Ximera tutorial

How to use Ximera

This course is built in Ximera.

How is my work scored?

We explain how your work is scored.

1Working in two and three dimensions

1.1Working in two and three dimensions

We talk about basic geometry in higher dimensions.

1.2Drawing a sphere

Learn how to draw a sphere.

Vector-valued functions

2Vectors

2.1Vectors

Vectors are lists of numbers that denote direction and magnitude.

3Dot products

3.1The dot product

The dot product measures how aligned two vectors are with each other.

4Cross products

4.1The cross product

The cross product is a special way to multiply two vectors in three-dimensional space.

5Lines and curves in space

5.1Lines and curves in space

Vector-valued functions are parameterized curves.

6Calculus and vector-valued functions

6.1Calculus and vector-valued functions

With one input, and vector outputs, we work component-wise.

7Motion and paths in space

7.1Motion and paths in space

We interpret vector-valued functions as paths of objects in space.

7.2Parameterizing by arc length

We find a new description of curves that trivializes arc length computations.

8Normal vectors

8.1Unit tangent and unit normal vectors

We introduce two important unit vectors.

8.2Planes in space

We discuss how to find implicit and explicit formulas for planes.

8.3Parametric plots

Tangent and normal vectors can help us plot make interesting parametric functions.

8.4Drawing a torus

Learn how to draw a torus.

Functions of several variables

9Functions of several variables

9.1Functions of several variables

We introduce functions that take vectors or points as inputs and output a number.

10Continuity of functions of several variables

10.1Continuity

We investigate what continuity means for functions of several variables.

11Partial derivatives

11.1Partial derivatives

We introduce partial derivatives.

12The gradient

12.1The gradient

We introduce the gradient vector.

13Linear approximation

13.1Linear approximation

We extend the ideas of linear approximation to functions of several variables.

14Chain rule for functions of several variables

14.1The chain rule

We investigate the chain rule for functions of several variables.

15Taylor polynomials

15.1Taylor polynomials

We introduce Taylor polynomials for functions of several variables.

16Quadric surfaces

16.1Quadric surfaces

We will get to know some basic quadric surfaces.

16.2Drawing paraboloids

Learn how to draw an elliptic and a hyperbolic paraboloid.

17Maximums and minimums

17.1Maxima and minima

We see how to find extrema of functions of several variables.

18Constrained optimization

18.1Constrained optimization

We learn to optimize surfaces along and within given paths.

19Lagrange multipliers

19.1Lagrange multipliers

We give a new method of finding extrema.

20Multiple integrals

20.1Integrals over trivial regions

We study integrals over basic regions.

20.2Integrals with trivial integrands

We study integrals over general regions with and integrand equaling one.

21Common coordinates

21.1Polar coordinates

We integrate over regions in polar coordinates.

21.2Cylindrical coordinates

We integrate over regions in cylindrical coordinates.

21.3Spherical coordinates

We integrate over regions in spherical coordinates.

22Computations and interpertations

22.1Surface area

We compute surface area with double integrals.

22.2Mass, moments, and center of mass

We use integrals to model mass.

22.3Computations and interpretations

We practice more computations and think about what integrals mean.

Vector-valued functions of several variables

23Vector fields

23.1Vector fields

We introduce the idea of a vector at every point in space.

24Line integrals

24.1Line integrals

We accumulate vectors along a path.

25Green’s Theorem

25.1Curl and line integrals

Green’s Theorem is a fundamental theorem of calculus.

25.2Green’s theorem as a planimeter

A planimeter computes the area of a region by tracing the boundary.

25.3Divergence and line integrals

Divergence measures the rate field vectors are expanding at a point.

26The shape of things to come

26.1Surface integrals

We generalize the idea of line integrals to higher dimensions.

26.2Drawing a Mobius strip

Learn how to draw a Möbius strip.

26.3Divergence theorem

We introduce the divergence theorem.

26.4Stokes’ theorem

We introduce Stokes’ theorem.

You can download a Certificate as a record of your successes.