Possible Results for the exercises in the julia course: FirstSteps.jl

01_first_hello/Results.jl

+"""
+Results of the exercises in the julia course: FirstSteps.jl
+"""
+
+# Please set your working directory
+swd("/home/ev20kube/Dokuments/Julia/orWehreverYourProjectIs")
+
+# What is the purpose of an apostrophe?   (‘)
+# press ? in the REPL and find out that it is a conjugate transposition operator :)
+
+# Update your packages
+# press ] in the REPL and then tip 'update'
+# or tip Pkg.update() in the REPL
+
+# install packages
+# 1. use the package manager in the REPL: ]add "Plots"
+# install pkg in the REPL: using Pkg; Pkg.add("Distributions")
+
+# Build an array with 20 normal distributed numbers
+x = randn(1000)
+# How would you make a histogram with 1000 random numbers?
+import Pkg
+using Plots
+histogram(randn(1000))
+
+#If a is set as a=true and afterwards b is set to b=!!!!a then what is the value of b? (true, false, or error?)
+a = true
+b = !!!!a
+
+#Build an array with 10 random numbers between 1 and 10
+a = rand(1:10,10)
+println(a)
+# print values smaller than 5, with the text:
+# “The value … is smaller than 5”
+for i in 1:length(a)
+  if a[i] < 5
+    println("The value $(a[i]) is smaller than 5")
+  end
+end
+
+# Build an function that only print x, y, z if the values of all variables are not 0.
+# In the case they are all 0, the function should print “Origin”.
+
+function coordinates(x, y, z)
+  if x==0 && y==0 && z==0
+    println("origin")
+  else
+    println("($x, $y, $z)")
+  end
+end
+coordinates(0,0,2)