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# Shounak Shastri

##### Last seen: 1 month ago
40 total contributions since 2014

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Answered
Averaging z values for xy gridded data
Hello Ara, So the brute force implementation would be to run a search through your data and check the lat and lon values. If th...

10 months ago | 0

Answered
how do I substitute all negative values in a vector with a random number between 0 and 2
The simplest (but not the most efficient) way to do this would be to inititalize a for loop and run through all the elements one...

1 year ago | 0

Answered
How do I compute the correlation between corresponding rows of two matrices?
From what I know, Correlation Matrices are usually square. As in you have 10000 rows with 60 elements in each row. So if you tak...

2 years ago | 0

Answered
How to xor key with the element by element in an array?
Here, try this I = randi([1,10],5); %Input matrix [m, n] = size(I) %Size of the input matrix for loo...

2 years ago | 0

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Error using mex: No supported compiler or SDK was found
You need to download and install a compiler first. Go to the add-ons and click on get add-ons. You will get a list of add-on...

2 years ago | 0

Answered
How to plot multiple Y in the form of samples in the same X
Try this, plot(x1, y1, 'r*', x2, y2, 'yo', x3, y3, 'ks'); Here, I have taken (x, y) from a1 as (x1, y1), (x, y) from a2 a...

2 years ago | 0

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Answered
Could anyone tell me how to omit zero values while plotting the graph
You can try this A1 = A(A ~= 0); % Removes the zeros from A plot(A1); hold on; plot(B); hold off; Hope this helps...

2 years ago | 0

Answered
Construct a square wave
I cannot give you the exact code because its a homework assignment. But this should lead you towards the answer. So the signa...

2 years ago | 0

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Answered
How to subtract Black and White image from RBG Original image.
You cannot subtract the image because the two images are of different dimensions. You can check this in your workspace. Consider...

2 years ago | 0

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Answered
How do I make my data from a while loop into a table of vectors?
"How do I make my data from a *while loop* into a table of vectors?" I have modified the code you gave in your question. ...

2 years ago | 0

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Answered
Type of license file
It depends on what license your institution uses. For example, our institution uses an academic license for total headcount ...

2 years ago | 0

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Compare the result of loop
Add a temp variable in your code and store the new UtilityD value in temp. At the end you can just add a if statement as foll...

2 years ago | 0

Answered
How to compress a location map using JBig compression?
This code from what I know is from <https://in.mathworks.com/matlabcentral/fileexchange/5104-toolbox-wavelets> toolbox. Down...

2 years ago | 0

Answered
i have applied huffman coding and decoding from matlab/simulink for digital communication by won y yang
Usually compression doesn't work well for data which has uniform distribution. Almost all natural images follow this trait. You ...

2 years ago | 0

Answered
Signal Phase using FFT
_"I have to extract the phase of the signals and the average phase displacement using FFT"_ Use the "fft" and the "fftshift" ...

2 years ago | 0

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Answered
How to save whole output of the script? (387 figures grouped into one figure window, each figure in its own tab)
I think you might find a clue here, <https://in.mathworks.com/matlabcentral/answers/228691-organize-several-figures-using-tab...

3 years ago | 0

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

3 years ago

Answered
how to convolute two discrete impulse functions
x[n]= -delta[n+1] + 0.5delta[n] + 2delta[n-1] h[n]= 2delta[n] + delta[n-1] _"I don't know how to write the two signals in ...

3 years ago | 1

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Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

3 years ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

3 years ago

Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

3 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

3 years ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

3 years ago

Solved

Add two numbers
Given a and b, return the sum a+b in c.

3 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 years ago

Answered
convolution of two unit step functions.
*1.* The first thing you need to know is that in Matlab, the array index starts from 1 and not from 0. So if you write x(0)=1, y...

3 years ago | 1

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Answered
Hi all! Is there a way to initialize row vectors like this:
_"No, it's a single row vector."_ Based on this I will assume that R,G and B are also row vectors. Say, x=1:30 You...

3 years ago | 1

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Answered
Process an image depending of the peaks of its histogram
*"I'm looking for a matlab function that let me analyse different regions of an image depending of the peaks of its histogram."*...

3 years ago | 0

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