Write a method that returns the sum of all the elements in a specified column in matrix using the following header:
public static double sumcolumn(double[] []m, int columnindex)
write a test program that read a 3-by-4 matrix and display the sum of each column

Drag the tiles to the correct boxes to complete the pairs. match the errors with their definitions. #name #value #ref when a formula produces output that is too lengthy to fit in the spreadsheet cell arrowright when you enter an invalid cell reference in a formula arrowright when you type text in cells that accept numeric data arrowright when you type in a cell reference that doesn’t exist arrowright reset next

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Ais a built in formula in spread spread a is any math process such as addition or subtraction. options are function and operation