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**Content Feed**

Question

Call Strumpack from Matlab

Is it possible to call Strumpack routines for solving low rank structured linear systems? <https://github.com/pghysels/STRUM...

4 years ago | 0 answers | 0

### 0

answersQuestion

Convert Composite to array?

Is it possible to convert a Composite object created with spmd to an array?

8 years ago | 1 answer | 0

### 1

answerQuestion

How to convert optical flow velocity to meters per second?

Hi, I have a calibrated camera and can convert positions from pixels to meters using the transformPointsInverse function. I a...

8 years ago | 1 answer | 1

### 1

answerHow to write an optimization algorithm?? any type of optimization algorithm?? can anyone tell me with the help of a matlab program?

Hi, I forgot to attach, here it is..

8 years ago | 1

How to write an optimization algorithm?? any type of optimization algorithm?? can anyone tell me with the help of a matlab program?

Ok, I send the file again.... but I think there is an error in your function. It is not 30 anywhere... If you find my help usefu...

8 years ago | 1

| accepted

Recommendations on NVIDIA cards for CUDA GPU computing

I agree with the previous answer, it depends on you application of course, but in general Nvidia Geforce cards offers alot of pe...

8 years ago | 0

How can I change camera setting while acquiring video?

I found a solution to the problem for my Fire-i camera. vid = videoinput('fireiimaq',1,'1024X768 Y_MONO 30 FPS'); src = gets...

8 years ago | 0

| accepted

Extracting matrix diagonal with diag(A)

Do you have another matrix in your workspace called diag?

8 years ago | 0

why I got zero answer?

Hi again, I'm not sure I understand your problem. But I send a new file, is it the result you need?

8 years ago | 0

how solve nonlinear equations ?

Look in the documentation for the function lsqnonlin It can solve nonlinear least squares problems.

8 years ago | 0

| accepted

why I got zero answer?

Hi You do the integration in the loop with only 1 value at the time, so the integral should be 0. You should pass vectors to ...

8 years ago | 0

if variable is a matrix then ignore

use the numel function to detect the number of elements in a variable. elements = numel(variable) if elements > 1 you h...

8 years ago | 1

| accepted

logical indexing in one line when choosing from a column

you can use the find function instead

8 years ago | 0

How can I remove NaN values from a matrix?

You can you something like this ind = ~isnan(Columns); Columns=Columns(ind);

8 years ago | 4

"Undefined function 'equationsToMatrix' for input arguments of type 'sym'." Error

The code works for me. Do you have symbolic toolbox installed?

8 years ago | 0

"Subscripted assignment dimension mismatch"?

Those lines 38-43 are never executed. The files you are looking for is in another folder than you .m file. Try to move them to t...

8 years ago | 0

"Subscripted assignment dimension mismatch"?

Your sturcture data only contains the fields "dyad" and "episode" not "MOM" or "BABY" When you get to line 67 the program cra...

8 years ago | 0

How to write an optimization algorithm?? any type of optimization algorithm?? can anyone tell me with the help of a matlab program?

I started with a code to help you. But I don't know how you mean with n(3), If you want to find a single value for n, you cannot...

8 years ago | 1

Matlab with ASUS XTION PRO LIVE

Does it help to install the software packages for usb webcams and OS generic video interface?

8 years ago | 0

where can i find the code of an existing matlab function like "entropy"(for image processing)?

type edit entropy in the command prompy to open a file

8 years ago | 1

| accepted

The plot of this discontinous values does not work.

I send you a file, is it the result you need?

8 years ago | 0

| accepted

In an assignment A(I) = B, the number of elements in B and I must be the same.

I attach a file, is it the result you need?

8 years ago | 0

| accepted

where can i find the code of an existing matlab function like "entropy"(for image processing)?

entropyfilt

8 years ago | 0

The plot of this discontinous values does not work.

There are a couple of issues. First you get complex numbers ( at least I get it when I run your code) so somehow you take the sq...

8 years ago | 0

In an assignment A(I) = B, the number of elements in B and I must be the same.

Hi Your loop condition is not correct I think. It will only run 1 time. At which iteration should it start and finish?

8 years ago | 0

how would my didplay look if a valuse is betwwen 5 and 10

what do you mean? if x >=5 && x<=10

8 years ago | 0

The plot of this discontinous values does not work.

Your y2 and y2_neg variables are not vectors, only scalars You can make a loop and compute the y2 and y2_neg for each value of ...

8 years ago | 0

In an assignment A(I) = B, the number of elements in B and I must be the same.

Hi Your x in the loop is a vector write y(i)=x(i)

8 years ago | 0

Question

How can I change camera setting while acquiring video?

I would like to change my camera's shutter speed while acquiring video using Image Acquisition toolbox. To be specific I wou...

8 years ago | 1 answer | 0