Solved


Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

8 years ago

Solved


Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

8 years ago

Solved


Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

8 years ago

Solved


Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

8 years ago

Solved


Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

8 years ago

Solved


Operate on matrices of unequal, yet similar, size
You may want to add a vector to a matrix, implying that the vector is added to each column of the matrix. Or multiply a 3x4x5 ma...

8 years ago

Solved


Matrix with different incremental runs
Given a vector of positive integers a = [ 3 2 4 ]; create the matrix where the *i* th column contains the vector *1:a(i)...

8 years ago

Solved


surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

8 years ago

Solved


Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

8 years ago

Solved


Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

8 years ago

Solved


Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

8 years ago

Solved


Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

8 years ago

Solved


Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

8 years ago

Solved


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

8 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...

8 years 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 ...

8 years 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...

8 years ago

Solved


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

8 years ago

Question


Could not find or load the Qt platform plugin "xcb".
Hi, I am trying to launch an executable from Matlab. I am using Matlab 2017b and Ubuntu 16.04 and this executable file has...

8 years ago | 2 answers | 0

2

answers

Answered
How to launch external application from Matlab in ubuntu ?
I found a solution, using this answers : <https://fr.mathworks.com/matlabcentral/answers/329796-issue-with-libstdc-so-6> Ren...

8 years ago | 0

| accepted

Answered
write a matlab function
Hello, Maybe you could show us what you already tried ? You can find some help on how to declare a function here : <https:...

8 years ago | 0

Answered
hi.I don't know how to create B...help me pls.
Hello, to create transfer functions in Matlab, you should look at the 'tf' function : sys = tf(Numerator,Denominator) ...

8 years ago | 1

Question


How to launch external application from Matlab in ubuntu ?
Hello, I would like to launch an external application from Matlab. I am using ubuntu 16.04 and Matlab 2017b. I looked at ...

8 years ago | 1 answer | 0

1

answer

Question


How to decrease the execution time in Matlab ?
Hello, I am wondering if there is a way to speed up the computation time of specific function, such as step or bode in matlab...

8 years ago | 1 answer | 0

1

answer

Question


How can I reset my account information ?
Hello, I had Matlab working on an old computer and I changed recently. I would like to transfer Matlab from the old compute...

8 years ago | 2 answers | 0

2

answers