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HW3ABC

Course: CS CS 1371, Fall 2008
School: Georgia Tech
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= clear clc A ones(1,5) B = 1:length(A) C = rand(1,1) * 10 if C < 4 D = 0 elseif C > 7 D = 1 else D = 2 end E 0 if = D == 0 for x = A(B); E = E + x; end elseif D == 1 while E < 10 E = E + 1; end else D == 2 E = 0; end

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ABCs_cell_arrays

Georgia Tech - CS - CS 1371

function [A B C D E] = ABCs_cell_arrays(C, ca1, ca2)% PROBLEM 3. The ABCs of Cell Arrays%% This is a multi-part problem. Do each of the parts below.%% DO NOT CHANGE THE FUNCTION HEADER (the first line of code)% a) Creating. Create a cell ar

ABCs_conditionals

Georgia Tech - CS - CS 1371

function [A B C D] = ABCs_conditionals(x, y, z)% PROBLEM 4. The ABCs of Conditionals%% This is a multi-part problem. Do each of the parts below.%% DO NOT CHANGE THE FUNCTION HEADER (the first line of code)% a) if statements. x is a number.

ABCs_iteration

Georgia Tech - CS - CS 1371

function [A A_method B B_method C] = ABCs_iteration(x)% PROBLEM 5. The ABCs of Iteration%% This is a multi-part problem. Do each of the parts below.%% DO NOT CHANGE THE FUNCTION HEADER (the first line of code)% 1) for loops. Below are two fo

ABCs_strings

Georgia Tech - CS - CS 1371

function [A B C D E F G H I J] = ABCs_strings(ch1, str1, str2, str3, vec1, alph1, x, num1)% PROBLEM 2. The ABCs of Strings%% This is a multi-part problem. Do each of the parts below.%% DO NOT CHANGE THE FUNCTION HEADER (the first line of code)

cellParse

Georgia Tech - CS - CS 1371

%PROBLEM 7%% Write a function named cellParse that takes in a cell array with each% element being either a string (character array), or a vector% (containing numbers), or a boolean value (logical array of length 1).% Your function should

cellUnwrap

Georgia Tech - CS - CS 1371

%PROBLEM 6%function output = cellUnwrap(A)while iscell(A{1}) = true A = A{1};endoutput = Aend

myStrCmpI

Georgia Tech - CS - CS 1371

function result = myStrCmpI(x, y) if (length(x) ~= length(y) result = false; return; enddiff = 'a' - 'A';i=1; while (i <= length(x) & (x(i) = y(i) | . (isletter(x(i) & isletter(y(i) & abs(x(i) - y(i) = diff)

myStrFindI

Georgia Tech - CS - CS 1371

%PROBLEM 4%%% Write a function named myStrFindI that takes in two strings. Your% function should return a vector containing the starting index of all% the occurences of the first string within the second string. Your% function should

mySum

Georgia Tech - CS - CS 1371

function mySum = mySum(A)% computes the sum of the elements in the given vectormySum = 0;index = 1;while index <= length(A) x = A(index); mySum = mySum + x; index = index + 1;endend

removeSpaces

Georgia Tech - CS - CS 1371

%PROBLEM 2%function output = removeSpaces(A)% takes in a string and outputs the same string but with all the space characters removedindex = 1;while index <= length(A); if uint8(A(index) = 32; A(index) = []; end index = index

slowSort

Georgia Tech - CS - CS 1371

%PROBLEM 5%% Write a function named slowSort that takes in a vector, sorts it in % ascending order (smallest to largest), and then outputs it.%% Note: you may *not* use the built-in sort function in MATLAB.% function output = slowSort(A)

ABCs_structure_arrays

Georgia Tech - CS - CS 1371

function [A B C D] = ABCs_structure_arrays(str1, str2, str3, sa1)% PROBLEM 2. The ABCs of Structure Arrays%% This is a multi-part problem. Do each of the parts below.%% DO NOT CHANGE THE FUNCTION HEADER (the first line of code)%% a) Creatin

ABCs_structures

Georgia Tech - CS - CS 1371

function [A B C D E F G H I J] = ABCs_structures(a_name, a_price, b_name, b_price, st1, st2, f1, var1)% PROBLEM 1. The ABCs of Structures%% This is a multi-part problem. Do each of the parts below.%% DO NOT CHANGE THE FUNCTION HEADER (the firs

minStruct

Georgia Tech - CS - CS 1371

%=% Problem 3. Sorting Structures%-%% In homework 4, you implemented an algorithm to sort a vector.% You will now implement the same algorithm to sort a structure array based% on one of its fields. To do this, please complete parts A and B bel

structFromCell

Georgia Tech - CS - CS 1371

% Problem Statment:%% Write a function named structFromCell that takes in a cell array and% returns a structure constructed from the cell array. The elements in% the odd indexes of the cell array should determine the field name and% the

structSearch

Georgia Tech - CS - CS 1371

%=% Problem 2. Searching through a structure array%-%% Problem Statment:%% Write a function named structSearch that takes in a structure array, a% fieldname, and a value. The function should return a new structure% array containing ever

structSort2

Georgia Tech - CS - CS 1371

function S = structSort2(A,str)a = A;b = A;[r c] = size(A);vec = [];if r = 1 a = A; [v loc] = minStruct(a,str); vec = [vec v]; a(loc) = [];else for x = 1:r for y = 1:c [v loc] = minStruct(b,str);

structSort

Georgia Tech - CS - CS 1371

%=% Problem 3, part B. Sorting the structure array%-%% Problem Statment:%% Write a function named structSort that takes in a structure array and a% string. The string specifies the name of a field in the structure% array that will only

ABCs_arrays

Georgia Tech - CS - CS 1371

function [A B C D_rows D_cols E F G H I J] = ABCs_arrays(num1, arr1, arr2, i, j, arr3, arr4, arr5, vec1)% PROBLEM 3. THe ABCs of Arrays% This is a multi-part problem. Do each of the parts below.% % DO NOT CHANGE THE FUNCTION HEADER (the first lin

genStats

Georgia Tech - CS - CS 1371

myCSVread

Georgia Tech - CS - CS 1371

%Write a function called myCSVread which takes in a filename and returns a%cell array containing the doubles and chars from the file. Each value%will be seperated by commas. This function should work as the reverse of%myCSVwrite.%Hint: str2num

myCSVwrite

Georgia Tech - CS - CS 1371

%Write a function called myCSVwrite which takes in a cell array of doubles%and chars and a filename, returns nothing but writes a file with each of the cells'%contents seperated by commas. The cell array may be two dimensional, you%should put eac

snake

Georgia Tech - CS - CS 1371

% Write a function called snake that takes in an array and a number% indicating how many places to "snake" the array as described below.% Snaking the vector involves shifting the numbers down columns, and % appending the overflow onto the top of

wordCount

Georgia Tech - CS - CS 1371

function numwords=wordCount(string)fh=fopen(string,'r');words=';count=1;while ischar(words); words=fgets(fh); [tk rest]= strtok(words); while ~isempty(rest) [tk rest]= strtok(rest); count=count+1; endend numwo

plotPolygon

Georgia Tech - CS - CS 1371

%=% Problem 5. Plotting Simple Shapes%-%% Problem Statement:%% Write a function called plotPolygon that will take in two vectors of the same% length and have no outputs. The first vector will contain the x values for the% polygon and t

plotRainbow

Georgia Tech - CS - CS 1371

%=% Problem 7. Plotting Pretty Colors%-%% Problem Statment:%% Write a function named plotRainbow that takes in the radius, and an% increment value. Starting at the initial radius, plot 6 semicircles to% create a rainbow. The order of

processData

Georgia Tech - CS - CS 1371

%=% Problem 1. Signal Processing%-% After graduating from Georgia Tech with a 4.0 GPA, you easily get a job% with SETI (search for extra terrestrial intelligence)% as an extra-terrestrial signal analyst. One day, while you are% working on the

recurDet

Georgia Tech - CS - CS 1371

%=% Problem 2. Finding the determinant of a matrix using recursion%-% % Problem Statement:%% Write a function called recurDet which takes in a square matrix and % returns the determinant of that matrix using recursion.%% Hint: Use

recurMod

Georgia Tech - CS - CS 1371

%=% Problem 4. Recursive Math%-%% Problem Statement%% Write a function named recMod that takes in 2 numbers and% returns the remainder of the first number divided by the second number.% This function should use recursion to produce th

recurSum

Georgia Tech - CS - CS 1371

%=% Problem 1. Finding the sum of a vector with recursion%-%% Problem Statement:%% Write a function called recurSum which takes in a vector and returns% the sum of that vector using recursion.% % Notes: % -You *must* use rec

slinky

Georgia Tech - CS - CS 1371

%=% Problem 6. Plotting a Slinky%-%% Problem Statment:%% Write a function named slinky which takes in a number r, which is the % number of revolutions, and a number n, which is the number of points.% Your function should then plot a 3D

sumRings

Georgia Tech - CS - CS 1371

%=% Problem 3. Arrays and Recursion%-%% Problem Statment:%% Write a recursive function named sumRings that consumes an M by N array% and returns a vector of the sums of its rings of elements. Consider:% [1 1 1 1 1 1 1% 1 2

tunnel

Georgia Tech - CS - CS 1371

%=% Problem 8. Designing a Tunnel.%-%% Create a recursive function, tunnel.m, that will take in three inputs: a% radius (r), and two scalars, x and y. Plot a circle using the% coordinates (x,y) as the center and the radius (r) as your radius. C

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