
Solving PDEs: time dependent c coefficient
I am solving a PDE to simulate current flow through a conductive medium in 2D. My geometry is as follows: With Neumann bound...
más de 5 años hace | 1 respuesta | 1
1
respuestaResuelto
Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...
más de 5 años hace
Resuelto
Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...
más de 5 años hace
Resuelto
Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
más de 5 años hace
Resuelto
Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
más de 5 años hace
Resuelto
What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...
más de 5 años hace
Resuelto
Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
más de 5 años hace