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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 hours 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 ...

15 hours 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...

17 hours 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...

2 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 ...

2 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...

3 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.

3 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...

4 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(-...

4 days 前 | 1

| 已接受

已回答
I need help with fixing my filtering for EMG signals
This will set the maximum element of normalized_EMG to 100 and scale all other elements accordingly mvc_peak = max(filtered_sig...

5 days 前 | 0

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...

5 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,...

5 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 = ...

5 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_...

5 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...

5 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...

6 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 = ...

6 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...

7 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...

10 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),'>(.*?):...

10 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]);

10 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,...

11 days 前 | 0

已回答
I am having trouble constructing a 'for loop'. Can you suggest me on how to modify it?
One thing I notice is that (-A)^i-1 should be (-A)^(i-1) EDIT: that's now corrected in the question.

11 days 前 | 1

| 已接受

已回答
Reading columns from a poorly-formatted text file
This file looks like a fixed-width file, but it's not quite, because lines 68 and 69 differ in format from the other lines. dbt...

11 days 前 | 0

| 已接受

已回答
How to change Fontcolor xticks and yticks
Assuming you just want to change the color of the x-tick and y-tick labels: plot(1:10) ax = gca(); ax.XAxis.TickLabelColor ...

11 days 前 | 0

| 已接受

已回答
Increasing the line width of box plot whiskers
findobj('Tag','boxplot') finds all* objects whose Tag is 'boxplot'. This includes any object whose Tag is 'boxplot' anywhere in ...

11 days 前 | 0

| 已接受

已回答
I have some code that keeps failing to open and read two csv files out of four. Can someone explain what is wrong with either the code or the csv files
When processing Sample3.csv, post_fun removes every row of table T because index, defined here index = isnan(disp) | isnan(forc...

12 days 前 | 0

已回答
keyPressFcn on a figure: wait untill the user is done annotating.
Here is a code structure that you can run and add to. n_fig = 2; keyInfo = cell(1,n_fig); ii = 1; while ii <= n_fig ...

13 days 前 | 0

已回答
Scatter data to smooth line plot
load U_Au_T100 XY = Pos_UI1; scatter(XY(:,1),XY(:,2)) C = mean(XY,1); XY0 = XY-C; th = atan2(XY0(:,2),XY0(:,1)); [~,id...

13 days 前 | 1

| 已接受

已回答
I need to compare elements that come from different tables
EQID_inter is a numeric array. Bnames_inter.Level is a cell array (whose first element contains the character vector '6000038')...

13 days 前 | 0

| 已接受

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