# Jayanta Deb

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**Content Feed**

Question

Connect all the plots with the previous plot

Hello, I am running a code within while loop(infinite) and need to plot the points in graph. Now the loops consists of a time ...

4 years ago | 1 answer | 0

### 1

answerRecognize a value from the desktop screen

Finally I got the solution,I am writing, so someone may find it helpful. I used a software called green screen grabber and prog...

4 years ago | 0

Question

Recognize a value from the desktop screen

Hello, I have a question. I want to apply OCR(Optical Character Recognition) for a particular part of another software to g...

4 years ago | 1 answer | 0

### 1

answerI have question of FFT(fast fourier transform)

If you don't calculate the frequency scale correctly then while plotting the FFT's out come you wont be able to plot it properly...

4 years ago | 0

Question

How to fire the run button automatically for an .m file after a interval of time?

Hello All, I want to run a Matlab(.m file in this respect) file infinitely until I press anything(any key or something, I think...

4 years ago | 1 answer | 0

### 1

answerQuestion

Filter out a particular frequency from a mixed signal

Hi All, I have a signal of mixed frequency 11 hrz, 50 hrz, 9000 hrz, and I want to filter out the 50 hrz signal from the mixed...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to find the median in a zero crossing?

Hello, I have calculated zero crossings for a certain signal named 'zip9'. and plotted with a star mark on it. As shown in the...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to split a vector in to sub vectors?

I have a vector 'v' of size 8812x1,I want to split it into 20(or known length n) sub-vectors. eg. v = {1,2,3,...,8812} I wi...

5 years ago | 3 answers | 0

### 3

answersQuestion

Find the vector of medians

say I have a vector v =[1,2,3,-1,-2,-3,4,5,6,-7,-6,-3,-5,-4,...] I want to make a vector which consists of the values of...

5 years ago | 1 answer | 0

### 1

answerQuestion

Zero-crossing calculation

Hi all, I need a script which can calculate zero crossing of the signal. I have the value of x and y. The script should be abl...

5 years ago | 2 answers | 0

### 2

answersHow can i set up my Picoscope Device in Instrument Control Toolbox?

I have tried the upper solution of how to set up the picoscope with matlab-alas! it doesn't work. According to their new drive...

5 years ago | 2

Question

Plot a sine wave with the following... how to plot it?

Create a time vector, sine wave, 5 periods, 1 kHz, amplitude 2 volts in 5 x 1024 samples (time axis) as well as 5 periods in 409...

5 years ago | 2 answers | 0

### 2

answersQuestion

How to prevent xlswrite to overwrite the present values?

Hello Everyone, I have some variables which need to get copied in an excel sheet. The variables gets changed every time I execu...

5 years ago | 1 answer | 0

### 1

answerQuestion

Find the consecutive positive and negative elements for the entire array

Hello all, I have a channel from which I take around 1 million samples now it contains both positive and negative values in it....

5 years ago | 2 answers | 0

### 2

answersQuestion

how to sort the vectors to positive n negative of same elements?

Hi All, say i have a vector v = [1,-2,3,4,5,6,7,8,9,77,44,88,99,-1,95,-6,-7,-8,-9] now i want to check element by element if...

5 years ago | 1 answer | 0

### 1

answerHow to get zero crossing for a vector and the values of each crossing?

Now i have attached the matlab file you can find everything there. i need to have the zero crossign indexes and the values for t...

5 years ago | 0

Question

How to get zero crossing for a vector and the values of each crossing?

<</matlabcentral/answers/uploaded_files/71316/untitled.jpg>> I have a signal generator and it displays square wave , now ther...

5 years ago | 1 answer | 0