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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...

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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(-...

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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...

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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,...

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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 = ...

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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_...

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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...

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

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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 = ...

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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...

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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...

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

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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]);

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

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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.

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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...

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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 ...

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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 ...

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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...

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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 ...

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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...

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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')...

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Trying to understand how imagesc works compared to scatter.
load('imagesc_confusion.mat') Longitude (xlon) varies first in your data: [xlon ylat meantemp(:)] which means as you go down ...

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How can I add individual error bars to a grouped bar graph plot?
Replace x = reshape([b.XEndPoints],[nGroups, nBars]); with x = vertcat(b.XEndPoints); Example, using random data: x1 = [2.5...

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How to perform a basic division to every x1000 data columns?
load('S.mat') load('spikes_std_mtx.mat') Here is one way: N = size(spikes_std_mtx,2); result = NaN(N,1); for ii = 1:N ...

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Unique function to return last duplicate value
"The data is essentially a ramp up and then a 3 second pause then a ramp down and I want to [split] the data into two variables ...

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Error: unrecognized function or variable "bi2de"
bi2de is a function in the Communications Toolbox; based on the error message you received, I guess that toolbox is not installe...

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Creation of colorbar for given points
% I don't have your image data, so I make % a random matrix to use in imagesc() data = rand(20,20); % read colormap color...

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Plotting random number in a line
If you want to plot points on the x-axis, specify the y-coordinates as zero. X = rand(1,100); Y = zeros(1,100); plot(X,Y,'*')...

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slow drawing of a set of points on a plane
p = [ cos(0:.1:1.9*pi), -1:.2:1, 0*(-1:.2:1) ; sin(0:.1:1.9*pi), 0*(-1:.2:1), -1:.2:1 ] figure plot(p(1,:),p(2,:),'r.') grid ...

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