I am an Assistant Professor in the School of Engineering ISTIA at the University of Angers since 2004.
I received my PhD thesis in Automatic Control from the University of Angers in 2003.
Email: mehdi.lhommeau@univ-angers.fr
My areas of research interest include idempotent Semiring, Control of Timed Event Graphs, interval analysis, constraint satisfaction. For more information about my research check out the research page.
[LHO03] Mehdi Lhommeau. Etude de systèmes à événements discrets dans l'algèbre (max,+) : "Synthèse de correcteurs robustes dans un dioïde d'intervalles. Synthèse de correcteurs en présence de perturbations . Ph.D thesis, University of Angers, France, 2003 (in French)
[LHO00] Mehdi Lhommeau. Sur l'analyse de la robustesse de correcteurs linéaires dans les dioïdes, Master Thesis, Ecole Centrale de Nantes, June 2000.
I am a contributor of MinMaxGD library, an open source library to handle periodic series in dioid.
CM et TD, EI5 ISTIA, 2013-2016
CM,TD et TP, EI5 ISTIA, 2004-2016
TD,TP, EI4 ISTIA, 2010-2016
CM et TP Wifi, Licence R&T - IUT Angers, 2010-2016
CM, TD et TP, Licence Pro AITSP, 2010-2016
TD,TP, EI4 ISTIA, 2009-2016
CM,TD et TP, EI4, 2004-2009
EI2,EI4 et EI5
Javascript version (thanks to Emscripten) of MinMaxGD Library. To see a demonstration script More »
/*declaration of two monomials*/
m1 = gd(1,4);
m2 = gd(2,5);
/*print the monomial */
print m1;
print m2;
/*sum of two monomials */
r0 = m1+m2;
print r0;
/* product of two monomials */
r1 = m1*m2;
print r1;
/*right and left residuation of two monomials */
r2 = m1/m2;
r3 = m1\m2;
print r2;
print r3;
/* Causality projection */
r2 = prcaus(r2);
print r2;
/*star operation */
r4 = star(r3);
print r4;
/*polynomial declaration*/
p1 = poly((1,2)(2,5)(5,9));
p2 = poly((1,1)(2,6)(4,8));
print p1;
print p2;
/*sum of two polynomials */
r1 = p1 + p2;
print r1;
/*product of two polynomials */
r2 = p1 * p2;
print r2;
/*right and left residuation of two polynomials */
r3 = p1/p2;
r4 = p1 \ p2;
print r3;
print r4;
/*causality projection of polynomial*/
r5 = prcaus(r3);
print r5;
/*star operation of polynomial */
r6 = star(r5);
print r6;
/* serie declaration */
s1 = series((1,2)(3,6)(5,8),(6,9),(1,4));
s2 = series((1,1),(2,4)(5,8),(2,2));
print s1;
print s2;
/*sum of two series */
s = s1 + s2;
print s;
/*product of two series */
s = s1 * s2;
print s;
/*right and left residuation of two series*/
sr = s1 / s2;
sl = s2 \ s1;
print sr;
print sl;
/*causality projection of serie */
sr = prcaus(sr);
print sr;
/*star operation on serie */
st = star(sr);
print st;
/* Declaration of matrices */
smatrix M1(2,2),M2(2,2);
M1(1,1) = gd(1,4);
M1(1,2) = gd(2,5);
M1(2,2) = gd(3,5);
M2(1,1) = gd(1,1);
M2(1,2) = gd(4,5);
print M1;
print M2;
/*sum of two matrices */
M = M1 + M1;
print M;
/*product of two matrices */
M = M1*M2;
print M;
/*right and left residuation of two matrices */
Mr = M1 / M2;
Ml = M1 \ M2;
print Mr;
print Ml;
/* start operation of matrix */
Ms = star(M1);
print Ms;
/* concatenation of matrices */
Mc = [M1,M2];
print Mc;
Mr = [M1;M2];
print Mr;