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dtn
7:00 AM
Subscript[f, 1] = -Subscript[A, 21]^2 Subscript[B, x1]^2 -
4 Subscript[A, 11] Subscript[A, 21] Subscript[B, x1] Subscript[B,
z1] - Subscript[A, 11]^2 Subscript[B, z1]^2 +
Subscript[A, 21]^2 Subscript[CC, x1]^2 +
4 Subscript[A, 11] Subscript[A, 21] Subscript[CC, x1] Subscript[CC,
z1] + Subscript[A, 11]^2 Subscript[CC,
z1]^2 - (2 (Subscript[A, 21] Subscript[A, z1] Subscript[СС,
11] + (Subscript[A, 11] Subscript[A, z1] +
Subscript[A, 21] Subscript[A, x1]) Subscript[СС,
21])) Subscript[CC,
x1] - (2 ((Subscript[A, 11] Subscript[A, z1] +
Collect[Subscript[f, 1], {Subscript[A, 11],
\!\(\*SubsuperscriptBox[\(СС\), \(11\), \(2\)]\),
\!\(\*SubsuperscriptBox[\(B\), \(11\), \(2\)]\),
\!\(\*SubsuperscriptBox[\(СС\), \(21\), \(2\)]\),
\!\(\*SubsuperscriptBox[\(A\), \(21\), \(2\)]\),
Subscript[СС, 11] Subscript[СС, 21],
Subscript[A, 11] Subscript[A, 21],
Subscript[A, 11] Subscript[СС, 21]}]
Some components are not collected, although they are specified in the 'Collect' command.
 
 
10 hours later…
4:41 PM
posted on January 28, 2022 by Stephen Wolfram

Two years ago we released Version 12.0 of the Wolfram Language. Here are the updates in notebook interfaces since then, including the latest features in 13.0. The contents of this post are compiled from Stephen Wolfram’s Release Announcements for 12.1, 12.2, 12.3 and 13.0.   The Desktop Interface to the Cloud (December 2020) An important […]

 
 
3 hours later…
7:44 PM
0
Q: Plot contour as a parameter varies in a certain range

AyanThe following is a code for plotting the 0.1 contour of the shown expression q = 0.5; Subscript[\[Zeta], 2] = 0.5; Subscript[k, 3] = 1; Subscript[k, 4] = -4.6; ContourPlot[ (1/Pi)* (180* ArcCos[(1 - (1/2)* Re[((1 + Conjugate[(-q^2)*(-1 + B +...

 

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