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Course, academic year 2023/2024
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Functions of several variables - O02310007
Title: Funkce více proměnných
Guaranteed by: Katedra matematiky a didaktiky matematiky (41-KMDM)
Faculty: Faculty of Education
Actual: from 2012
Semester: summer
E-Credits: 5
Examination process: summer s.:
Hours per week, examination: summer s.:2/1, C+Ex [HT]
Capacity: unknown / unknown (999)
Min. number of students: unlimited
4EU+: no
Virtual mobility / capacity: no
State of the course: not taught
Language: Czech
Teaching methods: full-time
Teaching methods: full-time
Explanation: Rok3Student zapíše jeden z kurzů Funkce více proměnných nebo Metody matematické anal
Old code: FVPR
Note: course can be enrolled in outside the study plan
enabled for web enrollment
priority enrollment if the course is part of the study plan
Guarantor: RNDr. František Mošna, Ph.D.
doc. RNDr. Jiří Jarník, CSc.
prof. RNDr. Ladislav Kvasz, DSc., Dr.
Classification: Mathematics > Real and Complex Analysis
Annotation -
Last update: MOSNAF/PEDF.CUNI.CZ (24.10.2008)
Vector spaces, neighbourhood of a point, convergence, functions of several variables, limits, continuity, directional derivative, partial derivatives, differential, tangent planes, normals, implicit function, curves, surfaces, transformation of coordinates, multidimensional integral, substitution, Fubini theorem, curvilinear and surface integrals, application.
Aim of the course -
Last update: MOSNAF/PEDF.CUNI.CZ (24.10.2008)

Primary purpose of the course is to make students acquainted with basic ideas, knowledges and connections of infinitesimal calculus of two or more variables functions in relation with similar courses on one variable functions. Secondary aim is to prove, repetite and fix knowledges of previous courses especially from mathematical analysis, but from geometry (curves, surfaces) or algebra (vector space, linear, quadratic forms) as well.

Literature -
Last update: MOSNAF/PEDF.CUNI.CZ (29.09.2008)
  • Serge Lang: Calculus of Several Variables, Springer N. York 1987
  • Walter Rudin: Principles of Mathematical Analysis,McGraw-Hill 1976
  • Bruno Budinský, Jura Charvát: Matematika II. (stavební fakulta ČVUT Praha)
  • Jaroslav Tišer, Jan Hamhalter: Diferenciální počet funkcí více proměnných (elektrotechnická fakulta ČVUT Praha)
  • Jaroslav Tišer, Jan Hamhalter: : Integrální počet funkcí více proměnných (elektrotechnická fakulta ČVUT Praha)
  • Eva Dontová: Matematika IV. (fakulta jaderné fyziky a inženýrství ČVUT Praha)
  • Štěpán Pelikán, Tomáš Zdráhal: Matematická analýza - funkce více proměnných (Universita J.E.Purkyně, Ústí n. L.)
  • Ondřej Zindulka: Vektorové pole (stavební fakulta ČVUT Praha)
  • Jiří Brabec: Matematická analýza II. (stavební fakulta ČVUT Praha)

Teaching methods -
Last update: MOSNAF/PEDF.CUNI.CZ (09.10.2008)

Lecture and seminar

Requirements to the exam -
Last update: MOSNAF/PEDF.CUNI.CZ (18.11.2011)

- credit requirements: active participation at seminars, two control tests (the first on differential calculus, the second on integral calculus), which demonstrates the ability to manipulate and to use appropriate concepts, knowledge and relationship by the examples, (there will be two terms during the examination period for possible correction)
- exam requirements: understanding of given concepts, relationships in three questions (the first question examines certain concept, its definition, introduction..., second question relates to some process, method, inference, problem solving, the third question asks the student to decide on validity of submitted state and justify his decision or support it by a counterexample)

Syllabus -
Last update: MOSNAF/PEDF.CUNI.CZ (06.11.2008)
Introduction
  • repetition - linear vector spaces, scalar, vector and outer product (geometric meaning, determinants), lines - general form, slope-intercept form, parametric form, parametrization corresponding with longitude, planes, functions
  • convergency, neighbourhood, distance of points (metrics, norm - euclid, sum, maximum), points - inner, outer, border, limit, isolated, sets - open, closed, bounded, convex, connex, compact, area.
Differential calculus
  • real functions of several variables (R2->R), domain, level sets, cross-sections, limit (over a set, over domain), continuity
  • derivative in direction(Gâteaux differential and derivative), partial derivative, total differential (Frechet derivative), interrelations, theorems on derivatives and differential (counterexamples), gradient (V) - geometric meaning
  • higher order derivatives (exchange of mixed second derivatives), second differential, Taylor theorem
  • extremes local, absolut, constraint extremes (substitut method and Lagrange multipliers)
  • Banach fixed point theorem, implicit function theorem, calculating of derivatives, differentials, tangents, tangent planes
transformation of coordinates (R2->R2, R3->R3) - polar, (cylindric), spheric

Integral calculus

  • multiple (double, triple) integral, calculating of an area (disc), volume (ball, cone), centre of gravity (triangle, tetrahedron), moments, Fubini theorem, substitute theorem - connection of determinants with volume and area
  • curves in R2 (explicit, implicit, parametric form), tangent, normal, longitude of a curve (circle), divergence, (3. coordinate of curl), curve integral, Green theorem
  • křivky v R3 (vyjádření parametrické), tečna, hlavní normála, binormála
surfaces in R3 (explicit, implicit, parametric form), tangent plane, normal, area (of a sphere, lateral area of a cone), points on surface (eliptic, hyperbolic,..., asymptotic directions), divergence, curl, surface integral, Stokes, Gauss-Ostrogradsky theorem.

 
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