# Latest **URL:** https://community.wolfram.com/latest.md [Latest](https://community.wolfram.com/latest.md) · [Categories](https://community.wolfram.com/categories.md) · [Tags](https://community.wolfram.com/tags.md) --- ## [\[UPDATE\] Wolfram Community Fall 2026: new features and redesign](https://community.wolfram.com/t/update-wolfram-community-fall-2026-new-features-and-redesign/27528)
**Author:** [@Vitaliyk](https://community.wolfram.com/u/Vitaliyk)\ **Replies:** 4\ **Last updated:** [September 16, 2026, 9:16pm UTC](https://community.wolfram.com/t/update-wolfram-community-fall-2026-new-features-and-redesign/27528 "2026-09-16T21:16:45Z")
Welcome back! Wolfram Community has moved to a new platform, and we’re pleased to introduce the updated site. Your existing posts and profiles are here, along with the discussions built over the years. The new interface … --- ## [How can I create a graphic representation of a relational database schema in Wolfram Language?](https://community.wolfram.com/t/how-can-i-create-a-graphic-representation-of-a-relational-database-schema-in-wolfram-language/28277)
**Author:** [@rimarlag](https://community.wolfram.com/u/rimarlag)\ **Replies:** 3\ **Last updated:** [October 15, 2026, 12:29pm UTC](https://community.wolfram.com/t/how-can-i-create-a-graphic-representation-of-a-relational-database-schema-in-wolfram-language/28277 "2026-10-15T12:29:11Z")
How can I create a schema like the one shown below. Taken from the Relational Databases Quick Start guide found in the Wolfram documentation: --- ## [Try to beat these MRB constant records!](https://community.wolfram.com/t/try-to-beat-these-mrb-constant-records/3599)
**Author:** [@bmmmburns](https://community.wolfram.com/u/bmmmburns)\ **Replies:** 29\ **Last updated:** [October 15, 2026, 12:07am UTC](https://community.wolfram.com/t/try-to-beat-these-mrb-constant-records/3599 "2026-10-15T00:07:21Z")
POSTED BY: Marvin Ray Burns, and distinguished colleagues My exciting experiences using Wolfram technologies! Unless otherwise stated, all infographics in this discussion were drafted with the help of AI. Any given no… --- ## [A new version of Hügelschäffer Egg](https://community.wolfram.com/t/a-new-version-of-hugelschaffer-egg/28340)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 14, 2026, 8:05pm UTC](https://community.wolfram.com/t/a-new-version-of-hugelschaffer-egg/28340 "2026-10-14T20:05:18Z")
Open in Wolfram Cloud ↗ --- ## [Packing an ellipse inside an isosceles triangle](https://community.wolfram.com/t/packing-an-ellipse-inside-an-isosceles-triangle/28339)
**Author:** [@fkampas](https://community.wolfram.com/u/fkampas)\ **Replies:** 0\ **Last updated:** [October 14, 2026, 7:30pm UTC](https://community.wolfram.com/t/packing-an-ellipse-inside-an-isosceles-triangle/28339 "2026-10-14T19:30:00Z")
Open in Wolfram Cloud ↗ --- ## [Devices of difference in games of complementarity](https://community.wolfram.com/t/devices-of-difference-in-games-of-complementarity/28337)
**Author:** [@pharrald](https://community.wolfram.com/u/pharrald)\ **Replies:** 1\ **Last updated:** [October 14, 2026, 7:09pm UTC](https://community.wolfram.com/t/devices-of-difference-in-games-of-complementarity/28337 "2026-10-14T19:09:21Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (3.0 MB) --- ## [The quantum cartographer: mapping curvature, topology, and geodesics in quantum state space](https://community.wolfram.com/t/the-quantum-cartographer-mapping-curvature-topology-and-geodesics-in-quantum-state-space/28327)
**Author:** [@rihaan2901](https://community.wolfram.com/u/rihaan2901)\ **Replies:** 1\ **Last updated:** [October 13, 2026, 4:32pm UTC](https://community.wolfram.com/t/the-quantum-cartographer-mapping-curvature-topology-and-geodesics-in-quantum-state-space/28327 "2026-10-13T16:32:49Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (5.1 MB) --- ## [Quantum tunneling and nonlinear dynamics: from tunnel diodes to chaos](https://community.wolfram.com/t/quantum-tunneling-and-nonlinear-dynamics-from-tunnel-diodes-to-chaos/28305)
**Author:** [@guhanst91](https://community.wolfram.com/u/guhanst91)\ **Replies:** 2\ **Last updated:** [October 13, 2026, 2:38pm UTC](https://community.wolfram.com/t/quantum-tunneling-and-nonlinear-dynamics-from-tunnel-diodes-to-chaos/28305 "2026-10-13T14:38:36Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (985.3 KB) --- ## [Three-component chromatographic separation: equilibrium-dispersive model with competitive langmuir isotherms](https://community.wolfram.com/t/three-component-chromatographic-separation-equilibrium-dispersive-model-with-competitive-langmuir-isotherms/28328)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 13, 2026, 9:24am UTC](https://community.wolfram.com/t/three-component-chromatographic-separation-equilibrium-dispersive-model-with-competitive-langmuir-isotherms/28328 "2026-10-13T09:24:44Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (403.6 KB) --- ## [Wolfram System Modeler at the Asian Modelica & FMI Conference 2026](https://community.wolfram.com/t/wolfram-system-modeler-at-the-asian-modelica-fmi-conference-2026/28062)
**Author:** [@ankitn](https://community.wolfram.com/u/ankitn)\ **Replies:** 1\ **Last updated:** [October 13, 2026, 8:18am UTC](https://community.wolfram.com/t/wolfram-system-modeler-at-the-asian-modelica-fmi-conference-2026/28062 "2026-10-13T08:18:33Z")
The Asian Modelica & FMI Conference 2026 takes place in Hangzhou, China, on September 21–22. This is the first time the conference is held in China, hosted at Beihang University’s Hangzhou campus. Wolfram System Mode… --- ## [The Delanges trisectrix and its inversion to Dürer's folium](https://community.wolfram.com/t/the-delanges-trisectrix-and-its-inversion-to-durers-folium/28324)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 12, 2026, 10:18pm UTC](https://community.wolfram.com/t/the-delanges-trisectrix-and-its-inversion-to-durers-folium/28324 "2026-10-12T22:18:57Z")
Open in Wolfram Cloud ↗ --- ## [An introduction to multivariate zeta functions](https://community.wolfram.com/t/an-introduction-to-multivariate-zeta-functions/28317)
**Author:** [@jayantap](https://community.wolfram.com/u/jayantap)\ **Replies:** 1\ **Last updated:** [October 12, 2026, 3:26pm UTC](https://community.wolfram.com/t/an-introduction-to-multivariate-zeta-functions/28317 "2026-10-12T15:26:24Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (2.7 MB) --- ## [When are flat lists treated as rows or columns in vector and matrix operations?](https://community.wolfram.com/t/when-are-flat-lists-treated-as-rows-or-columns-in-vector-and-matrix-operations/28309)
**Author:** [@jgourle21](https://community.wolfram.com/u/jgourle21)\ **Replies:** 4\ **Last updated:** [October 12, 2026, 10:48am UTC](https://community.wolfram.com/t/when-are-flat-lists-treated-as-rows-or-columns-in-vector-and-matrix-operations/28309 "2026-10-12T10:48:46Z")
Is there documentation that explains how Mathematica functions handle vectors and matrices. I assume there is some simple reasoning for when {a,b} is a column and when it’s a row that would allow me to avoid detouring t… --- ## [The physical mechanics of discrete hypergraphs: TTDS framework and the resolution of quantum non-locality](https://community.wolfram.com/t/the-physical-mechanics-of-discrete-hypergraphs-ttds-framework-and-the-resolution-of-quantum-non-locality/28315)
**Author:** [@CZERNEK](https://community.wolfram.com/u/CZERNEK)\ **Replies:** 0\ **Last updated:** [October 12, 2026, 8:53am UTC](https://community.wolfram.com/t/the-physical-mechanics-of-discrete-hypergraphs-ttds-framework-and-the-resolution-of-quantum-non-locality/28315 "2026-10-12T08:53:11Z")
Official Preprint DOI: 10.5281/zenodo.23301937 Link: Topological Theory of Deformed Space (TTDS): A Discrete Mechanical Framework for Gravity and Quantum Wave Kinematics. Overview The Topological Theory of Deformed Spac… --- ## [Albert Dürer folium](https://community.wolfram.com/t/albert-durer-folium/28312)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 11, 2026, 10:05pm UTC](https://community.wolfram.com/t/albert-durer-folium/28312 "2026-10-11T22:05:15Z")
Open in Wolfram Cloud ↗ --- ## [Hbar not displaying in Notebook Assistant answers](https://community.wolfram.com/t/hbar-not-displaying-in-notebook-assistant-answers/28308)
**Author:** [@kubalajp](https://community.wolfram.com/u/kubalajp)\ **Replies:** 0\ **Last updated:** [October 11, 2026, 4:50pm UTC](https://community.wolfram.com/t/hbar-not-displaying-in-notebook-assistant-answers/28308 "2026-10-11T16:50:31Z")
Open in Wolfram Cloud ↗ --- ## [Competitive langmuir chromatography of a binary mixture: equilibrium-dispersive simulation and moment analysis](https://community.wolfram.com/t/competitive-langmuir-chromatography-of-a-binary-mixture-equilibrium-dispersive-simulation-and-moment-analysis/28307)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 11, 2026, 4:16pm UTC](https://community.wolfram.com/t/competitive-langmuir-chromatography-of-a-binary-mixture-equilibrium-dispersive-simulation-and-moment-analysis/28307 "2026-10-11T16:16:20Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (295.9 KB) --- ## [Eigenvalues for diffusion in a plane sheet with surface evaporation: Crank’s Table 4.2 via NDSolve](https://community.wolfram.com/t/eigenvalues-for-diffusion-in-a-plane-sheet-with-surface-evaporation-crank-s-table-4-2-via-ndsolve/28303)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 10, 2026, 7:48pm UTC](https://community.wolfram.com/t/eigenvalues-for-diffusion-in-a-plane-sheet-with-surface-evaporation-crank-s-table-4-2-via-ndsolve/28303 "2026-10-10T19:48:59Z")
Open in Wolfram Cloud ↗ --- ## [Roots of the cylinder uptake equation from a stirred solution of limited volume](https://community.wolfram.com/t/roots-of-the-cylinder-uptake-equation-from-a-stirred-solution-of-limited-volume/28302)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 10, 2026, 4:32pm UTC](https://community.wolfram.com/t/roots-of-the-cylinder-uptake-equation-from-a-stirred-solution-of-limited-volume/28302 "2026-10-10T16:32:54Z")
Open in Wolfram Cloud ↗ --- ## [Mathematica, Wolfram|One, and other products are now accessed via the new unified WOLFRAM app](https://community.wolfram.com/t/mathematica-wolfram-one-and-other-products-are-now-accessed-via-the-new-unified-wolfram-app/24374)
**Author:** [@wolframcommunity](https://community.wolfram.com/u/wolframcommunity)\ **Replies:** 16\ **Last updated:** [October 10, 2026, 1:27pm UTC](https://community.wolfram.com/t/mathematica-wolfram-one-and-other-products-are-now-accessed-via-the-new-unified-wolfram-app/24374 "2026-10-10T13:27:45Z")
Starting with Version 14.1, Wolfram|One, Mathematica, Wolfram|Alpha Notebook Edition, and Finance Platform are all accessed through the new unified product, Wolfram. The Wolfram application was created to ensure a sim… --- ## [Bugs in a Mathematica Rubik's cube notebook: a capa sign error rotates the wrong layer, and 3 puntos coordinates are duplicated](https://community.wolfram.com/t/bugs-in-a-mathematica-rubiks-cube-notebook-a-capa-sign-error-rotates-the-wrong-layer-and-3-puntos-coordinates-are-duplicated/28299)
**Author:** [@camelon](https://community.wolfram.com/u/camelon)\ **Replies:** 0\ **Last updated:** [October 10, 2026, 8:32am UTC](https://community.wolfram.com/t/bugs-in-a-mathematica-rubiks-cube-notebook-a-capa-sign-error-rotates-the-wrong-layer-and-3-puntos-coordinates-are-duplicated/28299 "2026-10-10T08:32:45Z")
I have a notebook that renders a Rubik’s cube group visualization with two synchronized panes: a 2D permutation diagram on top (54 sticker dots over 9 background circles) and an animated 3D cube below. Both panes are dri… --- ## [Algebraic Hirota construction of one- and two-soliton solutions of the DNLS equation and their Bohmian trajectories](https://community.wolfram.com/t/algebraic-hirota-construction-of-one-and-two-soliton-solutions-of-the-dnls-equation-and-their-bohmian-trajectories/28298)
**Author:** [@kvbloh](https://community.wolfram.com/u/kvbloh)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 8:01pm UTC](https://community.wolfram.com/t/algebraic-hirota-construction-of-one-and-two-soliton-solutions-of-the-dnls-equation-and-their-bohmian-trajectories/28298 "2026-10-09T20:01:21Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (10.8 MB) --- ## [Colored four-arc curve plot with equation labels](https://community.wolfram.com/t/colored-four-arc-curve-plot-with-equation-labels/28295)
**Author:** [@camelon](https://community.wolfram.com/u/camelon)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 2:50pm UTC](https://community.wolfram.com/t/colored-four-arc-curve-plot-with-equation-labels/28295 "2026-10-09T14:50:03Z")
The curve defined by x²+y²=4|x|+4|y| can be expanded, quadrant by quadrant, into the equations of four circles, splitting the whole curve into four regions, each corresponding to a semicircular arc. When drawing the plot… --- ## [AILAND: topological invariants in protein folding and visuo-postural reset](https://community.wolfram.com/t/ailand-topological-invariants-in-protein-folding-and-visuo-postural-reset/28163)
**Author:** [@Adamoli](https://community.wolfram.com/u/Adamoli)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 11:48am UTC](https://community.wolfram.com/t/ailand-topological-invariants-in-protein-folding-and-visuo-postural-reset/28163 "2026-10-09T11:48:01Z")
Within the H\_0 framework, complex dynamical systems — whether polypeptide chains or neuromuscular feedback loops — are represented as high-dimensional hypergraphs. Structural relaxation corresponds to a topological contr… --- ## [Laminar flat-plate boundary layer: Blasius and Pohlhausen solutions](https://community.wolfram.com/t/laminar-flat-plate-boundary-layer-blasius-and-pohlhausen-solutions/28281)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 8:08pm UTC](https://community.wolfram.com/t/laminar-flat-plate-boundary-layer-blasius-and-pohlhausen-solutions/28281 "2026-10-08T20:08:35Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (260.0 KB) --- ## [$Failed\[ResourceFunction\["MobileAutomaton"\]](https://community.wolfram.com/t/failed-resourcefunction-mobileautomaton/27989)
**Author:** [@christiaanvandamme](https://community.wolfram.com/u/christiaanvandamme)\ **Replies:** 4\ **Last updated:** [October 8, 2026, 6:44pm UTC](https://community.wolfram.com/t/failed-resourcefunction-mobileautomaton/27989 "2026-10-08T18:44:08Z")
After the update to Version 15.0.1.0 an error apeared when using Resourcefunctions in a certain combination. ResourceFunction\[“MobileAutomatonPlot”\]\[ResourceFunction\[“MobileAutomaton”\]\[…\] This result in $Failed without… --- ## [Momentum and thermal boundary layers on a flat plate](https://community.wolfram.com/t/momentum-and-thermal-boundary-layers-on-a-flat-plate/28288)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 6:17pm UTC](https://community.wolfram.com/t/momentum-and-thermal-boundary-layers-on-a-flat-plate/28288 "2026-10-08T18:17:37Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (341.3 KB) --- ## [\[WSRP26\] Exploring the effects of payoffs on games between programs](https://community.wolfram.com/t/wsrp26-exploring-the-effects-of-payoffs-on-games-between-programs/27244)
**Author:** [@flametail6tails](https://community.wolfram.com/u/flametail6tails)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 6:00pm UTC](https://community.wolfram.com/t/wsrp26-exploring-the-effects-of-payoffs-on-games-between-programs/27244 "2026-10-08T18:00:21Z")
Open in Wolfram Cloud ↗ --- ## [Evolving the full strategy space from “Games between Programs”](https://community.wolfram.com/t/evolving-the-full-strategy-space-from-games-between-programs/28293)
**Author:** [@seanmcclure](https://community.wolfram.com/u/seanmcclure)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 5:57pm UTC](https://community.wolfram.com/t/evolving-the-full-strategy-space-from-games-between-programs/28293 "2026-10-08T17:57:22Z")
In Games between Programs, Stephen Wolfram enumerated every strategy a small finite-state machine can encode for the iterated Prisoner’s Dilemma and ranked them by average payoff against all others. Following a suggestio… --- ## [Supergravity flows, wormholes and their pseudo-Hermitian holographic duals](https://community.wolfram.com/t/supergravity-flows-wormholes-and-their-pseudo-hermitian-holographic-duals/28292)
**Author:** [@JM\_Begines](https://community.wolfram.com/u/JM_Begines)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 4:59pm UTC](https://community.wolfram.com/t/supergravity-flows-wormholes-and-their-pseudo-hermitian-holographic-duals/28292 "2026-10-08T16:59:08Z")
Possible formation of the wormhole. Two stacks of branes and anti-branes form throats inside an asymptotically flat spacetime when they backreact. Open in Wolfram Cloud ↗ DOWNLOAD-DESKTO… [Next page](https://community.wolfram.com/latest.md?page=1)