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svd matlab et nan
Hallo,
perhaps after some calculation you have a matrix with an element which is Inf or NaN and when you try to apply the svd to that matrix it gives you an error. svd remembers me the Single Value Decomposition of a matrix, even if I haven't used matlab for about an year...
Your questions cover a vast area of physics.
I think it's better to say that atoms are properly described only by quantum mechanics, classical mechanics (maxwell equations) fail to describe even atoms stability.
Classical mechanics opposite to relativistic mechanics:
the former consider space...
First question:
in a pn junction without external fields applied, there are no net currents. We have two distinct currents near the border of the p and n region, which are equal and opposite.
We have an excess of holes in the p region, so they diffuse in toward the n region. The electrons of...
Re: complex numbers
I think complex number are a natural extension of the set of real number, conceptually not very different from the extension to negative numbers or fractional numbers of the set of positive integers.
A negative delta time means, for example, than an event occurred before...
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