Answered
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);

8 years ago | 0

Answered
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...

8 years ago | 1

Answered
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...

8 years ago | 0

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

8 years ago | 0

Answered
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...

8 years ago | 0

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Question

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...

8 years ago | 1 answer | 2

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Answered
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...

8 years ago | 1

| accepted

Question

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)....

8 years ago | 2 answers | 0

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Answered
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...

8 years ago | 0

Answered
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...

8 years ago | 1

Solved

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...

10 years ago

Solved

inner product of two vectors
inner product of two vectors

10 years ago

Solved

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

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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 + ...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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...

10 years ago

Solved

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...

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

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

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

10 years ago

Question

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 ...

11 years ago | 1 answer | 0

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Question

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...

11 years ago | 1 answer | 1

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Question

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....

11 years ago | 0 answers | 1

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Answered
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...

11 years ago | 0

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Question

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...

11 years ago | 1 answer | 0

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