Answered
How can I add an expiration date and time to my script or P-code file?
One way that you could do it would be to put a line in your *.m file code that checks the date [using, for example, the now() fu...

alrededor de 1 mes ago | 0

Answered
list names in an array
I'm pretty sure there is a better, simpler way to do this, but I believe this does what you want: s = dir; fileList = cellfun(...

alrededor de 1 mes ago | 1

Answered
I need some help with arrayfun
I believe that groupsummary is for data stored in tables only. You can do what you want with [sortedResponses,~,idx] = unique(...

alrededor de 1 mes ago | 0

Answered
How to do feature selection by maximizing Rsquared for linear regression model ?
I believe you just need to redefine the critfun function from the one in the example: function dev = critfun(X,Y) model = fitg...

alrededor de 1 mes ago | 0

Answered
How do I optionally disable code for a missing toolbox?
All credit to Walter, but I believe you'll want to do this test: license('test','Distrib_Computing_Toolbox')

alrededor de 1 mes ago | 0

Answered
Why the script of function is always stored in two files ".m" and ".m~"?
It is an auto-saved backup file. See this page for details.

alrededor de 2 meses ago | 2

| accepted

Answered
How to plot???
I suggest you take a look at the MATLAB Plot Gallery to find something similar, and use that as a starting point. It looks like ...

alrededor de 2 meses ago | 0

Answered
how to calculate integral pdf ?
The probability is the integral of the PDF over a range. You can approximate that integral as a sum: pdf = @(x) 2*x; x1 = 0;...

alrededor de 2 meses ago | 0

| accepted

Answered
Error: Cannot set support to 'positive' with non-positive data.
You've checked that your data are non-negative, not they're positive. I'm guessing that you have zeros, and the positive-support...

alrededor de 2 meses ago | 1

| accepted

Answered
Do I need to reference matlab in an academic paper?
The most common thing I have seen is to state the software and version used (e.g. MATLAB ver. R2018b), within the Methods sectio...

alrededor de 2 meses ago | 0

Answered
Excluding date from date and time
You should be able to use the timeofday function. The resulting output will be a duration array.

alrededor de 2 meses ago | 0

Answered
Error in Mosaicing (line 44) new_img(i,k) = N(i,k-Index+1);%%to stich the 2nd image after index. Index exceeds matrix dimensions. what does this mean?
It means that when MATLAB tries to do the operation new_img(i,k) = N(i,k-Index+1); that either new_img is a smaller array tha...

alrededor de 2 meses ago | 0

Answered
the command after "if" not work after awhile
My best guess here is that you are running up against the limitations of floating point computation. For example, try putting th...

2 meses ago | 2

| accepted

Answered
How do I get a bar chart in the newest version but with the colors from an older version?
There are utilities (e.g. "Digital Color Meter" on a Mac) where you can hover your cursor over a pixel on the screen, and it wil...

2 meses ago | 0

Answered
How a matlab function or toolbox works?
A cursory look at the software engineering career postings on the Mathworks site suggests that current development is in C, C++,...

2 meses ago | 2

Answered
Random Test Dataset With More Values Of One Type
One simple approach would be: split your dataset into the y=0 set and the y = 1 set do the 80/20 training/test split on the y=...

2 meses ago | 1

Answered
is there any way to use both Spearman and Euclidean distance using knnsearch ?
No, they cannot both be used within a single call to knnsearch. I don't really see how "merging" would really be that helpful. ...

2 meses ago | 1

| accepted

Answered
How can I separate complex numbers from the other in a matrix?
% Example data z = [1 1+2*i 3 4+5*i] mask = imag(z)==0; The variable mask is a logical variable that is TRUE at the locatio...

2 meses ago | 2

| accepted

Answered
Finding the locations of non-similar value cells
I'm not certain I understand exactly what you want, but this is my best guess: % Define input arrays CA = {[-10 2],[6;6]}; CB...

3 meses ago | 0

Answered
NIST Randomness test execution
The answer from Peter Perkins here is old, but I believe it is still accurate.

3 meses ago | 0

| accepted

Answered
For every matrix row find rows within the same matrix that have more than one common element in same index below the row
Here is a start at a solution for you. A = [ 1 2 3 1 4 5 3 4 5 1 2 4 1 2 5 2 4 5]; for i = 1:size(A,1)-1 r{i} = f...

3 meses ago | 0

| accepted

Answered
Serious mistake installing Matlab
Does this documentation page about uninstalling MATLAB help?

3 meses ago | 0

Answered
How to write cell arrays in Excel?
I use cellwrite from the File Exchange.

3 meses ago | 0

Answered
I would like to call a row element from a matrix however, the row is written inside another matrix
If T is the temperature matrix, then it sounds like maybe you want to do T(A(1)) Or use a loop to access more rows of T? for ...

3 meses ago | 1

Answered
ismember 0×0 empty logical array to logic
Making a huge guess here, but are you sure you don't mean ~ismember(ID,A) rather than ~ismember(A,ID) Then, assuming ID is a...

3 meses ago | 0

Answered
replace random data with dataset
My best guess at your error is that your randomly generated data consists of two [1 x numP] row vectors, but when you read your ...

3 meses ago | 0

Answered
How to find a polynomial of degree 2 that fits the given data with minimal approximation error? and then sketch discrete points and the graph of the polynomial
You could use the polyfit and plot commands (and of course a few more fundamental calculations like subtraction) to do this.

4 meses ago | 0

Answered
draw circle through two given points in plot
In general, there are an infinite number of circles that pass through two given points. If you don't care which one, then one p...

4 meses ago | 1

Answered
Reading file with variable name
for n = 1:16 filename = sprintf('PPT%d.TXT',n) end That loop creates the filenames you need, with the '%d' in the sprintf...

4 meses ago | 1

Load more