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Java 将两个整数数组元素中的值相除

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将两个整数数组中的值逐元素相除。

实例源码：

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//package com.nowjava;

public class Main {/*N o w  J a v a  . c o m 提 供*/

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

int[] a = new int[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };

int[] b = new int[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };

System.out.println(java.util.Arrays

.toString(divideElementwise(a, b)));

}

/**

* Divides the values in the two arrays of integers element-wise.

* @param a Array of integer dividends.

* @param b Array of integer divisors.

* @return Result of element-wise division of arrays.

* @throws ArithmeticException Throws exception when the arrays differ in

* length.

public static double[] divideElementwise(int[] a, int[] b)

throws ArithmeticException {

if (a.length != b.length) {

throw new ArithmeticException();

} else {

double[] result = new double[a.length];

for (int i = 0; i < a.length; i++) {// 来自 NowJava.com - 时  代  Java

result[i] = (double) a[i] / b[i];

}

return result;

}

/**

* Divides the values in the two arrays of doubles element-wise.

* @param a Array of double dividends.

* @param b Array of double divisors.

* @return Result of element-wise division of arrays.

* @throws ArithmeticException Throws exception when the arrays differ in

* length.

public static double[] divideElementwise(double[] a, double[] b)

throws ArithmeticException {

if (a.length != b.length) {

throw new ArithmeticException();

} else {

double[] result = new double[a.length];

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

result[i] = a[i] / b[i];

}

return result;

}

/**

* Divides the values in the two arrays of longs element-wise.

* @param a Array of long dividends.

* @param b Array of long divisors.

* @return Result of element-wise division of arrays.

* @throws ArithmeticException Throws exception when the arrays differ in

* length.

public static double[] divideElementwise(long[] a, long[] b)

throws ArithmeticException {

if (a.length != b.length) {

throw new ArithmeticException();

} else {

double[] result = new double[a.length];

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

result[i] = (double) a[i] / b[i];

}

return result;

}

/**

* Divides the values in the two arrays of floats element-wise.

* @param a Array of float dividends.

* @param b Array of float divisors.

* @return Result of element-wise division of arrays.

* @throws ArithmeticException Throws exception when the arrays differ in

* length.

public static float[] divideElementwise(float[] a, float[] b)

throws ArithmeticException {

if (a.length != b.length) {

throw new ArithmeticException();

} else {

float[] result = new float[a.length];

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

result[i] = a[i] / b[i];

}

return result;

}

/**

* Divides the values in the two arrays of bytes element-wise.

* @param a Array of byte dividends.

* @param b Array of byte divisors.

* @return Result of element-wise division of arrays.

* @throws ArithmeticException Throws exception when the arrays differ in

* length.

public static float[] divideElementwise(byte[] a, byte[] b)

throws ArithmeticException {

if (a.length != b.length) {

throw new ArithmeticException();

} else {

float[] result = new float[a.length];

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

result[i] = (float) a[i] / b[i];

}

return result;

}

/**

* Divides the values in the two matrices element-wise.

* @param a Matrix of double dividends.

* @param b Matrix of double divisors.

* @return   Result of element-wise division of the two matrices.

* @throws ArithmeticException   Throws an exception when the two matrices are

* not of the same size.

public static double[][] divideElementwise(double[][] a, double[][] b)

throws ArithmeticException {

if (a.length != b.length || a[0].length != b[0].length) {

throw new ArithmeticException();

} else {

double[][] result = new double[a.length][a[0].length];

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

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

result[i][j] = a[i][j] / b[i][j];

}

return result;

}

/**

* Divides the values in the two matrices element-wise.

* @param a Matrix of integer dividends.

* @param b Matrix of integer divisors.

* @return   Result of element-wise division of the two matrices.

* @throws ArithmeticException   Throws an exception when the two matrices are

* not of the same size.

public static double[][] divideElementwise(int[][] a, int[][] b)

throws ArithmeticException {

if (a.length != b.length || a[0].length != b[0].length) {

throw new ArithmeticException();

} else {

double[][] result = new double[a.length][a[0].length];

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

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

result[i][j] = (double) a[i][j] / b[i][j];

}

return result;

}

/**

* Divides the values in the two matrices element-wise.

* @param a Matrix of float dividends.

* @param b Matrix of float divisors.

* @return   Result of element-wise division of the two matrices.

* @throws ArithmeticException   Throws an exception when the two matrices are

* not of the same size.

public static float[][] divideElementwise(float[][] a, float[][] b)

throws ArithmeticException {

if (a.length != b.length || a[0].length != b[0].length) {

throw new ArithmeticException();

} else {

float[][] result = new float[a.length][a[0].length];

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

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

result[i][j] = a[i][j] / b[i][j];

}

return result;

}

/**

* Divides the values in the two matrices element-wise.

* @param a Matrix of double dividends.

* @param b Matrix of double divisors.

* @return   Result of element-wise division of the two matrices.

* @throws ArithmeticException   Throws an exception when the two matrices are

* not of the same size.

public static double[][] divideElementwise(long[][] a, long[][] b)

throws ArithmeticException {

if (a.length != b.length || a[0].length != b[0].length) {

throw new ArithmeticException();

} else {

double[][] result = new double[a.length][a[0].length];

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

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

result[i][j] = (double) a[i][j] / b[i][j];

}

return result;

}

/**

* Divides the values in the two matrices element-wise.

* @param a Matrix of float dividends.

* @param b Matrix of float divisors.

* @return   Result of element-wise division of the two matrices.

* @throws ArithmeticException   Throws an exception when the two matrices are

* not of the same size.

*/
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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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