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56 lines
1.9 KiB
Matlab
56 lines
1.9 KiB
Matlab
%ProjectEuler/Octave/Problem6.m
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%Matthew Ellison
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% Created:
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%Modified: 03-28-19
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%Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.
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%{
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Copyright (C) 2019 Matthew Ellison
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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%}
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%Start the timer
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startTime = clock();
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%Setup your variables
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nums = [1:100];
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squares = nums.^2; %Square every number in the list nums
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sumOfSquares = sum(squares); %Get the sum of all the elements in the list squares
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squareOfSums = sum(nums)^2; %Get the sum of all the elements in the list nums and square the answer
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value = abs(squareOfSums - sumOfSquares); %Get the difference of the 2 numbers
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%This could all be done on one line, but this is less confusing
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%Stop the timer
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endTime = clock();
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%Print the results
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printf("The difference between the sum of the squares and the square of the sum of the numbers 1-100 is %d\n", value)
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printf("It took %f seconds to run this algorithm\n", etime(endTime, startTime))
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%Cleanup your variables
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clear nums;
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clear squares;
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clear sumOfSquares;
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clear squareOfSums;
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clear value;
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clear startTime;
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clear endTime;
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%{
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Results:
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The difference between the sum of the squares and the square of the sum of the numbers 1-100 is 25164150
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It took 0.000137 seconds to run this algorithm
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%}
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