Write a method that returns the sum of all the elements in a specified column in a
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Write a method that returns the sum of all the elements in a specified column in a matrix using the following header:public static double?sumColumn(double[][] m,?int?columnIndex)Write a test program that reads a 3-by-4 matrix and displays the sum of each column. Here is a sample run:
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Enter a 3-by-4 matrix row by row: 1.5 2 3 4 5.5 6 7 8 - Enter 9.5 1 3 1 |- Enter Sum of the elements at column 0 is 16.5 Sum of the elements at column 1 is 9.0 Sum of the elements at column 2 is 13.0 Sum of the elements at column 3 is 13.0 JEnter
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Program plan Create sumColumn method so that accepts a matrix of type double and an index of a ...View the full answer
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Related Book For
Introduction to Java Programming, Comprehensive Version
ISBN: 978-0133761313
10th Edition
Authors: Y. Daniel Liang
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