Switching Iterated Integrals from dxdy to dydx The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Double iterated integrals — areaInterchange integrals in $int_0^piint_0^sin(x)f(x,y)dydx$Region of integration for a double integralLimits of iterated integrals?Need help on switching the order of integration.Changing the order of integration on a rectangular and polar regionCompute $iint_D e^(x+y)^2 dxdy.$Evaluation of $int_0^2int_y/ 2^1 ye^-x^3 dxdy$Trouble with Iterated Integralsgive 5 other equivalent iterated triple integrals
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Switching Iterated Integrals from dxdy to dydx
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Double iterated integrals — areaInterchange integrals in $int_0^piint_0^sin(x)f(x,y)dydx$Region of integration for a double integralLimits of iterated integrals?Need help on switching the order of integration.Changing the order of integration on a rectangular and polar regionCompute $iint_D e^(x+y)^2 dxdy.$Evaluation of $int_0^2int_y/ 2^1 ye^-x^3 dxdy$Trouble with Iterated Integralsgive 5 other equivalent iterated triple integrals
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I am having issues switching an iterated integral from dxdy to dydx:
Switch the integral $int_0^2 int_y^2y6xy$ dx dy to a dy dx integral in the form of $int_0^2 int_...^...6xydydx$ + $int_2^4 int_...^...6xydydx$
What I'm having issues with here is trying to break it up into pieces-- is the first one just from 0 to y, and the next one from y to 2y?
calculus integration multivariable-calculus
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add a comment |
$begingroup$
I am having issues switching an iterated integral from dxdy to dydx:
Switch the integral $int_0^2 int_y^2y6xy$ dx dy to a dy dx integral in the form of $int_0^2 int_...^...6xydydx$ + $int_2^4 int_...^...6xydydx$
What I'm having issues with here is trying to break it up into pieces-- is the first one just from 0 to y, and the next one from y to 2y?
calculus integration multivariable-calculus
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2
$begingroup$
How about drawing the region of integration?
$endgroup$
– Lord Shark the Unknown
Oct 25 '17 at 0:22
$begingroup$
The hard part for me is that it is in 3 dimension-- do I draw the traces, for instance, holding X constant?
$endgroup$
– Scott B
Oct 25 '17 at 0:24
1
$begingroup$
But it's not in three dimensions. The domain is a subset of the plane. Draw the set $$left(x,y) : 0 leq y leq 2, y leq x leq 2yright$$
$endgroup$
– Matthew Leingang
Oct 25 '17 at 0:40
$begingroup$
Right, so x goes from 0 to 4. So then, for the y, would it be from x to x/2 ?
$endgroup$
– Scott B
Oct 25 '17 at 0:58
add a comment |
$begingroup$
I am having issues switching an iterated integral from dxdy to dydx:
Switch the integral $int_0^2 int_y^2y6xy$ dx dy to a dy dx integral in the form of $int_0^2 int_...^...6xydydx$ + $int_2^4 int_...^...6xydydx$
What I'm having issues with here is trying to break it up into pieces-- is the first one just from 0 to y, and the next one from y to 2y?
calculus integration multivariable-calculus
$endgroup$
I am having issues switching an iterated integral from dxdy to dydx:
Switch the integral $int_0^2 int_y^2y6xy$ dx dy to a dy dx integral in the form of $int_0^2 int_...^...6xydydx$ + $int_2^4 int_...^...6xydydx$
What I'm having issues with here is trying to break it up into pieces-- is the first one just from 0 to y, and the next one from y to 2y?
calculus integration multivariable-calculus
calculus integration multivariable-calculus
asked Oct 25 '17 at 0:21
Scott BScott B
1
1
2
$begingroup$
How about drawing the region of integration?
$endgroup$
– Lord Shark the Unknown
Oct 25 '17 at 0:22
$begingroup$
The hard part for me is that it is in 3 dimension-- do I draw the traces, for instance, holding X constant?
$endgroup$
– Scott B
Oct 25 '17 at 0:24
1
$begingroup$
But it's not in three dimensions. The domain is a subset of the plane. Draw the set $$left(x,y) : 0 leq y leq 2, y leq x leq 2yright$$
$endgroup$
– Matthew Leingang
Oct 25 '17 at 0:40
$begingroup$
Right, so x goes from 0 to 4. So then, for the y, would it be from x to x/2 ?
$endgroup$
– Scott B
Oct 25 '17 at 0:58
add a comment |
2
$begingroup$
How about drawing the region of integration?
$endgroup$
– Lord Shark the Unknown
Oct 25 '17 at 0:22
$begingroup$
The hard part for me is that it is in 3 dimension-- do I draw the traces, for instance, holding X constant?
$endgroup$
– Scott B
Oct 25 '17 at 0:24
1
$begingroup$
But it's not in three dimensions. The domain is a subset of the plane. Draw the set $$left(x,y) : 0 leq y leq 2, y leq x leq 2yright$$
$endgroup$
– Matthew Leingang
Oct 25 '17 at 0:40
$begingroup$
Right, so x goes from 0 to 4. So then, for the y, would it be from x to x/2 ?
$endgroup$
– Scott B
Oct 25 '17 at 0:58
2
2
$begingroup$
How about drawing the region of integration?
$endgroup$
– Lord Shark the Unknown
Oct 25 '17 at 0:22
$begingroup$
How about drawing the region of integration?
$endgroup$
– Lord Shark the Unknown
Oct 25 '17 at 0:22
$begingroup$
The hard part for me is that it is in 3 dimension-- do I draw the traces, for instance, holding X constant?
$endgroup$
– Scott B
Oct 25 '17 at 0:24
$begingroup$
The hard part for me is that it is in 3 dimension-- do I draw the traces, for instance, holding X constant?
$endgroup$
– Scott B
Oct 25 '17 at 0:24
1
1
$begingroup$
But it's not in three dimensions. The domain is a subset of the plane. Draw the set $$left(x,y) : 0 leq y leq 2, y leq x leq 2yright$$
$endgroup$
– Matthew Leingang
Oct 25 '17 at 0:40
$begingroup$
But it's not in three dimensions. The domain is a subset of the plane. Draw the set $$left(x,y) : 0 leq y leq 2, y leq x leq 2yright$$
$endgroup$
– Matthew Leingang
Oct 25 '17 at 0:40
$begingroup$
Right, so x goes from 0 to 4. So then, for the y, would it be from x to x/2 ?
$endgroup$
– Scott B
Oct 25 '17 at 0:58
$begingroup$
Right, so x goes from 0 to 4. So then, for the y, would it be from x to x/2 ?
$endgroup$
– Scott B
Oct 25 '17 at 0:58
add a comment |
1 Answer
1
active
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votes
$begingroup$
The domain of integration is the inside of the triangle with vertices at the points $(0,0)$, $(2,2)$ and $(4,2)$, bounded by the lines:$y=x$, $y=x/2$ and $y=2$. The integral of an arbitrary function $f(x,y)$ in this domain can be done first in $x$ and then in $y$, or first in $y$ and then in $x$:
$$int_0^2dyint_y^2yf(x,y),dx = int_0^2dxint_x/2^xf(x,y),dy+int_2^4dxint_x/2^2f(x,y),dy$$
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$begingroup$
The domain of integration is the inside of the triangle with vertices at the points $(0,0)$, $(2,2)$ and $(4,2)$, bounded by the lines:$y=x$, $y=x/2$ and $y=2$. The integral of an arbitrary function $f(x,y)$ in this domain can be done first in $x$ and then in $y$, or first in $y$ and then in $x$:
$$int_0^2dyint_y^2yf(x,y),dx = int_0^2dxint_x/2^xf(x,y),dy+int_2^4dxint_x/2^2f(x,y),dy$$
$endgroup$
add a comment |
$begingroup$
The domain of integration is the inside of the triangle with vertices at the points $(0,0)$, $(2,2)$ and $(4,2)$, bounded by the lines:$y=x$, $y=x/2$ and $y=2$. The integral of an arbitrary function $f(x,y)$ in this domain can be done first in $x$ and then in $y$, or first in $y$ and then in $x$:
$$int_0^2dyint_y^2yf(x,y),dx = int_0^2dxint_x/2^xf(x,y),dy+int_2^4dxint_x/2^2f(x,y),dy$$
$endgroup$
add a comment |
$begingroup$
The domain of integration is the inside of the triangle with vertices at the points $(0,0)$, $(2,2)$ and $(4,2)$, bounded by the lines:$y=x$, $y=x/2$ and $y=2$. The integral of an arbitrary function $f(x,y)$ in this domain can be done first in $x$ and then in $y$, or first in $y$ and then in $x$:
$$int_0^2dyint_y^2yf(x,y),dx = int_0^2dxint_x/2^xf(x,y),dy+int_2^4dxint_x/2^2f(x,y),dy$$
$endgroup$
The domain of integration is the inside of the triangle with vertices at the points $(0,0)$, $(2,2)$ and $(4,2)$, bounded by the lines:$y=x$, $y=x/2$ and $y=2$. The integral of an arbitrary function $f(x,y)$ in this domain can be done first in $x$ and then in $y$, or first in $y$ and then in $x$:
$$int_0^2dyint_y^2yf(x,y),dx = int_0^2dxint_x/2^xf(x,y),dy+int_2^4dxint_x/2^2f(x,y),dy$$
answered Oct 25 '17 at 4:57
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Anders BetaAnders Beta
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2
$begingroup$
How about drawing the region of integration?
$endgroup$
– Lord Shark the Unknown
Oct 25 '17 at 0:22
$begingroup$
The hard part for me is that it is in 3 dimension-- do I draw the traces, for instance, holding X constant?
$endgroup$
– Scott B
Oct 25 '17 at 0:24
1
$begingroup$
But it's not in three dimensions. The domain is a subset of the plane. Draw the set $$left(x,y) : 0 leq y leq 2, y leq x leq 2yright$$
$endgroup$
– Matthew Leingang
Oct 25 '17 at 0:40
$begingroup$
Right, so x goes from 0 to 4. So then, for the y, would it be from x to x/2 ?
$endgroup$
– Scott B
Oct 25 '17 at 0:58