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Miriam


Aktiv seit 2011

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Professional Interests: Neuroscience

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Beantwortet
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 ...

mehr als 5 Jahre vor | 1

Frage


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. ...

etwa 11 Jahre vor | 1 Antwort | 0

1

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Gelöst


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...

fast 13 Jahre vor

Gelöst


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

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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 ...

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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

fast 13 Jahre vor

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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 ...

fast 13 Jahre vor

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

fast 13 Jahre vor

Gelöst


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 ...

fast 13 Jahre vor

Gelöst


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...

fast 13 Jahre vor

Gelöst


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:...

fast 13 Jahre vor

Beantwortet
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...

etwa 13 Jahre vor | 0

Frage


randperm
How can I use randperm for a nx2 matrix?

etwa 13 Jahre vor | 3 Antworten | 0

3

Antworten

Frage


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 ...

etwa 13 Jahre vor | 3 Antworten | 2

3

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Frage


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...

etwa 13 Jahre vor | 3 Antworten | 2

3

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