Added hw

Author: RootInit

Matlab HW5/HW5.m

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+%problems 6.3,6.7,6.13
+ans2life=42; %I get an error if I start with a function
+
+%Problem 6.3
+function FV = future_value(Vo, I, n)
+  FV = Vo*(1+I).^n;
+endfunction
+value = future_value(1000,0.05,120)
+
+%problem 6.7
+function height = height(time)
+  if(time <= 0)
+    fprintf("Error: time must be greater than zero")
+    return
+  else
+    height = -9.8/2*time.^2+125*time+500;
+  endif
+endfunction
+
+time = [0:0.5:30];
+height = height(time);
+plot(time,height)
+[maximum_height, maximum_time] = max(height);
+maximum_time = maximum_time/2 %because interval of 0.5
+
+%Problem 6.13
+myfunction = @(x) -x.^2-5*x-3+exp(x);
+x = [-5, 5];
+fplot(myfunction, x);
+minvalue = fminbnd(myfunction, -5,5)
+
+  
+
+