Alexander Nozik
a526dcc16b
# Conflicts: # kmath-core/src/commonMain/kotlin/space/kscience/kmath/linear/MatrixFeatures.kt # kmath-core/src/commonMain/kotlin/space/kscience/kmath/misc/Featured.kt # kmath-ejml/src/main/kotlin/space/kscience/kmath/ejml/_generated.kt # kmath-memory/src/commonMain/kotlin/space/kscience/kmath/memory/MemoryBuffer.kt # kmath-optimization/src/commonMain/kotlin/space/kscience/kmath/optimization/OptimizationBuilder.kt |
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| build.gradle.kts | ||
| README.md | ||
Module kmath-nd4j
ND4J based implementations of KMath abstractions.
- nd4jarraystructure : NDStructure wrapper for INDArray
- nd4jarrayrings : Rings over Nd4jArrayStructure of Int and Long
- nd4jarrayfields : Fields over Nd4jArrayStructure of Float and Double
Artifact:
The Maven coordinates of this project are space.kscience:kmath-nd4j:0.4.0-dev-1.
Gradle Groovy:
repositories {
maven { url 'https://repo.kotlin.link' }
mavenCentral()
}
dependencies {
implementation 'space.kscience:kmath-nd4j:0.4.0-dev-1'
}
Gradle Kotlin DSL:
repositories {
maven("https://repo.kotlin.link")
mavenCentral()
}
dependencies {
implementation("space.kscience:kmath-nd4j:0.4.0-dev-1")
}
Examples
NDStructure wrapper for INDArray:
import org.nd4j.linalg.factory.*
import scientifik.kmath.nd4j.*
import scientifik.kmath.structures.*
val array = Nd4j.ones(2, 2).asDoubleStructure()
println(array[0, 0]) // 1.0
array[intArrayOf(0, 0)] = 24.0
println(array[0, 0]) // 24.0
Fast element-wise and in-place arithmetics for INDArray:
import org.nd4j.linalg.factory.*
import scientifik.kmath.nd4j.*
import scientifik.kmath.operations.*
val field = DoubleNd4jArrayField(intArrayOf(2, 2))
val array = Nd4j.rand(2, 2).asDoubleStructure()
val res = field {
(25.0 / array + 20) * 4
}
println(res.ndArray)
// [[ 250.6449, 428.5840],
// [ 269.7913, 202.2077]]
Contributed by Iaroslav Postovalov.