Professional Interests: Control theory, Contact problems of elasticity theory, Spectral Theory of Operators, Mechanics

Question

Draw a line between two points on plotted data and compute its length

Hi All, Suppose we have a set of 2D points: px = [1, 2, 5]; py = [1, 2, 1.5]; When we plot these points, we get 3 distinct p...

circa un anno ago | 1 answer | 0

Question

Replace the empty output of find() by the closest element

Hello everyone, I have two arrays a1 = [t1, t2, t3, t4, t5]; a2 = [t1, t1 + d, t1 + 2 * d, t1 + 3 * d]; I use find() for...

oltre un anno ago | 1 answer | 0

Question

Add n days to juliandate

Hello everyone! I am using planetEphemeris(juliandate(y, m, d), 'Sun', 'Mars') to extract the position of Mars relative to ...

oltre un anno ago | 2 answers | 0

Question

Implementation of BDDC preconditioner

I want to implement the BDDC preconditioner described in <https://mat.fsv.cvut.cz/doktorandi/files/BSthesisCZ.pdf thesis> in mat...

circa 3 anni ago | 0 answers | 0

Question

Method of characteristics for two-dimensional advection equation

Given the following function for implementing the method of characteristics: function qnew = SemiLagrAdvect(u,v,q,qS,...

circa 5 anni ago | 0 answers | 0

Question

How get the maximal positive root of polynomial?

I have such a function which computes positive roots of 8th order polynomial. function res = lambdazero1( l, a ) p = [-2 * ...

oltre 5 anni ago | 1 answer | 0

Question

n nonlinear (transcendent) equations with m variables (n>m)

Hi everyone! How can I find the roots of some nonlinear equations if the number of variables is less than the number of equat...

oltre 7 anni ago | 1 answer | 0

Question

How to find points of intersections of graphs?

Hi everybody. I need to find zeros of given functions of one (and the same) variable in given interval. f_k(t)=1-cos(a_k*t-b_k...

oltre 8 anni ago | 1 answer | 0

Question

Fourier-cosine transform of hyperbolic function

Could you help me please with the Fourier cosine transform with respect to x variable of the following function? tanh[b(a^2+x...

circa 9 anni ago | 1 answer | 0

Question

4th degree equations

Hi, can anyone help me with this problem? We need the smallest positive real root of this equation a*x^4+b*x^3+c*x^2+d*x+e=0,...

oltre 9 anni ago | 1 answer | 0

Answered

Can MATLAB solve systems of nonlinear equations?

In this pdf file is mentioned system of nonlinear algebraic equations. And what about the phrase analytic solution, I meant no n...

Can MATLAB solve systems of nonlinear equations?

In this pdf file is mentioned system of nonlinear algebraic equations. And what about the phrase analytic solution, I meant no n...

circa 10 anni ago | 0

Question

Can MATLAB solve systems of nonlinear equations?

During investigation of one problem, I find out a system of seven nonlinear algebraic equations, which analytic solution is need...

circa 10 anni ago | 4 answers | 0