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,...

más de 12 años hace | 1

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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 13 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 13 años hace | 1

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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 13 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...

casi 13 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...

casi 13 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 SET is obsolete 3.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 ...

casi 13 años hace | 0

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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 13 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 13 años hace

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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 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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

más de 14 años hace

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

más de 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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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...

más de 14 años hace

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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 ...

más de 14 años hace

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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 ...

más de 14 años hace

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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...

más de 14 años hace

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

más de 14 años hace

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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.

más de 14 años hace

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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 ...

más de 14 años hace

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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...

más de 14 años hace