回答済み
Speed up Some Code
% generate and collect all the P's first nJ = numel(J); P = cell(1,nJ); for ii = 1:nJ P{ii} = randperm(k,J(ii))+1; end ...

2年弱前 | 0

| 採用済み

回答済み
how to aviod the two loops
[X,Y] = meshgrid(x,y); A = [X(:),Y(:)];

2年弱前 | 0

回答済み
how to use "range" in uislider
s = uislider(fig,"Limits",[1 50]); <https://www.mathworks.com/help/matlab/ref/matlab.ui.control.slider-properties.html>

2年弱前 | 1

回答済み
str2num is returning and empty matrix: []
You don't need to use cell2mat; just use curly braces to get the contents of a cell in a cell array. For example: datetempDat ...

2年弱前 | 0

回答済み
str2num is returning and empty matrix: []
There may be a character you don't see, at the beginning of the file, which is included by importdata at the beginning of the fi...

2年弱前 | 0

| 採用済み

回答済み
How do i extract a column from an array
This stores the 3rd column of the array A as Col1 (and displays Col1 in the command window): Col1 = A(:,3) Is that what you wa...

2年弱前 | 0

回答済み
graph multiple excel or csv files
% get info about the (4) files S = dir('*.xlsx'); % construct full path file names filenames = fullfile({S.folder},{S.name}...

2年弱前 | 0

| 採用済み

回答済み
Different Output value of Functions
Implementation 1 has x*y^2 in the third term; Implementation 2 has x1*x2^3 in term3. f_value = (1.5- x+ x*y)^2 + (2.25 - x + x*...

2年弱前 | 0

| 採用済み

回答済み
Placing transparent rectangles on top of a plot
It's hard to say for sure what the problem is without the data, but one problem might be that the axes Y-Limits are outside wher...

2年弱前 | 1

| 採用済み

回答済み
How do I use only one legend entry for sets of xlines?
One way is to explicitly state which line objects to put in the legend, in the call to legend. For example: subplot(3,1...

2年弱前 | 1

| 採用済み

回答済み
Plot two areas of logarithmic plots
load('data_x.mat') figure; plot(x1,y,'b','Linewidth',1); hold on; plot(x2,y,'r','Linewidth',1); set(gca,'xscale','log','...

2年弱前 | 0

| 採用済み

回答済み
Variable Browser Tab Issue
It looks like the Variable Browser for that particular variable became undocked. See the following answer for how to dock it aga...

2年弱前 | 0

| 採用済み

回答済み
Need help in MATLAB tiled layouts (nested)
Something like this? t=tiledlayout(2,2); [X,Y,Z] = peaks(20); % Tile 1 t1=tiledlayout(t,1,2); nexttile(t1) surf(X,Y,Z) ne...

2年弱前 | 1

| 採用済み

回答済み
how to create array datetime
load matlab_A A hh = floor(A(:,4)/100); mm = mod(A(:,4),100); ss = zeros(size(A,1),1); B = [A(:,[1 2 3]) hh mm ss]; D ...

2年弱前 | 1

| 採用済み

回答済み
Overlaying three functions on a single plot
To avoid the error, use element-wise multiplication (.*), because * is for matrix multiplication. https://www.mathworks.com/hel...

2年弱前 | 0

| 採用済み

回答済み
>> qardl(data, ppp, qqq, tau) Unrecognized function or variable 'data'.
To run this function, you'd need to supply the inputs data, ppp, qqq, and tau. These are described in the comments at the top of...

2年弱前 | 0

回答済み
Why does the tiledlayout keep the whitespace between tiles although TileSpacing is 'tight'
I guess the "tiled" part of "tiledlayout" implies that all contained axes are the same size and that the amount of space between...

2年弱前 | 0

| 採用済み

回答済み
Crashing on size(img)
You have a variable called "size". If this is a script, do clear size and then run the script again. If this is a ...

2年弱前 | 1

| 採用済み

回答済み
Sort Table Variable with Cell Arrays
t = table(t1,t2); [~,idx] = sort(t1(3:end)); t = t([1; 2; 2+idx],:);

2年弱前 | 0

回答済み
Why is my code seemingly ignoring some of the for loop commands?
d is computed anew on each iteration of the for loop; thus after it's done the result you see is the last d that was computed, e...

2年弱前 | 1

回答済み
Error due to not enough input arguments in ' C_c = cold.m_dot_c*Cold.c_p_c; %W/K '
The function find_UA expects two inputs. If you provide fewer than two inputs (e.g., by clicking the green Run button in the MAT...

2年弱前 | 0

回答済み
How can I display a line in 3D with a colour gradient?
n = 10; x = linspace(1, 2, n); y = cos(x); z = y.^2; points = [x' y' z'] surf(points(:,[1 1]),points(:,[2 2]),points(:,[3...

2年弱前 | 2

| 採用済み

回答済み
Timer function to refresh the data
Make timerObj an app property so that the functions within your app can access it. properties (Access = private) timerObj ...

2年弱前 | 0

| 採用済み

回答済み
using bar3(z) to plot in unusual data visualization
red_data = [ 5 5 20 35 15]; blue_data = [30 25 20 15 5]; green_data = [30 25 35 5 5]; Nr = numel(red_data); Nb = nu...

2年弱前 | 0

| 採用済み

回答済み
Removing empty cells from cell array with multiple rows while preserving the rows
C = { ... 'Right knee','Head','Elbow/forearm',[]; ... 'Hand/wrist',[],'Pelvis',[]; ... [],[],'Ankle/foot',[]; ......

約2年前 | 0

| 採用済み

回答済み
How code with for loop to get an array?
You can make I a 3D array of size Nx-by-Nx-by-numel(F). clc;close all;clear all; lambda = 532; k = 2*pi/lambda; z=[1.037000...

約2年前 | 0

| 採用済み

回答済み
Why is this dot notation used?
.' is transpose, and ' is complex conjugate transpose, so when x is real, x.' and x' are the same. Example, real x: x = magic(...

約2年前 | 0

| 採用済み

回答済み
Input folders or files contain non-standard file extensions.
The error is happening on this line: ads = audioDatastore(output_dir, ... 'IncludeSubfolders',true, ... 'LabelSource'...

約2年前 | 0

回答済み
Pass variable name through variable of a custome save function made error
In saveModel, the variable model is a string variable containing the name of the struct variable you want to save, right? The p...

約2年前 | 0

| 採用済み

回答済み
How to use my Line and Collum in Excell as X and Y for my graphic?
xlim(x([1 end]))

約2年前 | 0