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Question

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

### 1

answerSolved

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

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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answersQuestion

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

### 1

answerQuestion

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

### 1

answerQuestion

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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answerscorrcoef 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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answerQuestion

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

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answerQuestion

Delay using Cross correlation

I want to find the delay between the two signals using xcorr block in the Matlab. When i give two signals to xcorr block, i'm ge...

11 years ago | 2 answers | 0