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Replace Distribution.normal with NormalDistribution

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Iaroslav Postovalov 2020-12-12 21:03:28 +07:00
parent e43aad33fe
commit 2f11660439
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1 changed files with 5 additions and 5 deletions
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examples/src/main/kotlin/kscience/kmath/commons/fit/fitWithAutoDiff.kt
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@ -9,6 +9,7 @@ import kscience.kmath.real.RealVector
import kscience.kmath.real.map
import kscience.kmath.real.step
import kscience.kmath.stat.*
import kscience.kmath.stat.distributions.NormalDistribution
import kscience.kmath.structures.asIterable
import kscience.kmath.structures.toList
import kscience.plotly.*
@ -33,10 +34,9 @@ operator fun TraceValues.invoke(vector: RealVector) {
/**
* Least squares fie with auto-differentiation. Uses `kmath-commons` and `kmath-for-real` modules.
*/
fun main() {
suspend fun main() {
//A generator for a normally distributed values
val generator = Distribution.normal()
val generator = NormalDistribution(2.0, 7.0)
//A chain/flow of random values with the given seed
val chain = generator.sample(RandomGenerator.default(112667))
@ -49,7 +49,7 @@ fun main() {
//Perform an operation on each x value (much more effective, than numpy)
val y = x.map {
val value = it.pow(2) + it + 1
value + chain.nextDouble() * sqrt(value)
value + chain.next() * sqrt(value)
}
// this will also work, but less effective:
// val y = x.pow(2)+ x + 1 + chain.nextDouble()