Linear algebra part 8 - Matrices
The post introduces the concept of a matrix and explains how to multiple a
matrix and vector.
Older posts
Linear algebra part 7 - Angle between vectors
In this post we will explore how you can calculate the angle between
two vectors.
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Linear algebra part 6 - Dot product of perpendicular vectors
In this post we will show that the dot product of perpendicular vectors is
zero.
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Linear algebra part 5 - Vector lengths
In this post we will learn how to calculate the length of vectors.
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Linear algebra part 4 - Dot products
In this post we will learn about the dot product of vectors and how you can
use them to calculate portfolio values.
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Linear algebra part 3 - Scalar multiplication and linear combinations
In this post we will learn how to multiply vectors with scalars (normal
numbers). We will start to think about what combinations of vectors look like.
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Linear algebra part 2 - Plotting vectors
Plotting vectors on a graph is a great way to gain an intuative understanding
of what they are showing you. In this post we will learn how to plot two and
three dimensional vectors.
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Linear algebra part 1 - Adding and subtracting vectors
Vectors are the fundamental building blocks of linear algebra. Get started
with vectors by learning how to add and subtract them.
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