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Jan 22, 2021 · Hello, I'm pursuing Data Science and I would like to have a strong mathematical base. Before starting Statistics and Probability, what are the course prerequisites I should …

Good question, Sal is being fast with his algebra. A better way to write this might be X-Y=X+ (-Y) or even X-Y=X+ (-1) (Y). As we go farther along in math we might think of negative numbers …

I'm learning Linear Algebra because of its importance in Economics and Statistics and none of my textbooks even mention the Cross Product--all I know is that it has something to do with …

Is there any way to find out how many hours of video or how many estimated contact hours of material are in a given course? I have some deadlines I am working with, and I am trying to …

Mar 25, 2021 · That’s because Khan Academy has curriculums for a wide range of math courses – from kindergarten through linear algebra. And each curriculum is fully built-out with free …

ANJALI India TOGETHER WE CAN MAKE A DIFFERENCE Every child deserves the chance to learn. Across the globe, 617 million children are missing basic math and reading skills. We’re a …

We of course know what the change of basis matrix is. So if we wanted to represent d in coordinates with respect to B, we're going to have to solve this equation.

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If you take the composition of one linear transformation with another, the resulting transformation matrix is just the product, as we've just defined it, of their two transformation matrices.