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Ollie A


Last seen: 約2年 前 |  2018 年からアクティブ

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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 .* ...

3年以上 前 | 1

質問


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...

3年以上 前 | 0 件の回答 | 0

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質問


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...

4年以上 前 | 1 件の回答 | 0

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Fibonacci 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...

約5年 前 | 0

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Save images every certain period
for imagenumber = 1:1000 if mod(imagenumber,10)==0 % Modulo filename = sprintf('Image%d.png',imagenumber); ...

約5年 前 | 1

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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 ...

約5年 前 | 0

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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...

約5年 前 | 0

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How to generate random points
R = randi([0 1], 1000); imshow(R); Is this what you're looking for?

約5年 前 | 0

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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...

約5年 前 | 0

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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...

約5年 前 | 0

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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...

約5年 前 | 0

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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...

約5年 前 | 1

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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...

約5年 前 | 0

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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 ...

約5年 前 | 0

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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...

約5年 前 | 0

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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...

約5年 前 | 0

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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...

約5年 前 | 1

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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...

約5年 前 | 1

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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...

約5年 前 | 0

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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...

約5年 前 | 0

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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...

約5年 前 | 0

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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 = ...

約5年 前 | 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...

約5年 前 | 1

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質問


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...

約5年 前 | 1 件の回答 | 1

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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...

5年以上 前

解決済み


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...

5年以上 前

解決済み


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...

5年以上 前

解決済み


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...

5年以上 前

解決済み


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 ...

5年以上 前

解決済み


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...

5年以上 前

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