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Miriam


22 total contributions since 2011

Professional Interests: Neuroscience

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Answered
Executing unix commands set in PATH in matlab does not work with unix command
Hi, Following up on this, I encounter a similar problem for unix commands (Ubuntu, Win 10). I can call basic unix functions ...

environ 2 mois ago | 0

Question


take out small signals represented in binary vector
Hi everyone, I have the following problem: I have a huge binary columnvector which is representing datapoints in a signal. ...

plus de 5 ans ago | 1 answer | 0

1

answer

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...

plus de 7 ans ago

Solved


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

plus de 7 ans ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

plus de 7 ans ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

plus de 7 ans 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...

plus de 7 ans ago

Solved


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

plus de 7 ans 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...

plus de 7 ans ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

plus de 7 ans 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...

plus de 7 ans 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...

plus de 7 ans ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

plus de 7 ans 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 ...

plus de 7 ans ago

Solved


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

plus de 7 ans ago

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 ...

plus de 7 ans 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...

plus de 7 ans 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:...

plus de 7 ans ago

Answered
randperm
I see, hmm.. actually I wanted to permute the two columns seperately, but I guess this will not work with randperm. But the sugg...

plus de 7 ans ago | 0

Question


randperm
How can I use randperm for a nx2 matrix?

plus de 7 ans ago | 3 answers | 0

3

answers

Question


concatenate vectors
Hi, let's say I have e.g. three column-vectors a(nx1), b(nx1), c(nx1) I want to concatinate them to have another column-vector ...

plus de 7 ans ago | 3 answers | 2

3

answers

Question


shuffle numbers in a vector
Hi, I have a vector which has n by 1 entries. I want to randomly shuffle the numbers in this vector! Thanks in advance for an...

plus de 7 ans ago | 3 answers | 0

3

answers