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New posts in vectors
Can we show that the determinant of this matrix is non-zero?
matrices
vector-spaces
vectors
determinant
functional-inequalities
Does a complex number multiplication have a geometric representation and why? [duplicate]
complex-numbers
vectors
why do we use cosine as the expression of vector dot product?
vectors
Locus using Euclidean geometry
geometry
vectors
euclidean-geometry
locus
Coordinates vs components of a vector and Coordinate system vs basis of vector space?
vector-spaces
vectors
coordinate-systems
Simple Statics Force diagram problem using moments.
vectors
physics
classical-mechanics
Why is $\arccos(-\frac 13)$ the optimal angle between bonds in a methane ($\rm CH_4$) molecule?
geometry
vectors
chemistry
Cross product of two sums of three vectors?
linear-algebra
vectors
cross-product
Why are the coefficients of the equation of a plane the normal vector of a plane?
calculus
multivariable-calculus
vectors
plane-geometry
Prove a variant of the Cauchy-Schwarz inequality
proof-writing
vectors
cauchy-schwarz-inequality
A better resource for vector calculus than Stewart?
multivariable-calculus
reference-request
vectors
Notation for the ith row and column of a matrix
matrices
notation
vectors
Averaged dot product
vectors
vector-analysis
average
spherical-coordinates
Using cross product find direction vector of line joining point of intersection of line and plane and foot of perpendicular from line to plane.
linear-algebra
vectors
cross-product
Precedence of cross product and dot product
vector-spaces
operator-theory
vectors
Why is the dot product of two vectors defined the way in which it is? [duplicate]
linear-algebra
soft-question
vectors
Given $v_i∈B^n$, bounding $\sum b_iv_i$ for $b_i= \pm 1$
real-analysis
inequality
vectors
Proof for parallelogram law of vector addition
vectors
The "inverse" of $\nabla\times$ operator
vectors
vector-analysis
potential-theory
If ${\bf v},{\bf w}\in\mathbb R^n$, $\lVert{\bf v}+{\bf w}\rVert=\lVert{\bf v}\rVert+\lVert{\bf w}\rVert$, what can you say about $\bf v$ and $\bf w$?
linear-algebra
vectors
normed-spaces
inner-products
orthogonality
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