# Identity

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Student at a University in Northeastern U.S.

 Feb3 comment Expressions with Boolean variables and simplification It works. BTW, is there a way to get Mathematica to output the result in symbols $\land$ instead of &&, and $\lor$ instead of ||? Sep17 comment How to Solve or LinearSolve $A = I$ matrix equation? The question related to finding the left inverse of some matrix $A$. But a solution I found from my linear algebra course is to use Gaussian elim. (RowReduce) with the augmented matrix $[A I]$. Sep17 comment How to Solve or LinearSolve $A = I$ matrix equation? @Artes Sorry I have been away and thanks for your answer. Sep6 comment Need help evaluating definite integral to a function of Y Yes, it is independent of $u$. That's a good point, I will just need to make sure it would be valid for this problem, and should have included that $Y = \sqrt{2T}\cos(U)$, and will do so now. Sep4 comment How can I completely ban usage of some functions in output and mandate use of others? but note that it's up to you to know that the replacement is equivalent. Aug28 comment How to change the style definitions for Default.nb? Although I didn't see a StyleSheets folder @ \$UserBaseDirectory/SystemFiles/FrontEnd/StyleSheets/, after adding the "StandardForm" to the private style definitions, and also setting the "Input", "Output styles, saving and reopening, I was able to finally get the style changes to save.