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Compute Aerospace Environment · matlab | DecimalAI

scienceby matlab

Compute Aerospace Environment

matlab/matlab-compute-aerospace-environment

Source matlab/matlab-agentic-toolkit ↗License NOASSERTION

Compute aerospace environment properties including atmosphere (ISA, COESA, NRLMSISE-00, non-standard, CIRA), gravity (spherical harmonic, WGS84, zonal, centrifugal), horizontal wind (HWM), magnetic field (WMM, IGRF), geoid height, geocentric radius, space weather data, planetary ephemeris, Earth orientation (polar motion, nutation, delta-UT1, CIP).

SkillScore100Maintained

Automatic

Coding pack

Last verified 8/16/2026

What it changes

Passed 21 of 21 test cases with the skill, and 5 of 21 without it.

Without skill23%

With skill100%

Checks it passed that the model alone missed

The degree argument passed to gravityzonal is the numeric scalar 4.
The code calls deltaUT1 with a Julian date corresponding to the UTC time.
The script calls lla2ecef or geodetic2ecef to perform coordinate transformation.

and 18 more in the full report

17 fixed5 passed either way0 still failing0 broke

Pass-rate lift: +77 pp
Tokens: +127%
Agent turns: 0%
Response time: -58%

Model gemini-3.6-flashMeasured 8/16/2026v122 of 22 cases passed with skill · 21 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/matlab-matlab-compute-aerospace-environment/SKILL.md https://app.decimal.ai/s/matlab-matlab-compute-aerospace-environment/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add matlab-matlab-compute-aerospace-environment, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/matlab-matlab-compute-aerospace-environment/ and pins it in .decimal/skills.lock

decimalai skills add matlab-matlab-compute-aerospace-environment

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/matlab-matlab-compute-aerospace-environment/SKILL.md https://app.decimal.ai/s/matlab-matlab-compute-aerospace-environment/SKILL.md

Raw file: /s/matlab-matlab-compute-aerospace-environment/SKILL.md ↗ · machine-readable summary at /s/matlab-matlab-compute-aerospace-environment.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 16 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 16

Prompt

Write a MATLAB statement to calculate geoid undulation height for a coordinate position at latitude 42.4 degrees North and longitude -71.0 degrees West using the default EGM96 geoid model.

What was checked, without and with the skill
Checked	Without skill	With skill
The longitude parameter provided to geoidheight is formatted in the range [0, 360] degrees (e.g. 289.0 or mod(-71.0, 360)).	Missed	Passed

case-11 · gemini-3.6-flash · 8/16/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md380 linessingle file

Compute Aerospace Environment

Calculate environment properties for aerospace vehicle analysis: atmosphere, gravity, wind, magnetic field, geoid, space weather, planetary ephemeris, and Earth orientation using Aerospace Toolbox functions.

When to Use

Computing atmospheric properties (temperature, pressure, density, speed of sound)
Calculating gravity vectors or acceleration for any planet
Modeling horizontal wind at altitude
Getting magnetic field components for navigation or compass correction
Computing geoid height or geocentric radius
Reading space weather data for NRLMSISE-00 inputs
Computing planet or Moon positions (ephemeris)
Getting Earth orientation parameters (polar motion, nutation, UT1-UTC, CIP)
Any prompt mentioning: atmosphere model, ISA, COESA, NRLMSISE, pressure, temperature, density, speed of sound, gravity model, WGS84, wind model, HWM, magnetic model, WMM, IGRF, geoid, space weather, solar flux, F10.7, Ap index, planet ephemeris, Moon position, Earth nutation, polar motion, UT1, IERS

When NOT to Use

Coordinate frame conversions or rotations — use matlab-convert-aerospace-coordinates
Orbital mechanics or trajectory propagation (use ephemeris for positions, not orbit propagation)
Aerodynamic coefficient calculations
Simulink environment model blocks — use Aerospace Blockset

Workflow

Identify the quantity needed — use the decision table below
Call the function — follow the patterns in this skill for correct syntax
Verify results — check units and magnitude are physically reasonable

Decision Table

Need	Function	Key Input
Standard atmosphere (quick)	`atmosisa`	altitude (m)
1976 COESA atmosphere	`atmoscoesa`	altitude (m)
NRLMSISE-00 (detailed upper atmosphere)	`atmosnrlmsise00`	alt, lat, lon, year, day, UTsec
Non-standard atmosphere (MIL-STD)	`atmosnonstd`	alt + positional string args
CIRA 1986 reference atmosphere	`atmoscira`	lat, ctype, coord, month
Lapse rate atmosphere (custom)	`atmoslapse`	altitude (m) + 9 physical params
Pressure altitude	`atmospalt`	pressure (Pa)

Track record

Benchmark

21 / 21

test cases passed, vs 5 / 21 without

Adoption

Users: 1
Times used: 13

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

matlab / matlab-agentic-toolkit

skills-catalog/aerospace/matlab-compute-aerospace-environment/SKILL.md

View on GitHub ↗

License https://www.mathworks.com/content/dam/mathworks/license/pmrl/license.mdImported 8/3/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

Compute Aerospace Environment

When to Use

When NOT to Use

Workflow

Decision Table

Track record

Benchmark

Adoption

SkillSafety

Source

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