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# kowshik Thopalli

Last seen: 9 months ago Active since 2016

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Reshaping/vectorizing a n-d matrix to a vector along each dimension
Lets say I have a matrix given by a=randn(4,4,5); How do I get a 80*1 vector along each dimension. That is ...

5 years ago | 1 answer | 0

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5 years ago

How to utilize nodes to plot a 3D object?
Ok. I have attached the script to do this. You are reading the data wrong. I have also attached the image. Hope this helps. ...

5 years ago | 0

Develop a Matlab function that remove all zeros  in an input vector(using while  loop)
I agree with cvklpstunc that you dont need a while loop. If you are still looking for a while loop implementation, here is the c...

5 years ago | 0

Distance from time and velocity vectors..HELP
trapz cannot be used here because you are passing only one value for x and y. Moreover direct integration is not t...

5 years ago | 0

Question

Optic FLow only on interest points
I was wondering if there is any method to compute optical flow between two frames only considering key or interest points(which ...

5 years ago | 1 answer | 0

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Question

Hand segmentation from an RGB and depth image obtained from kinect device
Hi all. I am trying to use the <http://eeeweba.ntu.edu.sg/computervision/people/home/renzhou/HandGesture.htm dataset> from this ...

5 years ago | 1 answer | 1

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How to save iteration values as array if for loop- for t=0:0.5:3?
Use another index value outside the loop and keep updating it inside the loop such as index=1 for t=0:0.5:3 ...

5 years ago | 1

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How to change the positions of elements in a vector?
Using the find() function you can do this very easily. [R,c]= find(myVector==3) This gives you the positions of ...

5 years ago | 0

How do I delete columns from a matrix based on an array
As you can imagine there is more than one way to do this. here is one method.Not elegant but works A=[4 3 5 6 7; 1 4 ...

6 years ago | 1

Empty Matrix: 1-by-0 error
help linspace() y = linspace(x1,x2,n) generates n points. The spacing between the points is (x2-x1)/(n-1). so here...

6 years ago | 0

I am new in MATLAB. Please suggest me the procedure for how to pass the dataset files to the TreeBagger classifier.
Below is the Matlab documentation. Go through this. It is well written. https://www.mathworks.com/help/stats/treebagger.html ...

6 years ago | 0

How to find an unknown parameter from a equation fitted to a data-set in MATLAB 2016b ?
I might be wrong here. If you know all of these values and dont know only n cant you just find n through algebra. I mean solvi...

6 years ago | 0

Compare results of three cells
Assuming you wish to find the maximum of the corresponding elements in each cell cell1={rand(1,120)}; cell2={rand(1...

6 years ago | 0

Help with a minimize problem
I dont understand. two_var =@(x) 242*log(1-x(1)-x(2))+120*log(2*x(1)-x(1)^2-2*x(1)*x(2))+79*log(2*x(2)-x(2)^2-2*x(1)*x...

6 years ago | 0

How to find the number of repeating sequence in an array?
You can do the following. Treat the sequence as a string. Divide the string into a cell with each cell containing 3 digits. Then...

6 years ago | 0

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Question

How to join or merge two Image Data Stores?
If I have two image datastores and I wish to concatenate them. How can I do that? Thanks

6 years ago | 6 answers | 3

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Question

Split an ImageDatastore with every 'pth' file per label
Hi, the splitEachLabel() for the imageDatastore() when used as if true [imds1,imds2] = splitEachLabel(imds,p) end ...

6 years ago | 1 answer | 0

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6 years ago | 1

Question

How to nest a cell array with existing cell array
Hi, I have a cell array Cells which is 1 x 190, and each cell is again a 1 x 20 cell array. Now for each cell in this 1 x 20 arr...

6 years ago | 1 answer | 1

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vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

6 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

6 years ago

Solved

Find a subset that divides the vector into equal halves
Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

6 years ago

Solved

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

6 years ago

Solved

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

6 years ago

Solved

Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

6 years ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

6 years ago

Solved

Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

6 years ago