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Ivor Horton


Last seen: 4 years 前 |  自 2020 起处于活动状态

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How can I get precise result?
I'm new to Matlab and I did some test. format longG a = [1 -1 -1 3; 2 -1 -3 1; 3 2 -5 2; 3 1 2 2] b = adjoint(a) a * b The ...

4 years 前 | 1 个回答 | 0

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What does the stars in the result of a matrix multiplication mean?

4 years 前 | 1 个回答 | 0

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How to do matrix equality testing for symbols?
In the documentation I found this example. A = [1+i 3 2 4+i]; B = [1 3+i 2 4+i]; A == B The result is: ans = 1x4 logical ar...

4 years 前 | 1 个回答 | 0

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How to apply latex \bar to multiple characters?
I want to apply \bar to "(A+B)" but it seems not work correctly. How can I do that?

4 years 前 | 1 个回答 | 0

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What does this upperline mean?
I did a simple test. What does the lines above bs mean?

4 years 前 | 1 个回答 | 0

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Are there any built-in way to calculate inversions?
In Mathematica, there is a built-in function Inversions which counts the number of inversions in permutation. See the documen...

4 years 前 | 1 个回答 | 0

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How to use variable?
If I run det([1 2;3 4]) Matlab gives the result -2. I want to calculate det([a b;c d]) and how can I get the result ad - b...

4 years 前 | 1 个回答 | 0

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How to change Matlab display format to traditional form?
I'm new to Matlab and I'm trying the solve() function. However, the display format of my result is not the same as the docume...

4 years 前 | 1 个回答 | 0

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