I am an Application Support Engineer at Mathworks.

I am interested in Communication, Signal Processing and Deep learning.

DISCLAIMER:Any advice or opinion here are my own, and in no way reflect that of Mathworks.

Answered

Centered FFT & DFT: cannot devise required phase shift vector(s).

fftshift will shift the zero frequency components to the center of the spectrum.

Centered FFT & DFT: cannot devise required phase shift vector(s).

fftshift will shift the zero frequency components to the center of the spectrum.

1 month ago | 0

Answered

How to change vertical alignment on worldmap figure?

The following code will move the meridian (longitude) labels to ‘baseline’ position. load korea map_axis = worldmap(map, ref...

How to change vertical alignment on worldmap figure?

The following code will move the meridian (longitude) labels to ‘baseline’ position. load korea map_axis = worldmap(map, ref...

1 month ago | 0

| accepted

Answered

How to create a bounding box with a right angled triangle.

I assume that a bounding box is needed to be drawn over a right-angled triangle. x1 = [0 1 0]; y1 = [0 0 1]; polyin = poly...

How to create a bounding box with a right angled triangle.

I assume that a bounding box is needed to be drawn over a right-angled triangle. x1 = [0 1 0]; y1 = [0 0 1]; polyin = poly...

1 month ago | 0

Answered

How to find cells corresponding to zero lag in an autocorrelation function

The zero lag produces the highest value in the autocorrelation output. Hence simply finding the maximum value of the autocorrela...

How to find cells corresponding to zero lag in an autocorrelation function

The zero lag produces the highest value in the autocorrelation output. Hence simply finding the maximum value of the autocorrela...

1 month ago | 0

| accepted

Answered

anyway to call checkbox in appdesigner programmatically?

I assume that you have already created a checkBox in app-designer, and you want to check or uncheck the checkBox programmaticall...

anyway to call checkbox in appdesigner programmatically?

I assume that you have already created a checkBox in app-designer, and you want to check or uncheck the checkBox programmaticall...

1 month ago | 0

Answered

Why doesn't audiowrite write metadata (title, etc) to wav file?

Refer similar question, https://in.mathworks.com/matlabcentral/answers/480095-audiowrite-function-is-not-saving-the-title-or-ar...

Why doesn't audiowrite write metadata (title, etc) to wav file?

Refer similar question, https://in.mathworks.com/matlabcentral/answers/480095-audiowrite-function-is-not-saving-the-title-or-ar...

1 month ago | 0

Answered

Audiowrite function is not saving the title or artist information

The MATLAB function audiowrite correctly writes the title as well as Artist information to the file created. You can verify the ...

Audiowrite function is not saving the title or artist information

The MATLAB function audiowrite correctly writes the title as well as Artist information to the file created. You can verify the ...

1 month ago | 1

| accepted

Answered

create gui using matlab

You can implement the GUI using MathWorks App Designer. Invoke App Designer by entering appdesigner in MATLAB Command Window an...

create gui using matlab

You can implement the GUI using MathWorks App Designer. Invoke App Designer by entering appdesigner in MATLAB Command Window an...

2 months ago | 0

Answered

Noise Power for the Band limited white Noise Block

The Noise Power Parameter Specify the height or the y-axis of the PSD (Power spectral density) of the white noise. Hence the uni...

Noise Power for the Band limited white Noise Block

The Noise Power Parameter Specify the height or the y-axis of the PSD (Power spectral density) of the white noise. Hence the uni...

2 months ago | 0

Answered

Reinforcement Learning Toolbox: Discount factor issue

In the Episode Manager you could view the discounted sum of rewards for each episode named as Episode Reward. This should be the...

Reinforcement Learning Toolbox: Discount factor issue

In the Episode Manager you could view the discounted sum of rewards for each episode named as Episode Reward. This should be the...

2 months ago | 0

Answered

Trying to find best fit of the shape y = a/(x-b)+c. Getting warning of badly conditioned polynomial sometimes but not always.

Try scaling and shifting the input x such that the mean of x is zero and the standard deviation as one. This scaling and shiftin...

Trying to find best fit of the shape y = a/(x-b)+c. Getting warning of badly conditioned polynomial sometimes but not always.

Try scaling and shifting the input x such that the mean of x is zero and the standard deviation as one. This scaling and shiftin...

2 months ago | 0

Answered

can someone explain the error in this input for loop

If you can see the issue again, revert with the error message and the code you have used. Also correct the usage of fprintf comm...

can someone explain the error in this input for loop

If you can see the issue again, revert with the error message and the code you have used. Also correct the usage of fprintf comm...

3 months ago | 0

Answered

Wave Upward Zero Crossing Function

The variable len3 is defined in the following loop. if xDetrended(1,1)==0 & xDetrended(2,1)>0 len3=1; end if (xDetrended(1,...

Wave Upward Zero Crossing Function

The variable len3 is defined in the following loop. if xDetrended(1,1)==0 & xDetrended(2,1)>0 len3=1; end if (xDetrended(1,...

3 months ago | 0

Answered

Communication Toolbox General CRC Generator

Since your data is an array of integers and the General CRC Generator block expects binary, you could use an integer to bit conv...

Communication Toolbox General CRC Generator

Since your data is an array of integers and the General CRC Generator block expects binary, you could use an integer to bit conv...

3 months ago | 0

Answered

how to Use cumsum for a random variables of times to reach a certain value

I understand that you have packet arrival times generated randomly and I assume you want to find the number of packet arrival in...

how to Use cumsum for a random variables of times to reach a certain value

I understand that you have packet arrival times generated randomly and I assume you want to find the number of packet arrival in...

3 months ago | 0

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Solved

Mandelbrot Numbers

The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

5 months ago

Solved

Remove the small words from a list of words.

Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

5 months ago

Solved

Find the palindrome

Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

5 months ago

Solved

Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

5 months ago

Solved

Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

6 months ago

Solved

Find the peak 3n+1 sequence value

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

6 months ago

Solved

It dseon't mettar waht oedrr the lrettes in a wrod are.

An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

6 months ago

Solved

Summing Digits within Text

Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

6 months ago

Solved

Test for balanced parentheses

Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

6 months ago

Solved

Find the two-word state names

Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

6 months ago

Solved

Kaprekar Steps

6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

6 months ago

Solved

Read a column of numbers and interpolate missing data

Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

6 months ago

Solved

Implement a ROT13 cipher

Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

6 months ago

Solved

Clean the List of Names

Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

6 months ago

Solved

Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

6 months ago