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Ivor Horton


Last seen: 2 months ago
8 total contributions since 2020

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Question


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 ...

2 months ago | 1 answer | 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...

2 months ago | 1 answer | 0

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Question


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?

2 months ago | 1 answer | 0

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Question


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

2 months ago | 1 answer | 0

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Question


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...

2 months ago | 1 answer | 0

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Question


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...

2 months ago | 1 answer | 0

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Question


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...

2 months ago | 1 answer | 0

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