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安裝中文字典英文字典辭典工具!
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- Mathematics Stack Exchange
Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
- Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange
In my work "=" is the identity of a number so it states an equivalence 1=1, 2x=10 ie x =5 The approximation sign "≈" I use for decimal approximations with tilde "~" being a rougher approximation
- Good book for self study of a First Course in Real Analysis
For self-study, I'm a big fan of Strichartz's book "The way of analysis" It's much less austere than most books, though some people think that it is a bit too discursive
- matrices - How to multiply a 3x3 matrix with a 1x3 matrix . . .
Suppose you have two matrices A and B Let A be a 3x3 matrix and B be a 1x3 matrix As stated above, you can only multiply matrix C (mxn) by matrix D (pxq) if n=p
- Show that $ e^{A+B}=e^A e^B$ - Mathematics Stack Exchange
Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
- statistics - I am getting asterisks in minitab for the p--value when i . . .
I am trying to do a Two-Way ANOVA I did what i think I need to do to have the p-value show up on the screen (after i click the button that starts the calculation) but, all i see next to the P-valu
- Pole-zero cancelation method for PI controller design
I think it is ill-advised in practice to do pole-zero cancellation Unstable pole-zero cancellation is just plain bad (the closed loop will be unstable) but stable pole-zero cancellation is also not great for practical reasons
- Is there any openly pro-mortalist philosopher?
Pro-mortalism is the rather unpopular view that it would be ethical to kill all humanity instantly and painlessly to prevent further suffering if that was feasible Sam Harris and David Benatar rej
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