Respondida
How to index lmi constraints?
Something like this would be a complete vectorization n = 3; [i,ii] = find(triu(ones(n),1)); index = sub2ind([n n],i,...

casi 12 años hace | 1

| aceptada

Respondida
mixed integer(all are binary) problem
If you only have linear constraints, and the problem is as small as it is here, you should really use a dedicated mixed-integer ...

casi 12 años hace | 0

Respondida
solve an inequality with LMI approach
With the MATLAB Toolbox YALMIP, and some SDP solver installed (such as SDPT3, SeDuMi, Mosek etc) it would be (you have not clear...

casi 12 años hace | 1

Respondida
about the use cplex for solving LP in matlab
Late answer but anyway... 1. Why have you installed such an old version? 12.6 has been out for a long time now 2. This err...

casi 12 años hace | 0

Respondida
How to solve affine Linear Matrix Inequlaity?
Standard approach is to use a common Lyapunov function, i.e., define two LMIs, one for h = 0 and one for h = -45.86. From convex...

alrededor de 12 años hace | 1

Respondida
Why LMI toolbox/ Yalmip get a semi-positive definite matrix as the answer?
Strict inequalities are not really supported http://users.isy.liu.se/johanl/yalmip/pmwiki.php?n=Blog.Prepare-your-code BTW...

alrededor de 12 años hace | 0

Respondida
YALMIP not able to find PENBMI solver for solving bilinear matrix inequlality
1. You are using a very very old version of YALMIP 2. SET is obsolete 3. Yes, you have to install PENBMI. YALMIP does not ...

alrededor de 12 años hace | 0

| aceptada

Respondida
Nonlinear optimal control by using yalmip
The problem is that you are creating a nonconvex nonlinear problem, and fmincon simply fails to find a solution. You see this if...

alrededor de 12 años hace | 1

Resuelto


Number of lattice points within a circle
Find the number of points (x,y) in square lattice with x^2 + y^2 =< n. This is related to Jame's <http://www.mathworks.com/matla...

más de 12 años hace

Resuelto


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...

casi 13 años hace

Resuelto


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

casi 14 años hace

Resuelto


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

casi 14 años hace

Resuelto


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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 ...

casi 14 años hace

Resuelto


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 ...

casi 14 años hace

Resuelto


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...

casi 14 años hace

Resuelto


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

casi 14 años hace

Resuelto


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

casi 14 años hace

Resuelto


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 ...

casi 14 años hace

Resuelto


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...

casi 14 años hace