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Weak solution. In mathematics, a weak solution (also called a generalized solution) to an ordinary or partial differential equation is a function for which the derivatives may not all exist but which is nonetheless deemed to satisfy the equation in some precisely defined sense. There are many different definitions of weak solution, appropriate ...
Volta potential. The Volta potential (also called Volta potential difference, contact potential difference, outer potential difference, Δψ, or "delta psi") in electrochemistry, is the electrostatic potential difference between two metals (or one metal and one electrolyte) that are in contact and are in thermodynamic equilibrium. Specifically ...
Contact (mathematics) In mathematics, two functions have a contact of order k if, at a point P, they have the same value and their first k derivatives are equal. This is an equivalence relation, whose equivalence classes are generally called jets. The point of osculation is also called the double cusp. Contact is a geometric notion; it can be ...
August 16, 2024 at 1:19 PM. Getty Images. Before students can get a Band-Aid or headache medicine, school nurses and staff in Boise, Idaho, must have permission from a parent after a new law was ...
The 12 of us assembled that night did not agree on everything. But one thing we did agree on was this: Americans need more face-to-face civil discussions with folks outside their own bubble. I ...
With any number of random variables in excess of 1, the variables can be stacked into a random vector whose i th element is the i th random variable. Then the variances and covariances can be placed in a covariance matrix, in which the (i, j) element is the covariance between the i th random variable and the j th one.
But one leader from a legacy bank isn’t worried that the new currency will do any of that for the foreseeable future. “I don’t think the dollar is going to go anywhere,” Bank of NY Mellon ...
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