
Regla de Cramer (Efraín Vega Landa) Sistemas de Ecuaciones Lineales
Cramer's Rule (Efraín Vega Landa) Systems of Linear Equations
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Cramer's Rule (Efraín Vega Landa) Systems of Linear Equations

Center of Mass for Mass Distributions in the Plane (Efraín Vega Landa)

Linear functions ℝ²→ℝ² with determinant 1 (Efraín Vega Landa)

Euler's Equation for Ideal Flow in the Plane with Complex Variables (Gustavo Gómez López)

Acoustics and Vibrations Laboratory (LAV) at ICAT-UNAM (Antonio Pérez López)

What is a group? Lie group (Efraín Vega Landa)

VID 20260929 073408 731

VID 20260925 101808 645

VID 20260925 072413 681

Equilibrium, Average, Moment, and Center of Mass (Efraín Vega Landa)

The World of Low Temperatures (Ana Karla Bobadilla Valencia)

Nutrition and Health. System of Linear Equations. (Efraín Vega Landa)

Chemical Engineering and Systems of Linear Equations (Efraín Vega Landa)

Extravagance at the Rector's Office. Secret contracts and luxuries: This is how the "Golden Caste" operates at UNAM


Inverse Function: Logarithm and Exponential (Efraín Vega Landa)

Subsets of functions contained in polynomials of degree less than or equal to two. Exercise hints

Polynomials ax²+bx+c and their roots Discriminant b²-4ac and regions of 2, 1 and 0 roots in ℝ³=(a,b,c

VID 20260904 101649 971

5th element "the Interface" thin film Zn(X=S, Se) on zinc sheet c photocatalytic activity

ℝⁿ⁺¹: Space of polynomials of degree n (Efraín Vega Landa)

Polynomials in a real variable with real values of degree 0,1 and 2 Efraín Vega Landa

Limit of a sequence, of a function, and of the lower/upper sums of the Riemann/Thomae function

VID 20260826 101816 611

Force on the face of a fish tank. Hints to solve exercise

Example of Integral through the limit of lower and upper sums (Efraín Vega Landa)

Linear and affine functions ℝ→ℝ Efraín Vega Landa

Cartesian Coordinates. Coordinate Functions. (Efraín Vega Landa)

Cartesian Product, the Plane ℝ², the Line ℝ, the Plane ℝ², Space ℝ³, ... Space ℝⁿ Manifolds

VID 20260825 102043 800 CUTTING PIECE OF BLUE SCREEN

Example of a function that is not Riemann-Integrable (Efraín Vega Landa)

The infinity of real numbers is larger than that of natural numbers (Efraín Vega Landa)

Work: Integral of force with respect to displacement (Stokes' theorem with 0-forms and 1-forms)


Decimal expansion of a rational number: it is finite or infinite periodic Cardinality of Infinite Sets

Derived Relationship/Integral Fundamental Theorem of Calculus (Stokes 0 & 1 differential forms in ℝ)

√2 is not rational, Decimal expansion of real numbers (Efraín Vega Landa)

Fundamental Theorem of Calculus (Efraín Vega Landa)


Natural, Integer, Rational, Irrational, and Real Numbers (Efraín Vega Landa)