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MLWin replied to the thread Undergrad How can light be a wave and particle at the same time?.Prior to measurement, the quantum object is neither particle nor wave but subsists as pneuma, the indeterminate yet ontically real... -
brotherbobby replied to the thread Investigating the real roots of a cubic equation.Yes that's a possibility. -
HHornbein replied to the thread Investigating the real roots of a cubic equation.You can save your work to a file to avoid retyping.
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brotherbobby replied to the thread Investigating the real roots of a cubic equation.When you type your problem statement and relavant equations, you have to include actual equations in LaTeX. Your problem statement may...
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brotherbobby replied to the thread Investigating the real roots of a cubic equation.Yes. Upon edit, only if it's the opening post (#1) of the thread, the ##\rm{\LaTeX}## codes disappear. What I do is to open an older...
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PWell, I linked it. I am using this one to block AI videos...
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davenn replied to the thread Collection of Lame Jokes. -
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On second thought, that one is better than when I first read it.
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No data? Tiger.
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Lord Jestocost replied to the thread Undergrad "The wavefunction never collapses".In his book “Quantum Theory: Concepts and Methods”, Asher Peres remarks in a short section entitled “Everett’s interpretation and other... -
Lord Jestocost reacted to DrChinese's post in the thread Undergrad "The wavefunction never collapses" with
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Regardless of one's objections (e.g. "the measurement problem") to generic Copenhagen-type QM: The most obvious problem with MWI is... -
Griffiths went through the same derivation for ##\nabla \cdot \frac{\hat r}{r^2}## to show that there's a delta function at the origin... -
Yes.
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You should draw the conclusion that you need to be careful when using the expression for the divergence in spherical coordinates lest...
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@Rick16 The general strategy would be to consider cases of ##r \neq 0## and ##r = 0## separately. The first case was already covered by...
