Gavran's latest activity
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GGavran replied to the thread Undergrad Three Circle Problem.
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GGavran reacted to mathwonk's post in the thread Undergrad The vector to which a dual vector corresponds with
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Given any (finite dimensional) vector space V, it has a dual space V* consisting of linear functions f:V-->k, where k is the field of... -
GGavran reacted to nomadreid's post in the thread Undergrad The vector to which a dual vector corresponds with Like.
Thanks, Gavran. Your post explains the confusion very well and concisely, and clears up a whole lot of my confusion. Super! As well...
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GGavran replied to the thread Undergrad The vector to which a dual vector corresponds.The author (A Student's Guide to Vectors and Tensors, by Daniel Fleisch, Cambridge, 2012., Chapters 4.5 and 4.6) does not mention a dual...
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GGavran reacted to nomadreid's post in the thread Undergrad The vector to which a dual vector corresponds with Like.
I am a bit confused about dual space unit vectors in the case of non-orthonormal vector spaces. (Reference: A Student's Guide to...
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GGavran replied to the thread Geometric Game: Fun With Matches (Safe!).Agree with the above. “Find x where x2=4” versus “Find x where x2=4 and x>0"; two different problems with two different sets of...
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GGavran reacted to DaveC426913's post in the thread Geometric Game: Fun With Matches (Safe!) with
Informative.
There's the crux, isn't it? So, the puzzle is less "can you find a solution" and more "can you find the solution I intended" It's like... -
GGavran reacted to bob012345's post in the thread Geometric Game: Fun With Matches (Safe!) with Like.
That’s adds to the class of figures in post #15 which I first considered. An interesting question is how many of these types of figures...
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GGavran replied to the thread Geometric Game: Fun With Matches (Safe!).One more solution with three congruent equilateral triangles.
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GGavran reacted to Math100's post in the thread Is this the correct general solution of the given PDE? with Like.
Thank you very much for the sources and help!
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GGavran reacted to nomadreid's post in the thread Undergrad 2 interpretations of bra-ket expression: equal, & isomorphic, but... with Like.
Huge thanks for the replies, Gavran. (The delay in my response was due to my not getting the usual email notification of a reply.)...
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GGavran replied to the thread Is this the correct general solution of the given PDE?.https://en.wikipedia.org/wiki/Linear_differential_equation#Homogeneous_equation_with_constant_coefficients...
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GGavran reacted to Math100's post in the thread Is this the correct general solution of the given PDE? with Like.
By checking/verifying/confirming my final answer/solution for ## u(x, y)=[A(y)+B(y)\cdot x]e^{-3x} ##, I've obtained ## u_{x}(x...
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GGavran replied to the thread Is this the correct general solution of the given PDE?.Your method and your result in the original post are correct because every partial differential equation that only involves derivatives...
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GGavran replied to the thread Undergrad 2 interpretations of bra-ket expression: equal, & isomorphic, but....Dual vector spaces make analyzing and understanding vector spaces with no inner products more clear. Let us consider the set of real...
