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Feeds
Code not displaying figure
The last end is in the wrong place. Placing it where you have it makes the projection generation and figure creation code part o...
alrededor de 4 horas hace | 0
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How to convert tables into numeric arrays?
C_512 is not a cell array of tables; it is a cell array of cell arrays of tables. % Load the .mat file load('./C_512.mat'); C...
alrededor de 11 horas hace | 0
| aceptada
Is there a quick function to make an array whose elements are the sum of the row and column numbers?
function out = Fun(n) out = (1:n) + (1:n).'; end
alrededor de 23 horas hace | 0
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Regarding the GUI update to change the slider values.
Assuming app.dropdown is your dropdown component and app.slider is your slider component: if app.dropdown.ValueIndex == 1 ...
2 días hace | 0
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how can add an text on GUI
f = uifigure(); t = uitextarea(f); str = 'some text'; t.Value = str; https://www.mathworks.com/help/matlab/ref/matlab.ui.c...
3 días hace | 0
indexing groups of elements in a vector in a certain way
%matrix A A = [1 1 4 1 5 1 6 1 5 2 6 2 7 2 3 3 4 3 5 3 3 3]; %matrix B B...
3 días hace | 0
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How can I add a marker to the legend with two x axes?
Interestingly, swapping the order of perr and terr in the legend() call makes both markers show up in the legend. pwa= [NaN;4.2...
3 días hace | 0
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How to remove the number caused by 'grid on' and How to change the legend mark
w0=300; l1=2*w0; l2=w0^2; k=60; s=tf('s'); r=[0.9,1.2,1.3,1.4,1.8,2.5,3.5]; H=figure; for i=1:numel(r) transfer_func...
3 días hace | 1
Two Plotting results one at a time like simulation
Let's say you have these x, y, and Slope variables: x = linspace(0,1,100); y = exp(x/2); Slope = 0.5*y; Then to plot y and S...
4 días hace | 0
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Running a large array
You can read and process the file in sections, one section at a time, in a loop, by specifying the start and count input argumen...
4 días hace | 0
I want to plot same X axis and different Y axis like timing diagram
I don't know what form your variables are in, but here's something: t = 0:0.5:4.5; Vc = [0 1 0 1 0 1 0 1 0]; Vb = [0 0 1 1 0 ...
4 días hace | 1
Right now, changing the spinner's value will create a new maze, but the mazes are still 10-by-10. Try running the app to verify this behavior. To fix this, you can use the gr
% Callback function: GridSizeSpinner, NewMazeButton function NewMazeButtonPushed(app, event) % get the spinner's value: ...
4 días hace | 0
Adding a column to a UITable and then using it.
app.StimInputTable.Data.Var4 = app.StimInputTable.Data.Var3./app.StimInputTable.Data.Var2; % ^^^^^ you we...
5 días hace | 0
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I want to write data at the end of every nth line of a text file
str = readlines(filename); str(4:4:end) = str(4:4:end) + "c"; writelines(str,filename) where "filename" is the abso...
5 días hace | 1
| aceptada
Questions about the input X of pcolor and contourf.
I interpret the pcolor documentation as saying that a rectangular grid and a parametric grid are separate special cases, so the ...
7 días hace | 0
With a ribbon plot, how to make the ribbons go along each matrix row instead of each column?
If you have some leeway on the x- and y-axis tick locations, you can use ribbon with the tranpose of Z and just alter the axis l...
8 días hace | 2
Save graphical objects in .mat file for later use
You can use copyobj to copy an existing graphical object (e.g., scatter plot) to another parent (e.g., axes). Here's an example...
8 días hace | 0
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With a ribbon plot, how to make the ribbons go along each matrix row instead of each column?
Z=[0,1,2,2; 1,2,3,3; 2,3,4,4; 3,4,5,5]; [m,n] = size(Z); Y = (0:m-1).'; X = (0:n-1).'; Original ribbon plot, for reference...
8 días hace | 1
How can I make a graph like this for ANOVA 2-Way
The code that constructs bpdata takes the table data for each patient in turn and puts it together into a 2-row matrix with a co...
8 días hace | 0
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How to programmatically change the command window text size?
s = settings; s.matlab.fonts.codefont.Size.PersonalValue = 16;
8 días hace | 0
agrupacion de datos de una tabla
% first, I construct a table similar to yours N = 152709; MeasID = cellstr(char(64+randi(26,N,4))); Time = datetime(randi(30,...
9 días hace | 0
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How to count the number of non-nan values for combination of multiple variables
% Initial table a = [1;1;1;2;2;2;2]; b = [660; 661; 661; 663; 663; NaN; 663]; c = [1;2;2;5;5;NaN;6]; d = [11;12;NaN; 13; 14;...
9 días hace | 0
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What does the syntax matrix(vector) mean?
Indexing. https://www.mathworks.com/company/technical-articles/matrix-indexing-in-matlab.html
9 días hace | 0
| aceptada
Unrecognized function or variable 'RK'.
https://www.mathworks.com/matlabcentral/answers/96005-why-do-i-get-the-error-unrecognized-function-or-variable
9 días hace | 0
How do I draw contours on multiple surfaces so that they line up
Maybe specifying a vector of contour levels, rather than the number of levels, is appropriate. For example: lev = 0.01:0.01:0.0...
9 días hace | 0
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Error using feval Function to evaluate must be represented as a string scalar, character vector, or function_handle object.
Use the 's' (or "s") option in input() in order to store the result as text without evaluating it: fname = input('\n M-file con...
9 días hace | 0
A problem with a code that works as it is but gives an index error when is used inside a function
Based on the error message, "Index in position 2 exceeds array bounds. Index must not exceed 100. Error in cleaner (line 118) z...
9 días hace | 0
How can I write a 'for' loop that sums up all elements of a vector?
a = 1:5; total = 0; for ii = 1:numel(a) total = total+a(ii) end
9 días hace | 0
Iterate over struct with length>1, with multiple fields
teststruct = struct('name', {'Alice', 'Bob', 'Eve'}, 'age', {24, 45, 35}) names = {teststruct.name} ages = [teststruct.age] O...
10 días hace | 0
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How to plot RGB histogram of an image into a single 3D slice plot?
image = imread('peppers.png'); R = image(:,:,1); G = image(:,:,2); B = image(:,:,3); subplot(2,2,1); imshow(image); titl...
10 días hace | 2
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