Graduate

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

3 files changed, 178 insertions, 0 deletions

diff --git a/ee1301/wk3/hw3_directory/strap012_HW3A.cpp b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
new file mode 100644
index 0000000..42aae10
--- /dev/null
+++ b/ee1301/wk3/hw3_directory/strap012_HW3A.cpp
@@ -0,0 +1,62 @@
+/*

+27 Feb 2019

+Matthew Strapp

+5449340

+EE1301

+Spring 2019

+Homework 3A

+One-armed Bandit Simulator

+*/

+

+#include <iostream>

+#include <stdlib.h>

+#include <cmath>

+#include <iomanip>

+

+int spin_the_wheels(int d, int w);

+

+int main () {

+  srand(time(NULL));

+  int w, d, winCount, winTest;

+  for (w=3; w<=6; w++) {

+    winCount=0;

+    for (d=9; d<=27; d++) {

+      winCount=0;

+      for (long n=1000000; n>0; n--) { //The simulation is always done 1,000,000 times

+        winTest = spin_the_wheels(d, w);

+        winCount+=winTest;

+      }

+      if (w==6) {

+        std::cout << std::scientific;

+      }

+      std::cout << "w=" << w << ", d=" << d

+           << ": Simulated probability = m/n = " << (winCount / 1000000.0) * 100.0 << "%. "

+           << "Theoretical probability = " << (d / (pow(d, w))) * 100 << "%." << std::endl;

+      d+=2;

+    }

+  }

+}

+

+// Function: spin_the_wheels

+//  ---------------------------

+// Simulates the one-armed bandit from the previous HW

+// d: the number of options on the spinner

+// w: the number of spinners

+// returns: Either 1 for win or 0 for loss

+

+int spin_the_wheels(int d, int w) {

+  int spinOG=0, spinNew=0, win=0;

+  spinOG = ( (rand() % d) + 1); //Original spin is always the same

+  w-=1; //The first wheel was spun as spinOG

+  for (int i=0; i<w; i++) {

+    spinNew = ( (rand() % d) + 1);

+    if (spinOG==spinNew) {

+      win++;

+    }

+  }

+  if (win==w) { //The only win condition is if every wheel matches

+    return 1;

+  } else {

+    return 0;

+  }

+}
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diff --git a/ee1301/wk3/hw3_directory/strap012_HW3B.cpp b/ee1301/wk3/hw3_directory/strap012_HW3B.cpp
new file mode 100644
index 0000000..16785bd
--- /dev/null
+++ b/ee1301/wk3/hw3_directory/strap012_HW3B.cpp
@@ -0,0 +1,65 @@
+/*

+27 Feb 2019

+Matthew Strapp

+5449340

+EE1301

+Spring 2019

+Homework 3B

+Character Detection

+*/

+

+#include <iostream>

+#include <stdlib.h>

+#include <cmath>

+#include <iomanip>

+

+int charTest (char character);

+

+int main () {

+using namespace std;

+    int test;

+    char character;

+    bool isAlphaNumeric=true;

+    while (isAlphaNumeric) {

+      cout << "Enter a single digit or an alphabetic character: ";

+      cin >> character;

+      cout << "You entered " << character << ", ";

+      test = charTest(character);

+      if (test==0) {

+        isAlphaNumeric=false;

+        cout << "which is not a letter or a number.";

+      }

+      if (test==1) {

+        cout << "which is a number.";

+      }

+      if (test==2) {

+        cout << "which is a lower case letter.";

+      }

+      if (test==3) {

+        cout << "which is an upper case letter.";

+      }

+      cout << endl;

+    }

+}

+

+// Function: charTest

+//  ---------------------------

+// Tests to see what kind of character was inputted

+// input: character from prompt in main

+// returns: 1 if number, 2 if lower case, 3 if upper case, 0 if not any of the previous

+

+int charTest (char character) {

+  if (character >= '0' && character <= '9') {

+      return 1;

+    } else {

+        if (character>='a' && character<='z') {

+            return 2;

+        } else {

+            if (character>= 'A' && character<='Z') {

+                return 3;

+            } else {

+                  return 0;

+            }

+        }

+    }

+}
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diff --git a/ee1301/wk3/hw3_directory/strap012_HW3C.cpp b/ee1301/wk3/hw3_directory/strap012_HW3C.cpp
new file mode 100644
index 0000000..6886106
--- /dev/null
+++ b/ee1301/wk3/hw3_directory/strap012_HW3C.cpp
@@ -0,0 +1,51 @@
+/*

+27 Feb 2019

+Matthew Strapp

+5449340

+EE1301

+Spring 2019

+Homework 3C

+Character Detection

+*/

+

+#include <iostream>

+#include <stdlib.h>

+#include <cmath>

+#include <iomanip>

+using namespace std;

+

+void swapCase(char s);

+

+int main() {

+    char character;

+    do { //This loops until '@' is entered

+        cout << "Please enter a character that is an ASCII letter in the range [A-Za-z]: ";

+        cin >> character;

+        if (character!='@') {

+          swapCase(character);

+        }

+    } while (character!='@');

+}

+

+// Function: swapCase

+//  ---------------------------

+// Swaps the case of a latin ASCII character and prints an error if not one

+// s: the character inputted

+// Outputs: Nothing, the function just outputs the response

+

+void swapCase(char s) {

+    char New;

+    cout << "You entered " << s;

+    if ( (s >= 'a' && s <= 'z') || (s >= 'A' && s <= 'Z') ) {

+        cout << ", I respond with ";

+        if (s >= 'A' && s <= 'Z') {

+          New = s + 32; //32 is the difference between capital and lowercase ASCII characters

+        } else {

+            New= s - 32;

+        }

+        cout << New;

+    } else {

+            cout << ", which is not a valid character.";

+        }

+    cout << endl;

+}
\ No newline at end of file