Analyze sensitivity

Disabled by default.

You may use sensitivity analysis (SA) to explore function behavior when inputs are varied in predefined ranges. Enable this feature and click SA icon on the top panel.

Result

Short sample

Your script header

//meta.features: {"sens-analysis": true}

Full sample

https://public.datagrok.ai/scripts

//name: Object cooling
//description: Uses Newton's law of cooling to simulate object cooling process. Default values are for cube of boiling water in air.
//language: javascript
//tags: simulation, demo
//input: double ambTemp = 22 {caption: Ambient temperature; units: C; category: Environment; block: 50; validator: Compute:AmbTempValidator; }
//input: double initTemp = 100 {caption: Initial temperature; units: C; category: Environment; block: 50; validator: Compute:InitialTempValidator; }
//input: double desiredTemp = 30 {caption: Desired temperature; units: C; category: Environment; validator: Compute:DesiredTempValidator; }
//input: double area = 0.06 {caption: Surface area; units: m²; category: Object properties}
//input: double heatCap = 4200 {caption: Heat capacity; units: J/C; category: Object properties; validator: Compute:HeatCapValidator; }
//input: double heatTransferCoeff = 8.3 {caption: Heat transfer coefficient; units: W/(m² * C); category: Object properties}
//input: int simTime = 21600 {caption: Simulation time; units: sec; category: Simulation; validator: Compute:SimTimeValidator; validatorOptions: { "reasonableMin": 10800, "reasonableMax": 100000} }
//output: dataframe simulation {caption: Temp. vs time; category: Output; viewer: Line chart(block: 75) | Grid(block: 25)}
//output: double timeToCool {caption: Time to cool; units: sec.; category: Output}
//output: double coolingFactor {caption: Cooling factor; units: 1 / sec.; category: Calculations}
//output: double tempDiff {caption: Temperature difference; units: C; category: Calculations}
//editor: Compute:RichFunctionViewEditor
//meta.features: {"sens-analysis": true}
//meta.foldedCategories: ["Object properties"]

timeToCool = undefined;

const tempDiff = initTemp - ambTemp;
const coolingFactor = heatTransferCoeff * area / heatCap;

const timeStamps = new Float32Array(simTime).map((_, idx) => idx);
const simulatedTemp = timeStamps.map((timeStamp) => {
  const currentTemp = ambTemp + (tempDiff * (Math.E ** -(coolingFactor * timeStamp)));

  if (!timeToCool && currentTemp < desiredTemp) {
    timeToCool = timeStamp;
  }

  return currentTemp;
});

simulation = DG.DataFrame.fromColumns([
  DG.Column.fromFloat32Array('Time', timeStamps),
  DG.Column.fromFloat32Array('Temperature', simulatedTemp),
]);