Java 按给定的指数计算双精度数组中所有值的指数。
计算给定指数的双精度数组中所有值的指数。
实例源码：
源代码：
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//package com.nowjava;4
/**5
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* 时 代 Java - nowjava.com 7
**/8
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public class Main {11
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public static void main(String[] argv) throws Exception {13
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double[] array = new double[] { 34.45, 35.45, 36.67, 37.78,15
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37.0000, 37.1234, 67.2344, 68.34534, 69.87700 };17
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float exponent = 2.45678f;19
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System.out.println(java.util.Arrays.toString(exponentiateAll(array,21
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exponent)));23
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}25
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/**28
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* Exponentiates all values in an array of doubles by a given exponent.30
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*32
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* @param array Array of doubles to be exponentiated.34
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* @param exponent An exponent.36
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* @return Array with exponentiated values.38
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*/40
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public static double[] exponentiateAll(double[] array, float exponent) {42
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for (int i = 0; i < array.length; i++) {45
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array[i] = Math.pow(array[i], exponent);47
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}49
/**from 时 代 J a v a 公 众 号 - nowjava.com**/50
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return array;52
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}54
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/**57
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* Exponentiates all values in an array of integers by a given exponent.59
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*61
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* @param array Array of integers to be exponentiated.63
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* @param exponent An exponent.65
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* @return Array with exponentiated values.67
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*/69
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public static double[] exponentiateAll(int[] array, float exponent) {71
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double[] newArray = new double[array.length];74
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for (int i = 0; i < array.length; i++) {76
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newArray[i] = Math.pow(array[i], exponent);78
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}80
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return newArray;83
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}85
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/**88
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* Exponentiates all values in an array of floats by a given exponent.90
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*92
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* @param array Array of floats to be exponentiated.94
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* @param exponent An exponent.96
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* @return Array with exponentiated values.98
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*/100
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public static float[] exponentiateAll(float[] array, float exponent) {102
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float[] newArray = new float[array.length];105
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for (int i = 0; i < array.length; i++) {107
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newArray[i] = (float) Math.pow(array[i], exponent);109
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}111
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return newArray;114
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}116
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/**119
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* Exponentiates all values in an array of longs by a given exponent.121
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*123
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* @param array Array of longs to be exponentiated.125
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* @param exponent An exponent.127
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* @return Array with exponentiated values.129
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*/131
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public static double[] exponentiateAll(long[] array, float exponent) {133
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double[] newArray = new double[array.length];136
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for (int i = 0; i < array.length; i++) {138
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newArray[i] = Math.pow(array[i], exponent);140
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}142
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return newArray;145
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}147
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/**150
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* Exponentiates all values in an array of bytes by a given exponent.152
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*154
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* @param array Array of bytes to be exponentiated.156
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* @param exponent An exponent.158
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* @return Array with exponentiated values.160
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*/162
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public static float[] exponentiateAll(byte[] array, float exponent) {164
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float[] newArray = new float[array.length];167
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for (int i = 0; i < array.length; i++) {169
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newArray[i] = (float) Math.pow(array[i], exponent);171
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}173
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return newArray;176
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}178
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/**181
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* Exponentiates all values in a matrix of doubles by a given exponent.183
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*185
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* @param matrix Matrix of doubles to be exponentiated.187
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* @param exponent An exponent.189
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* @return Matrix with exponentiated values.191
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*/193
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public static double[][] exponentiateAll(double[][] matrix,195
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float exponent) {197
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for (double[] column : matrix) {200
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for (int j = 0; j < matrix[0].length; j++) {202
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column[j] = Math.pow(column[j], exponent);204
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}206
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}208
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return matrix;211
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}214
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/**217
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* Exponentiates all values in a matrix of integers by a given exponent.219
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*221
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* @param matrix Matrix of integers to be exponentiated.223
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* @param exponent An exponent.225
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* @return Matrix with exponentiated values.227
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*/229
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public static double[][] exponentiateAll(int[][] matrix, float exponent) {231
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double[][] newMatrix = new double[matrix.length][matrix[0].length];234
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for (int i = 0; i < matrix.length; i++) {236
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for (int j = 0; j < matrix[0].length; j++) {238
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newMatrix[i][j] = Math.pow(matrix[i][j], exponent);240
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}242
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}244
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return newMatrix;247
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}250
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/**253
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* Exponentiates all values in a matrix of floats by a given exponent.255
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*257
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* @param matrix Matrix of floats to be exponentiated.259
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* @param exponent An exponent.261
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* @return Matrix with exponentiated values.263
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*/265
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public static float[][] exponentiateAll(float[][] matrix, float exponent) {267
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float[][] newMatrix = new float[matrix.length][matrix[0].length];270
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for (int i = 0; i < matrix.length; i++) {272
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for (int j = 0; j < matrix[0].length; j++) {274
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newMatrix[i][j] = (float) Math.pow(matrix[i][j], exponent);276
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}278
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}280
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return newMatrix;283
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}286
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/**289
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* Exponentiates all values in a matrix of longs by a given exponent.291
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*293
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* @param matrix Matrix of longs to be exponentiated.295
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* @param exponent An exponent.297
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* @return Matrix with exponentiated values.299
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*/301
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public static double[][] exponentiateAll(long[][] matrix, float exponent) {303
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