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calculus related issues & queries in MathXchanger
How to determine the interval of $\varphi$ for integration?
multivariable-calculus
polar-coordinates
multiple-integral
Updated February 19, 2019 23:20 PM
1
answers
10
views
0
votes
Why $g(t)=(\cos t, \sin t)$ and $h(t) (\cos 2t, \sin 2t)$ have the same image?
calculus
parametric
parametrization
Updated February 19, 2019 23:20 PM
1
answers
28
views
0
votes
How to differentiate multivariable calculus with parametric equations?
multivariable-calculus
parametric
Updated February 19, 2019 23:20 PM
1
answers
14
views
0
votes
How to find $\sum\limits_{k=-\infty}^\infty\frac{(-1)^k}{k+\frac{1}{2n}}$?
real-analysis
calculus
sequences-and-series
Updated February 19, 2019 22:20 PM
2
answers
58
views
0
votes
Problem understanding a solenoidal vector field that is not a curl.
calculus
multivariable-calculus
Updated February 19, 2019 22:20 PM
1
answers
100
views
2
votes
prove the relation for the matrix element
linear-algebra
abstract-algebra
matrix-calculus
Updated February 19, 2019 22:20 PM
0
answers
16
views
2
votes
Paths on a disconnected manifold
differential-geometry
manifolds
calculus-of-variations
Updated February 19, 2019 22:20 PM
0
answers
18
views
0
votes
Rule for derivation: $d^n/dt^n$, where $t = -ln(x)$.
real-analysis
calculus
derivatives
chain-rule
Updated February 19, 2019 21:20 PM
0
answers
7
views
1
votes
Is "$f$" the function or is "$f(x)$" the function?
calculus
functions
notation
terminology
Updated February 19, 2019 20:20 PM
2
answers
32
views
3
votes
Splitting costs of a costcenter
calculus
finance
Updated February 19, 2019 20:20 PM
0
answers
6
views
0
votes
show that lim h->0 (a^h-1)/h=ln(a)
calculus
limits
exponential-function
Updated February 19, 2019 20:20 PM
1
answers
15
views
0
votes
Having trouble understand the p-test for Type 1 Improper Integrals
calculus
Updated February 19, 2019 19:20 PM
1
answers
5
views
0
votes
Why does the limit for $\lim \limits_{x \to 0} x^{-2}(x-3)^3$ not exist?
calculus
limits
Updated February 19, 2019 18:20 PM
2
answers
12
views
0
votes
Evaluating an integral over $R$
real-analysis
calculus
integration
definite-integrals
improper-integrals
Updated February 19, 2019 17:20 PM
0
answers
5
views
0
votes
Holomorphic coordinates on Riemann surfaces
differential-forms
residue-calculus
riemann-surfaces
holomorphic-functions
Updated February 19, 2019 17:20 PM
0
answers
6
views
0
votes
Limit involving inverse functions
calculus
limits
inverse-function
Updated February 19, 2019 16:20 PM
2
answers
105
views
1
votes
Prove distribution of or over implies knowing the implication is always true
logic
formal-proofs
sequent-calculus
hilbert-calculus
Updated February 19, 2019 16:20 PM
0
answers
4
views
0
votes
A 3D solid has a base region which is enclosed by parabolas y=-x^2+1 and y=x^2-1 perpendicular to the x-axis are rectangle. what is the volume?
calculus
Updated February 19, 2019 16:20 PM
0
answers
3
views
0
votes
Can we perturb a low rank map to a full rank map in a smooth way?
real-analysis
multivariable-calculus
matrix-rank
perturbation-theory
stability-theory
Updated February 19, 2019 16:20 PM
0
answers
11
views
1
votes
Rigorous Geometric Proof That dA=rdrdθ?
calculus
integration
polar-coordinates
Updated February 19, 2019 15:20 PM
0
answers
5
views
0
votes
Complementing function using DeMorgan's Laws
discrete-mathematics
logic
propositional-calculus
Updated February 19, 2019 15:20 PM
0
answers
5
views
0
votes
Lagrange multipliers with $\lambda = 0$ problem
calculus
lagrange-multiplier
Updated February 19, 2019 14:20 PM
0
answers
12
views
1
votes
Does this series converge or diverge by the Integral Test?
calculus
sequences-and-series
Updated February 19, 2019 14:20 PM
1
answers
31
views
0
votes
The average distance from a square's center to its edges
calculus
Updated February 19, 2019 13:20 PM
2
answers
44
views
0
votes
Is there an analytic solution for such problem?
calculus
sequences-and-series
trigonometry
recurrence-relations
Updated February 19, 2019 13:20 PM
0
answers
94
views
9
votes
Solving a first order IVP
calculus
ordinary-differential-equations
Updated February 19, 2019 13:20 PM
1
answers
727
views
2
votes
Derivative of vectorized kronecker product
matrices
derivatives
matrix-calculus
kronecker-product
Updated February 19, 2019 12:20 PM
0
answers
4
views
0
votes
Multiple integrals in polar coordinates
calculus
polar-coordinates
multiple-integral
Updated February 19, 2019 11:20 AM
2
answers
9
views
0
votes
Give an example to show that $\cup_{k=1}^{\infty} A_{k}$ need not be closed.
real-analysis
calculus
analysis
Updated February 19, 2019 11:20 AM
2
answers
18
views
0
votes
Can the function $f(x,y) = \frac {xy}{|x| + |y|}$ be extended to a continuous function on $\mathbb{R^2}$?
real-analysis
calculus
analysis
continuity
Updated February 19, 2019 10:20 AM
1
answers
15
views
0
votes
Submartingale characterization
stochastic-processes
stochastic-calculus
martingales
Updated February 19, 2019 10:20 AM
0
answers
4
views
0
votes
Proving a characterization of cluster points
real-analysis
calculus
analysis
Updated February 19, 2019 09:20 AM
0
answers
9
views
0
votes
how to calculate $z'(y) $ near $ y = 0$. of the curve $g(t) = (e^t + t,~t^2+3\sin(t)~,t^4+t+1)$
multivariable-calculus
implicit-function-theorem
Updated February 19, 2019 09:20 AM
0
answers
7
views
1
votes
Elementary poof for the commutation of limits and infinite sums
real-analysis
calculus
sequences-and-series
limits
Updated February 19, 2019 09:20 AM
1
answers
11
views
1
votes
When are we not allowed to replaced $\sin{x} $ , $\tan{x}$... by $x$ in a limit where $x\to 0$?
real-analysis
calculus
limits
Updated February 19, 2019 09:20 AM
4
answers
59
views
0
votes
On the notion of periodicity
calculus
functions
definition
Updated February 19, 2019 07:20 AM
1
answers
18
views
0
votes
How to solve this related rates problem with trapezoids?
calculus
Updated February 19, 2019 07:20 AM
1
answers
741
views
0
votes
Using the Multivariable Chain Rule to Show a Solution to a PDE
multivariable-calculus
proof-verification
pde
Updated February 19, 2019 05:20 AM
0
answers
3
views
0
votes
How can non-smooth vertical projection be a coordinate map?
general-topology
geometry
multivariable-calculus
differential-geometry
smooth-manifolds
Updated February 19, 2019 05:20 AM
0
answers
9
views
1
votes
transpose derivative
linear-algebra
matrices
matrix-calculus
Updated February 19, 2019 04:20 AM
0
answers
2
views
0
votes
Power series ordinary differential equations
calculus
ordinary-differential-equations
Updated February 19, 2019 03:20 AM
0
answers
6
views
0
votes
Sets with a linear function to a proper subset
calculus
elementary-set-theory
Updated February 19, 2019 03:20 AM
1
answers
9
views
0
votes
How to find the limit $\lim_{x \to 0}\frac{\sin(6x)}{8x}$
calculus
limits
Updated February 19, 2019 02:20 AM
2
answers
21
views
0
votes
Sum of all values along a line
calculus
integration
3d
interpolation
Updated February 19, 2019 01:20 AM
0
answers
7
views
0
votes
Boolean expression simplification using 3 variables
discrete-mathematics
logic
propositional-calculus
boolean-algebra
Updated February 19, 2019 01:20 AM
0
answers
5
views
0
votes
Power series ODE
calculus
ordinary-differential-equations
Updated February 19, 2019 01:20 AM
1
answers
13
views
0
votes
What does my calculus textbook mean by "cursor"?
calculus
limits
Updated February 19, 2019 01:20 AM
0
answers
17
views
1
votes
Boolean expression simplification - Short problem
logic
propositional-calculus
boolean-algebra
Updated February 19, 2019 00:20 AM
0
answers
8
views
0
votes
How can you tell if an equation represents an exponential growth or decay?
calculus
Updated February 19, 2019 00:20 AM
0
answers
4
views
0
votes
fibonacci spiral on sphere surface
calculus
geometry
spherical-coordinates
Updated February 18, 2019 23:20 PM
0
answers
11
views
0
votes
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