Gayatri Parthasarathy

4 Questions 7 Answers 0 Followers

Questions related from Gayatri Parthasarathy

Can a non-binary sensing matrix be implemented using a Digital Micromirror Device?

In compressive sensing of images Digital MicroMirror Device (DMD) is used to implement the sensing matrix. DMD works in two states, on and off. This can implement a binary sensing matrix. How is a...

06 November 2019 2,216 3 View

What is the computational complexity of quasi-Newton method for optimization?

I am using matlab function to do the optimization. I would like to know the computational complexity of the quasi-Newton optimization.

12 September 2017 353 3 View

Is there a closed form solution to the problem: Min_A norm(Y-AX)?

I need to find the matrix A that would minimize the expression: Norm(Y-AX), where Y is a m x L matrix, A is a m x N matrix and X is an N x L matrix, satisfying m

09 March 2017 2,122 6 View

Is there a closed form solution for minimizing a concave function in a convex region?

I need to find a entropy minimizing probability distribution under a convex constraint.

17 January 2017 2,846 8 View