Voss

Last seen: Today | 自 2013 起处于活动状态

Followers: 9 Following: 0

消息

统计学

All

Feeds

已回答
Is there a meaningful guideline on when to use parentheses vs square brackets vs curly brackets in writing MatLab code?
If you share a particular snippet of code that is confusing, someone here can probably explain it. (Of course, that code may be ...

16 hours 前 | 1

已回答
How do I print a % character into a file
fprintf(app.SessionFile,"%s",str);

17 hours 前 | 0

已回答
How do I create a timetable from a file that contains several data columns with associated time columns?
txtArray= {'Sig1_Time' 'Sig1_Value' 'Signal2_Time' 'Sig2_Value' 'Sig3_Time' 'Sig3_Val...

19 hours 前 | 0

已回答
Why is my table getting all the same values when it shouldn't?
The basic problem is that R and C are vectors, and the Simulink model appears to only use the first element in that case. The s...

20 hours 前 | 0

已回答
how do I load zip file in matlab code?
Use <https://www.mathworks.com/help/matlab/ref/unzip.html unzip> to extract the files from the zip archive. Then read/load the r...

2 days 前 | 0

已回答
How can I write data to a text file in a user-specified location that is already populated with a standard header?
You can call writematrix with 'WriteMode','append' to write the data to a text file that already contains the header. So the co...

3 days 前 | 0

| 已接受

已回答
How to correctly adjust the FaceColor property of patch objects in a figure with a legend?
fig = openfig('cylinder.fig','visible'); There are actually 12 patches in the figure all_patches = findall(fig,'Type','patch')...

3 days 前 | 1

| 已接受

已回答
undo a command in matlab plotting in 2d
In the figure window go to Tools menu > Edit Plot. Using the mouse cursor select the line you want to remove, then either right-...

4 days 前 | 0

已回答
Issue with plotting order
Data = readmatrix("FigureOfMeritResults.xlsx"); % Extract data Date = Data(469:1908,1); FoM = Data(469:1908,3); GHI = Data(4...

4 days 前 | 0

已回答
Plots coming out weird
You likely have pre-existing X and Y variables in your workspace, which are being plotted in their entirety. Since the code show...

5 days 前 | 0

已回答
Separating and indexing (k-wave) datasets to different planes/coordinates
One way to separate the the data for the two sensors is using the following approach % Extraer resultados de sensor1 y sensor2 ...

6 days 前 | 0

已回答
assign the fields of a structure correctly
Assuming the set of table variable names is the same between d1 and app.Preset_UITable.Data (but potentially in a different orde...

6 days 前 | 1

| 已接受

已回答
Why converting from Spherical to Cartesian using the command "sph2cart" gives different values than converting it manually by writing the equations of each coordinate?
Assuming theta is azimuth and phi is elevation, your equations would be (from the documentation): x = r .* cos(phi) .* cos(thet...

7 days 前 | 1

| 已接受

已回答
Turning a 1x3001 array into a 14x3001 array to make two things the same size and perform math on them...
You don't have to explicitly repeat the 1x3001 row vector 14 times in order to add it to the 14x3001 matrix. Here's an example ...

7 days 前 | 0

| 已接受

已回答
how to make figure full axes
Setting the figure's WindowState property to 'fullscreen' may achieve the desired effect, e.g.: fig = figure('Units', 'pixe...

8 days 前 | 1

| 已接受

已回答
Why do I get "Array indices must be positive integers or logical values" error ?
When i is 100, Per(100-i) is Per(0), which causes the error since 0 is not a valid index in MATLAB.

8 days 前 | 2

已回答
Why does Tiledlayout return error when using a figure with datetime as x-axis?
datetime x-axis is supported in tiledlayout. Here's an example: x = datetime(2024,9,3):hours(1):datetime(2024,9,5); y = rand(s...

9 days 前 | 1

| 已接受

已回答
How to use different colormaps for different function in mesh plot.
Here is one way: % data x = linspace(-3,3,100); y = linspace(0,3,100); [X,Y] = meshgrid(x,y); Rho2 = X.*X + Y.*Y; Z = exp(-...

9 days 前 | 1

| 已接受

已回答
Plot multiple graphs on the figure using plot(y,linespec)
Use hold on y_vec_1 = rand(1,10); y_vec_2 = rand(1,15); y_vec_3 = rand(1,20); figure(); plot(y_vec_1,'*-r');%gz; hold on...

10 days 前 | 0

已回答
2×0 empty double matrix
"why is SAB21 returning " 2×0 empty double matrix"?" Because the expression 2:1 evaluates to an empty vector. SAB21 = SB (3:4,...

10 days 前 | 0

| 已接受

已回答
Can I used Unique to find unique x,y,z coordinates in table data?
load('matlab.mat') T = summaryTable1 [g_idx,result] = findgroups(T(:,[1 2 3])); vars_1 = {'meanZm','meanGAIpred'}; vars_0 = ...

10 days 前 | 0

已回答
Import mutilple excel files and save then individually as matlab tables, and finally synchronize the timetables
% specify source and destination directories source_dir = 'C:\Wind_Data_Rows_Deleted_2023\test'; dest_dir = 'C:\Wind_Forecast_...

10 days 前 | 0

| 已接受

已回答
Set current axes by using axes() is not wokring
To plot like that in a uifigure, make the uifigure's HandleVisibility 'on' (it's 'off' by default), e.g.: app.UIFigure.HandleVi...

10 days 前 | 0

| 已接受

已回答
Update UIAxes in App1 after computation in App2
% Button pushed function: GotoApp2Button function GotoApp2ButtonPushed(app, event) app.app1handle = findall(0, 'Name', 'My...

11 days 前 | 0

| 已接受

已回答
Storage columns of data from excel sheet on matlab table cell
"I want to create a matlab table" but you show a cell array. These methods create a cell array as you describe: Method 1: T = ...

11 days 前 | 1

| 已接受

已回答
Unable to use title() for image.
You have a variable called title preventing you from using the title function. Clear it: clear title and then run you...

12 days 前 | 1

| 已接受

已回答
How to Remove Specific Rows in a Multi-Column Array Based on One Column's Values
data = [1:10; 0.3*rand(1,10)].' idx = data(:,2) < 0.1; data(idx,:) = [] The removal of the rows could also effectively be d...

15 days 前 | 0

已回答
Count number of nucleotide bases (letters) in file with multiple entries
% this is what the attached file contains: type file.txt data = readlines('file.txt'); ID = regexp(data(1:2:end),'>(.*?):...

15 days 前 | 0

| 已接受

已回答
A simple/efficient way to add one additional xtick, and the corresponding xticklabel, to the existing xticks and xticklabels
plot(1:50) new_tick = 5; ax = gca(); ax.XTick = unique([ax.XTick new_tick]);

15 days 前 | 1

| 已接受

已回答
Logging cmd in multiple diary
You can restore diary logging to log1.txt after logger2 finishes: logger1(); function logger1() logName = fullfile(pwd,...

16 days 前 | 0

加载更多

Voss

统计学

Community

Community

MATLAB Answers

MATLAB Answers

Cody

Cody

MATLAB Answers

MATLAB Answers

MATLAB Answers

MATLAB Answers

MATLAB Answers

Cody

Feeds

WeChat