Question

Showing that an equation for radiation pressure from a star obeys the inverse square law and why this law breaks down near the surface.

score 101 · Answer 1 · 2026-03-25 07:45:36

101

Views

Showing that an equation for radiation pressure from a star obeys the inverse square law and why this law breaks down near the surface.

Published on 25 Mar 2026 - 7:45

score 216 · Answer 2 · 2026-03-28 22:13:40

216

Views

A doubt on the question $C = f^{-1}(f(C)) \iff f$ is injective and the similar surjective version

Published on 28 Mar 2026 - 22:13

score 601 · Answer 3 · 2020-03-28 19:46:03

601

Views

Is a multiplicative inverse a unit itself?

Published on 28 Mar 2020 - 19:46

score 109 · Answer 4 · 2026-03-25 05:05:32

109

Views

Properties of almost tridiagonal matrix.

Published on 25 Mar 2026 - 5:05

score 1.2k · Answer 5 · 2020-03-30 03:51:00

1.2k

Views

Multiplicative Inverse for Elements in an Integer Ring

Published on 30 Mar 2020 - 3:51

score 300 · Answer 6 · 2020-03-30 07:24:37

300

Views

Find the inverse of $f(x)= 3x^2 - 3x -11$, where $x>2$

Published on 30 Mar 2020 - 7:24

score 1.1k · Answer 7 · 2020-03-30 12:28:14

1.1k

Views

If $A A^{-1} = I$, does that automatically imply $A^{-1} A = I$?

Published on 30 Mar 2020 - 12:28

score 35 · Answer 8 · 2026-03-28 11:49:43

35

Views

A type of sequence inversion?

Published on 28 Mar 2026 - 11:49

score 226 · Answer 9 · 2026-03-25 19:04:37

226

Views

Inverse of a stochastic matrix: when is there a strictly negative element?

Published on 25 Mar 2026 - 19:04

score 53 · Answer 10 · 2020-04-01 08:12:31

53

Views

Does bijective function have same right and left inverse?

Published on 01 Apr 2020 - 8:12

score 191 · Answer 11 · 2026-03-27 15:05:39

191

Views

Is there a way to quickly compute diagonal entries of inverse of a positive definite matrix?

Published on 27 Mar 2026 - 15:05

score 685 · Answer 12 · 2026-03-29 18:32:19

685

Views

Jordan matrix of $A$ and $A^{-1}$

Published on 29 Mar 2026 - 18:32

score 378 · Answer 13 · 2026-03-25 12:53:52

378

Views

How can I solve $A\operatorname{diag}(x)=B\;?$

Published on 25 Mar 2026 - 12:53

score 253 · Answer 14 · 2026-03-27 04:17:00

253

Views

Numerical stability by solving with pivoting and without pivoting for lower triangular matrices where 1's at the diagonal?

Published on 27 Mar 2026 - 4:17

score 30 · Answer 15 · 2020-04-05 22:35:48

30

Views

Finding the inverse of a composition

Published on 05 Apr 2020 - 22:35

List Question

Showing that an equation for radiation pressure from a star obeys the inverse square law and why this law breaks down near the surface.

A doubt on the question $C = f^{-1}(f(C)) \iff f$ is injective and the similar surjective version

Is a multiplicative inverse a unit itself?

Properties of almost tridiagonal matrix.

Multiplicative Inverse for Elements in an Integer Ring

Find the inverse of $f(x)= 3x^2 - 3x -11$, where $x>2$

If $A A^{-1} = I$, does that automatically imply $A^{-1} A = I$?

A type of sequence inversion?

Inverse of a stochastic matrix: when is there a strictly negative element?

Does bijective function have same right and left inverse?

Is there a way to quickly compute diagonal entries of inverse of a positive definite matrix?

Jordan matrix of $A$ and $A^{-1}$

How can I solve $A\operatorname{diag}(x)=B\;?$

Numerical stability by solving with pivoting and without pivoting for lower triangular matrices where 1's at the diagonal?

Finding the inverse of a composition

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