After looking at the Wikipedia article on topological space, I still cannot grasp intuitively what topological space is. For example, if we are to define topology on real numbers, can there be many
Can someone please help me understand the meaning of "commas and periods" that appear on the right side of mathematical functions? For example, in another question (Making the Mandelbrot Fractal in Desmos Online Graphing Calculator), I learned how to make the "Mandelbrot Fractal" using an online graphing calculator: https://www.desmos.com ...
I recently released a poll for my Instagram community of parents asking “do you live your life as if your joy matters?” nearly 40% of parents replied that they do not. This statistic felt both ...
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In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B...
Maybe instead of handling your example, because the context is not always relevant, let's look at possible groupings of the symbols. Equality $=$ is usually used for equality. $\equiv$ is occasionally used for "identically equal to," which is in a sense stronger than equality, by denoting that the thing on the left and the thing on the right are equal in a sense that they are identities of ...
notation - what does ≼ or ≺ mean? - Mathematics Stack Exchange
Neither of what you have learnt is correct. The big/small O, big/small $\Theta$ and big/small $\Omega$ notations are purely mathematical notations and have purely mathematical definitions. They have NO relationship whatsoever with whether an algorithm performs in its best/worst/average case. We now explain the big O notation as demonstration. First, we present its formal, correct definition of ...
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ON QRZ but will not confirm the contact. Discussion in ' QRZ Site Community Help Center ' started by VK2RK, .
Callsigns not found using API Discussion in ' QRZ Site Community Help Center ' started by KC3RDV, .
KF8KI QRZ Staff EngineerQRZ HQ Staff QRZ Page Since you didn't provide the other callsign, I can't help beyond telling you that this is a problem that occurs when the user does not properly have their DX entity set in their operating location, found under settings > logbook properties. It's relatively common for things like DXpeditions and secondary callsigns where the logbook wasn't set up ...
QSOs have not been dropped despite the fact that I don't change TX frequency. Good to know. My experience has been the same as yours with most activations, but not all. Either WSJT-X changed - and that is possible since I stopped following WSJT-X developments a long time ago - or the DX is not using WSJT-X, MSHV perhaps.
Call sign not regognized Discussion in ' QRZ Site Community Help Center ' started by AI5OL, .