British Thermal Unit-used for measurement amount of energy required to heat 1# water 1 degree in a certain period of time
This is a rude acronym.
Linear algebra deals with mathematical transformations that are linear. By definition they must preserve scalar multiplication and additivity. T(u+v)= T(u) + T(v) T(R*u)=r*T(u) Where "r" is a scalar For example. T(x)=m*x where m is a scalar is a linear transform. Because T(u+v)=m(u+v) = mu + mv = T(u) + T(v) T(r*u)=m(r*u)=r*mu=r*T(u) A consequence of this is that the transformation must pass through the origin. T(x)=mx+b is not linear because it doesn't pass through the origin. Notice at x=0, the transformation is equal to "b", when it should be 0 in order to pass through the origin. This can also be seen by studying the additivity of the transformation. T(u+v)=m(u+v)+b = mu + mv +b which cannot be rearranged as T(u) + T(v) since we are missing a "b". If it was mu + mv + b + b it would work because it could be written as (mu+b) + (mv+b) which is T(u)+T(v). But it's not, so we are out of luck.
S-U-B-S-T-I-T-U-T-E :)
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B-A-G-U-E-T-T-E. Baguette.
s u b a q u a t i c
B r t in text abbreviation means be right there
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T-R-O-U-B-L-E - song - was created on 1975-04-22.
b u t t e r f l y
B-J- and the Bear - 1978 S-T-U-N-T- 3-12 was released on: USA: 31 March 1981
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