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Guidance with DFT Transform
f = 10; % 10 Hz. t = (0:2047)/100; % 100 Hz sampling rate. x = sin(2*pi*f*t); X = fft(x);

casi 8 años hace | 0

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Automatically define (global) variables
If you really need to use global variable, then I would suggest using structure. Create global structure that stores all your gl...

casi 8 años hace | 1

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how many machine can i install MATLAB ?
Assuming you are talking about Individual License, the magic number is 4. So you can install MATLAB on 4 PCs. These 4 PCs can ru...

casi 8 años hace | 0

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MATLAB and ErleBrain 2.0
Have you looked at the Robotics System Toolbox? It supports the Robot Operating System (ROS).

casi 8 años hace | 0

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Extracting name of variables from cell array
It will be much easier if we can turn your 'A', 'B', 'C', 'D' into 1, 2, 3, 4. For example, >> coef = [1;2;3;4]; >> comb...

casi 8 años hace | 0

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Email Notification in MATLAB Answers
If I am interested in one question in MATLAB Answers and I would like to get an email notification whenever a comment or an answ...

casi 8 años hace | 1 respuesta | 2

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I need to create all a list of all possible states
I have written my own function to do what you are asking for. The trick is to use the MATLAB function *ndgrid*. >> A = allc...

casi 8 años hace | 1

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Fixed-Point Version of TYPECAST?
I really like the MATLAB function *typecast*. It can easily convert between 32-bit integer and vector of bytes (and vice versa)....

casi 8 años hace | 2 respuestas | 0

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How to simulate multiple LTE user equipments (UE) in uplink with fading channel
Hi Leonardo, On the tx side of the uplink, I am assuming that you are able to create one resource grid for one UE for one sub...

casi 8 años hace | 0

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Is there any way to change variable to string for the save function?
I think you may just have a simple typo in one line of your code. Try this, my_result = sprintf('result_%d_%d', data_start,da...

casi 8 años hace | 1

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

más de 10 años hace

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inner product of two vectors
inner product of two vectors

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

más de 10 años hace

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

más de 10 años hace

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

más de 10 años hace

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

más de 10 años hace

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

más de 10 años hace

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

más de 10 años hace

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

más de 10 años hace

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

más de 10 años hace

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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.

más de 10 años hace

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

más de 10 años hace

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US $100 prize for breaking my encryption ...
Hi everyone, I often heard people saying that private secret encryption is never secure (in other words, easy to crack). But ...

casi 11 años hace | 1 respuesta | 0

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Newbie question about simulink "new" file format SLX
Hi everyone, I just found out that in R2012a, there is a new file format called SLX for saving simulink model. SLX is a bina...

alrededor de 11 años hace | 1 respuesta | 1

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Why is property renamed in fixed-point toolbox in R2012b?
Hi everyone, I am just curious why every now and then Mathworks would rename either function or (in this case) property name....

más de 11 años hace | 0 respuestas | 1

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How to turn off cell mode in Matlab editor in 2012b?
I have actually issued a service request to Mathworks and the answer is no. So there is no way to turn off cell mode in Matla...

más de 11 años hace | 0

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Newsgroup or "Ask Question"
Another stupid question to ask. I have not been to the matlab newsgroup for a while. So what do people normally do now if the...

más de 11 años hace | 1 respuesta | 0

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