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# Sravantej

Active since 2011

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Extracting the data
hi,i have a vector consisting of a very few non zero values and remaining all zeros, i need to extract only the non zero values ...

10 years ago | 1 answer | 0

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collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...

10 years ago

Solved

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

10 years ago

Solved

inner product of two vectors
inner product of two vectors

10 years ago

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

10 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...

10 years ago

Solved

Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

10 years ago

Solved

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.

10 years ago

Solved

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

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

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

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

Running through a loop and storing values
hi stephen, you might be getting onlt the last values of Q11bar, Q22bar....this is because you are using just Q11bar instead of ...

10 years ago | 0

Question

Attenuation as a function of distance and frequency
Hi, i have a non stationary signal whose frequency varies with time.When i implant that signal in power line, it will experiance...

10 years ago | 0 answers | 0

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Question

FFT vs Time Plot
hi, i have a non stationary signal whose frequency is varying with time and i want to plot its FFT verses time of the signal. Ca...

10 years ago | 1 answer | 0

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Question

time-frequency
hi, i have a signal whose frequency is varying with time, i need to know the frequencies at all the times. I need a plot of the ...

10 years ago | 1 answer | 0

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Question

smart wiring GUI
Hi, I want to analyse the signals in a wire, for that i need smart wiring GUI as shown in the link below(FIG 4).Is there any suc...

10 years ago | 0 answers | 0

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corrcoef command
hi lestyn, you can also get correlation between two vectors using xcorr [x,lag]=xcorr(s1,s2); [max,ind]=max(abs(x)); d...

10 years ago | 0

implementation of time frequency analysis using wigner - ville distributions
hi raj, try the link given below, it is a time-frequency analysis tool that works with matlab where you can find time-frequency...

10 years ago | 1

Question

wigner distribution
Hi, i need the time-frequency analysis of a signal, for that i need to go for wigner distribution. Can anyone please tell me how...

11 years ago | 1 answer | 0

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Question

Multiple delays using cross correlation
I want to find multiple delays between two signals using xcorr in matlab. I'm getting the single delay when i use the following ...

11 years ago | 1 answer | 0