Why tensors? A beginner's perspective
mfaizan.github.io
Why tensors? A beginner's perspective
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Re: Why tensors? A beginner's perspective
#2This doesn't seem like it's for beginners.
Re: Why tensors? A beginner's perspective
#3I was happy to see that this article is actually talking about tensors, not just multidimensional arrays (which for some reasons are often called tensors by machine learning folks).
Re: Why tensors? A beginner's perspective
#4OK that helps me to understand why tensorflow is called what it is - if a tensor turns a set of vectors into a scalar that's exactly what an artificial neuron does with weights and inputs, and they are linked up to form a data flow graph.
Re: Why tensors? A beginner's perspective
#5I was happy to see that this article is actually talking about tensors, not just multidimensional arrays (which for some reasons are often called tensors by machine learning folks).
What is the difference?
Re: Why tensors? A beginner's perspective
#6I was happy to see that this article is actually talking about tensors, not just multidimensional arrays (which for some reasons are often called tensors by machine learning folks).
What is the difference?
Tensors have additional properties that arrays don't necessarily have. For example, the coordinate system transform rule that the author describes in the beginning of the post.
One of my old physics professors taught us to think of tensors as "arrays with units." If it's a vector/matrix/higher dimensional array but has physical units, it's probably a tensor. The fact that it has units means it represents something physical which must obey additional constraints (like the coordinate system transformation rule).
Re: Why tensors? A beginner's perspective
#7Anyone interested in a visual exploration should checkout Geometrical Vectors by Gabriel Weinreich.
Re: Why tensors? A beginner's perspective
#8Earlier quoted context omitted.
What is the difference?
Tensors have additional properties that arrays don't necessarily have. For example, the coordinate system transform rule that the author describes in the beginning of the post. One of my old physics professors taught us to think of tensors as "arrays with units." If it's a vector/matrix/higher dimensional array but has physical units, it's probably a tensor. The fact that it has units means it represents something ph…
Since I also thought Tensors were just higher dimension arrays, isn't this really what ML folks think Tensors are, since they (we?) do attach units to the Tensors most of the time?
Re: Why tensors? A beginner's perspective
#9This doesn't seem like it's for beginners.
> Most commonly, a tensor is defined as being anything that transforms like a tensor.
Definitely not beginner level.
Re: Why tensors? A beginner's perspective
#10Anyone interested in a visual exploration should checkout Geometrical Vectors by Gabriel Weinreich. https://www.maa.org/press/maa-reviews/geometrical-vectors
Is there any book that treats whole off geometry using vectors?