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1. (10 pts) Write a function called hws_problem1 that accepts three input arguments: 1) a 3-column string matrix (say names), 2) a 4-column numeric matrix (say, numbers), and 3) a scalar threshold value (say, threshold). Note that the names matrix is the new string type that uses double quotes. The first two input arguments contain information about U.S. astronauts, where each corresponding row of the two matrices represents a single astronaut. The columns of the two matrices contain the following information for an astronaut: -First name: first column of names. - Middle name: second column of names. -Last name: third column of names. - Month of birth: first column of numbers. - Day of birth: second column of numbers. - Year of birth: third column of numbers. - Hours in space: fourth column of numbers. The function should return a struct array containing the information about astronauts whose hours in space exceed the given threshold (the third input argument). For example, given the following matrices for names and numbers, respectively: names Malcolm ScottCarpenter Leroy Gordon Cooper Jr.; JohnHerschel Glenn Jr.; VirgilIvan WalterMartySchirra 3r. Grissom numbers [5 1 1925 4; 3 6 1927 225; 7 18 1921 217; 4 3 1926 5; 3 12 1923 295 ]

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Answer #1
hw5_problem1.m 
function [output] = hw5_problem1(names, numbers, threshold)
% getting the column numbers of the elements greater then threshod
% in numbers
[col] = find(numbers(:,4) > threshold);
output = [];
% looping for each column
for indx = 1:numel(col)
    % assembling a new struct for each index position
    new_struct.first = names(col(indx, 1), 1);
    new_struct.middle = names(col(indx, 1), 2);
    new_struct.last = names(col(indx, 1), 3);

    new_struct.birth_month = numbers(col(indx, 1), 1);
    new_struct.birth_day = numbers(col(indx, 1), 2);
    new_struct.birth_year = numbers(col(indx, 1),3);
    new_struct.hours_in_space = numbers(col(indx, 1),4);
    % appending the struct as a vector to output
    output = [output, new_struct];

end
end
hw5_problem1_driver.m ( Run this file, not the above one) 
clc
clear all

names = ["Malcolm" "Scott" "Carpenter";
        "Leroy" "Gordon" "Cooper Jr.";
        "John" "Herschel" "Gleen Jr.";
        "Virgil" "Ivan" "Grissom";
        "Walter" "Marty" "Schirra Jr."];
numbers = [5 1 1925 4;
           3 6 1927 225;
           7 18 1921 217;
           4 3 1926 5;
           3 12 1923 295];
output = hw5_problem1(names, numbers, 200)
output(1)
output(2)
output(3)

OUTPUT

Command Window output- 1x3 struct array with fields: first middle last birth month birth_day birth_year hours in space ans = struct with fields: first: Leroy middle: Gordon last: Cooper Jr. birth_month: 3 birth day: 6 birth year: 1927 hours in space 225

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