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Pooja Narayan


Hidalgo Ltd

Active since 2011

Biomedical Algorithm Developer
Professional Interests: Machine Learning, Signal Processing, all real world problems that make data analysis very important

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Can I use two sample KS test here?
I have some data measured before an event occurred and after the event occurred. I have extracted various attributes from data. ...

9 years ago | 0 answers | 0

0

answers

Answered
Ringing effect in time domain reconstructed signal after filtering
Thanks Image Analyst. My justification to the problem was exactly what you explained. With a higher order filter, I was tryi...

9 years ago | 0

Question


Ringing effect in time domain reconstructed signal after filtering
Hi all, I'm trying to band pass filter (9Hz to 70Hz) an ECG signal which is sampled at 256 Hz using MATLAB's 'butter' followe...

9 years ago | 2 answers | 0

2

answers

Question


Scaled Conjugate Gradient - NN toolbox
Hi, I have used MATLAB's 'trainscg' with 'mse' as the performance function and NETLAB's 'scg' with 'mse' as the performance f...

9 years ago | 2 answers | 0

2

answers

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 ...

10 years ago

Solved


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:...

10 years ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

10 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 ...

10 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...

10 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...

10 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.

10 years ago

Solved


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

10 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...

10 years ago

Question


Spectrogram plot - help required
Hi, I have no clue if this is a repetition. I need help to get the spectrogram of a signal which I have generated. My signal...

12 years ago | 0 answers | 0

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answers