> For the complete documentation index, see [llms.txt](https://docs.geopard.tech/geopard-tutorials/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geopard.tech/geopard-tutorials/dnk/api-dokumentation/diagrammer-med-grundlaeggende-forlob/5.-kor-ligninger.md).

# 5. Kør ligninger

Sekvensdiagrammet Udfør Ligninger illustrerer processen med at udføre ligninger inden for GeoPard-løsningen.

Typisk anbefales det at bruge forud gemte ligninger fra konto- eller organisationsniveau. En ligning indeholder altid links til andre datasæt, såsom SoilDataset (jorddatasæt), AsAppliedDataset (påført-datasæt), YieldDataset (udbyttedatasæt), SatelliteImage (satellitbillede) osv. Attributter fra disse linkede datasæt fungerer som variable i ligningen, hvilket betyder, at datasætdetaljer indsamles på forhånd. De mest almindeligt brugte datasæt er SoilDatasets ([Forespørgsel 1 eller R1](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/17.-foresporgsel-hent-soildatasets.md)), AsAppliedDatasæt ([Forespørgsel 1 eller R1](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/59.-foresporgsel-hent-asapplieddatasets.md)), og YieldDataset ([Forespørgsel 1 eller R1](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/16.-foresporgsel-hent-yielddatasets.md)).

Udførelsen af ligningen startes asynkront. Den første forespørgsel udløser udførelsen af ligningen og returnerer UUID'er, der identificerer den tilsvarende EquationMap (ligningskort) ([Forespørgsel 2 eller R2](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/75.-mutation-generer-equationmap-asynkront.md) ). Resumeet af denne udførelse leveres via GraphQL-abonnementshændelser over WebSocket ([Forespørgsel 3 eller R3](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/1.-abonnement-hent-haendelser.md) ). Når hændelsen leveres, kan GeoPard API-forbrugeren hente oplysninger såsom metadata, statistik og geometrier ([Forespørgsel 4 eller R4](/geopard-tutorials/dnk/api-dokumentation/overblik-over-geopard-api-anmodninger/76.-foresporgsel-hent-equationmap.md)).

GeoPards hændelsesdrevne arkitektur sikrer et robust, effektivt og responsivt system til at udføre ligninger og hente deres resultater.

<figure><img src="https://1581835146-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FYICBELdyAXXebKAzfLOR%2Fuploads%2F9JqRQu208BIu74IPw0BX%2Fimage.png?alt=media&amp;token=f503851e-f67a-4bac-bb32-a2bf8cbbe136" alt=""><figcaption><p>Sekvensdiagram: Udfør ligning</p></figcaption></figure>


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