集册 Java实例教程 按给定的指数计算双精度数组中所有值的指数。

按给定的指数计算双精度数组中所有值的指数。

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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计算给定指数的双精度数组中所有值的指数。


//package com.nowjava;
/**
 from
* 时   代    Java - nowjava.com 
**/


public class Main {

    public static void main(String[] argv) throws Exception {

        double[] array = new double[] { 34.45, 35.45, 36.67, 37.78,

                37.0000, 37.1234, 67.2344, 68.34534, 69.87700 };

        float exponent = 2.45678f;

        System.out.println(java.util.Arrays.toString(exponentiateAll(array,

                exponent)));

    }


    /**

     * Exponentiates all values in an array of doubles by a given exponent.

     *

     * @param array   Array of doubles to be exponentiated.

     * @param exponent   An exponent.

     * @return   Array with exponentiated values.

     */

    public static double[] exponentiateAll(double[] array, float exponent) {


        for (int i = 0; i < array.length; i++) {

            array[i] = Math.pow(array[i], exponent);

        }
/**from 时 代 J a v a 公 众 号 - nowjava.com**/

        return array;

    }


    /**

     * Exponentiates all values in an array of integers by a given exponent.

     *

     * @param array   Array of integers to be exponentiated.

     * @param exponent   An exponent.

     * @return   Array with exponentiated values.

     */

    public static double[] exponentiateAll(int[] array, float exponent) {


        double[] newArray = new double[array.length];

        for (int i = 0; i < array.length; i++) {

            newArray[i] = Math.pow(array[i], exponent);

        }


        return newArray;

    }


    /**

     * Exponentiates all values in an array of floats by a given exponent.

     *

     * @param array   Array of floats to be exponentiated.

     * @param exponent   An exponent.

     * @return   Array with exponentiated values.

     */

    public static float[] exponentiateAll(float[] array, float exponent) {


        float[] newArray = new float[array.length];

        for (int i = 0; i < array.length; i++) {

            newArray[i] = (float) Math.pow(array[i], exponent);

        }


        return newArray;

    }


    /**

     * Exponentiates all values in an array of longs by a given exponent.

     *

     * @param array   Array of longs to be exponentiated.

     * @param exponent   An exponent.

     * @return   Array with exponentiated values.

     */

    public static double[] exponentiateAll(long[] array, float exponent) {


        double[] newArray = new double[array.length];

        for (int i = 0; i < array.length; i++) {

            newArray[i] = Math.pow(array[i], exponent);

        }


        return newArray;

    }


    /**

     * Exponentiates all values in an array of bytes by a given exponent.

     *

     * @param array   Array of bytes to be exponentiated.

     * @param exponent   An exponent.

     * @return   Array with exponentiated values.

     */

    public static float[] exponentiateAll(byte[] array, float exponent) {


        float[] newArray = new float[array.length];

        for (int i = 0; i < array.length; i++) {

            newArray[i] = (float) Math.pow(array[i], exponent);

        }


        return newArray;

    }


    /**

     * Exponentiates all values in a matrix of doubles by a given exponent.

     *

     * @param matrix   Matrix of doubles to be exponentiated.

     * @param exponent   An exponent.

     * @return   Matrix with exponentiated values.

     */

    public static double[][] exponentiateAll(double[][] matrix,

            float exponent) {


        for (double[] column : matrix) {

            for (int j = 0; j < matrix[0].length; j++) {

                column[j] = Math.pow(column[j], exponent);

            }

        }


        return matrix;


    }


    /**

     * Exponentiates all values in a matrix of integers by a given exponent.

     *

     * @param matrix   Matrix of integers to be exponentiated.

     * @param exponent   An exponent.

     * @return   Matrix with exponentiated values.

     */

    public static double[][] exponentiateAll(int[][] matrix, float exponent) {


        double[][] newMatrix = new double[matrix.length][matrix[0].length];

        for (int i = 0; i < matrix.length; i++) {

            for (int j = 0; j < matrix[0].length; j++) {

                newMatrix[i][j] = Math.pow(matrix[i][j], exponent);

            }

        }


        return newMatrix;


    }


    /**

     * Exponentiates all values in a matrix of floats by a given exponent.

     *

     * @param matrix   Matrix of floats to be exponentiated.

     * @param exponent   An exponent.

     * @return   Matrix with exponentiated values.

     */

    public static float[][] exponentiateAll(float[][] matrix, float exponent) {


        float[][] newMatrix = new float[matrix.length][matrix[0].length];

        for (int i = 0; i < matrix.length; i++) {

            for (int j = 0; j < matrix[0].length; j++) {

                newMatrix[i][j] = (float) Math.pow(matrix[i][j], exponent);

            }

        }


        return newMatrix;


    }


    /**

     * Exponentiates all values in a matrix of longs by a given exponent.

     *

     * @param matrix   Matrix of longs to be exponentiated.

     * @param exponent   An exponent.

     * @return   Matrix with exponentiated values.

     */

    public static double[][] exponentiateAll(long[][] matrix, float exponent) {


        double[][] newMatrix = new 
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