How to get rank of matrix?

Hello there! I'm curious about the topic of getting the rank of a matrix in the world of mathematics and finance. Could you elaborate on the steps involved in determining the rank of a matrix? What significance does the rank of a matrix hold in finance and cryptocurrency analysis? How does one go about calculating it? Additionally, are there any specific tools or software that you recommend for accurately determining the rank of a matrix in financial applications? Thank you for your insights!