Beantwortet
How can I skip the first to lines from a text file and proceed to read the file with header lines in between the values?
You could use readtable and then eliminate the columns and rows associated with the header lines. T = readtable('https://www.m...

mehr als 4 Jahre vor | 0

Beantwortet
How to make a bar graph out of the first and second column of a matrix?
sleeprxn2= [ 0 0.6229 1.0000 0.3404 1.0000 0.2744 ] [groups, gro...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
How do I rotate the view of a cylinder created using surf plot?
Use makehgtform to translate and rotate the object. [X,Y,Z]=cylinder([0 3],1000); M=makehgtform('translate',___,'xrotate',___,...

mehr als 4 Jahre vor | 1

Beantwortet
I want to obtain the values of streamlines and put it into legend.
Your contour lines are all black so a legend of black lines would not be helpful to map the contour values to the plot. I recomm...

mehr als 4 Jahre vor | 0

Beantwortet
Will polyfit work with datetime vectors
I'm also looking for a solution to this and specifically am interested in the y-intercept of a simple linear fit so I can plot t...

mehr als 4 Jahre vor | 0

Beantwortet
remove the zeros in the Matrix
Here's how to remove rows or columns that contain only 0s data = [0 0 0 0; 0 4 5 2; 0 2 5 4; 0 2 4 1] rowsAll0 = all(data==0...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
Adjust legend position outside the figure layout
Since you're using tiledLayout the best option is to specify the layout as shows in this example. lh =legend(__); lh.Layout.Ti...

mehr als 4 Jahre vor | 0

Beantwortet
Is there a better way to initialize the DataTipTemplate field in primitive objects?
I've had this problem with patch objects in the past and I solved it by doing something similar to what you suggested, making a ...

mehr als 4 Jahre vor | 2

| akzeptiert

Beantwortet
Divide date ticks into hours
Use xtickformat | ytickformat | ztickformat which sets the TickLabelFormat of the axes (Matlab R2016b or later) datetick(t...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
How do I round this datetime to the nearest 0.1 second?
dt = datetime(' 01-Oct-2020 04:49:10.350','Format', 'dd-MMM-uuuu HH:mm:ss.SSS') dtRound = dateshift(dt,'start','minute') + seco...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
Do not plot the shape in the middle and polar transformation
This demo uses a cleaned up version of your code and then does the following, Computes center of noisy circle Shifts noisy ci...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
Finding the full width half maximum (FWHM) of a rounded part of peak instead of sharp peaks
This uses rmoutliers to remove the spike and then computes the FWHM of the resultant curve. You can play around with rmoutliers ...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
ttest and confidence interval
I assume you're intentionally avoiding the std() function. However, your calculation of standard deviation is incorrect. s=sq...

mehr als 4 Jahre vor | 1

Beantwortet
Difference between two statements
Good question. See this discussion and if you have any other questions or comments, let's continue the disucssion.

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
the function should find the min value in each row, when I run the code it doesnt print the correct answer. Anyone know whats wrong?
The function returns "A" which is the entire matrix. If you want it to return the minimum value, it should return "min". Howev...

mehr als 4 Jahre vor | 0

Beantwortet
How to keep menu open when selecting option
I have also found this default beahvior frustrating but I do not know a way to keep the menu open after making a selection. I s...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
How can I create another window from menubar in appdesigner ?
I suggest calling an input dialog window from the menu item's callback function. See inputdlg.

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
Name Contour levels outside plot
The following demo produces a contourf plot extracts the coordinates of the contour lines determines which lines intersect w...

mehr als 4 Jahre vor | 1

Beantwortet
Removing "head" entry from doubly linked list
To achieve a circular list where the first and last nodes are circularly connected, follow these 2 steps. Step 1: Modify the c...

mehr als 4 Jahre vor | 1

Beantwortet
How I can use K-fold cross validation for training selection sequentially not randomly?
I suggest identifying each group with a grouping variable. groupID is the grouping variable. % Set these values n = 540; ...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
How to highlight a point?
There are 3 steps to this process. Get the current point of the cursor Find the closest point to the cursor when the cursor i...

mehr als 4 Jahre vor | 2

Beantwortet
Is it possible to only allow brush to select data from certain lines in a plot?
Set HandleVisibility to off (or callback) for the graphics objects you'd like to hide from the brush tool. Note that this will...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
Trying to create a table with a char array as variable names
This demo creates the table you described using random text. histcounts is used to count the number of each letter. The counts...

mehr als 4 Jahre vor | 0

Beantwortet
how do you define a matrix and its variable
Learn about preallocation. Options: i = 4; j = 3; M = nan(i,j) M = ones(i,j) M = zeros(i,j)

mehr als 4 Jahre vor | 0

Beantwortet
how do i create a concentric black and white circles on a color image with different brightness
This uses the gray colormap. n = 20; % number of circles r = [1,10]; % [smallest, largest] radius center = [0,0]; % cen...

mehr als 4 Jahre vor | 0

Beantwortet
How do I start a function at the exact computer clock time?
> How do I start a function at the exact computer clock time? It depends on how you define "exact" and "start". If "start" m...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
I have to select mode from matrix with sliding window of 3X3. How to do that?
n*m sliding mode; slides by intervals of 1 This computes the sliding mode within a 2D window that slides by 1 unit horizontally...

mehr als 4 Jahre vor | 1

| akzeptiert

Beantwortet
"Index exceeds the number of array elements (2)" when it shouldn't?
It looks like this for k = (((j - 1)*5000) + 1):(j*5000) a(k) = y(k); end could be replaced with k = (((j - 1)*5000)...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
How to separate and order timetable data by year
> I now want to be able to obtain a metric for each year and to do this i will need to separate the data into years, keeping th...

mehr als 4 Jahre vor | 0

Beantwortet
Creating a table with only headers
To create an emtpy table with 4 headers, T = array2table(nan(0,4), 'VariableNames', {'Observations', 'Mean', 'Treatment', 'Res...

mehr als 4 Jahre vor | 1

| akzeptiert