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Yes, a scalar can be a negative number. For instance:
c<x₁,x₂> = <cx₁,cx₂> such that <x₁,x₂> is a vector.
Let c = -1 for instance. Then, we have this vector:
<-x₁,-x₂>
Compared to <x₁,x₂>, <-x₁,-x₂> has negative signs.
In physics and mathematics, if we multiply the vector or something by a negative value scalar, then the direction of the vector is reversed, and the magnitude stays the same. If the magnitude increases/decreases, and the direction of the vector is reversed, then we can multiply the vector by any negative non-1 scalar value.
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What is a matrix and a scalar?
A matrix and a scalar is a matrix. S + M1 = M2. A scalar is a real number whose square is positive. A matrix is an array of numbers, some of which are scalars and others are vectors, square of the number is negative. A matrix can be a quaternion, the sum of a scalars and three vectors.
What number has greater value -345 0r -234?
-234 is greater.. Because in the number line if we go in negative side then the higher the scalar value lower the vector value.
Is it possible to have a negative speed?
No, Speed is always greater than or equal to zero. However, velocity can be negative, which just means you have a positive speed in the opposite direction! (scalar(number) versus vector).
What is scalar field?
In mathematics and physics, a scalar field associates a scalar value to every point in a space. The scalar may either be a mathematical number, or a physical quantity.
Is any number scalar?
Yes.
