. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1057 Horizontal rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :compact property set. In par�cular, this is the case when prin�ng arrays with mul�ple columns (where horizontal space is limited): julia> show(IOContext(stdout, :compact=>true), Polar(3, 4.0)) 3.04.0im julia> use either vcat(x,y,z) or separate with semicolons ([x; y; z]). – To concatenate in the second ("horizontal") dimension use either hcat(x,y,z) or separate with spaces ([x y z]). 429 430 CHAPTER 47. NOTEWORTHY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1027 Horizontal rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :compact property set. In par�cular, this is the case when prin�ng arrays with mul�ple columns (where horizontal space is limited): julia> show(IOContext(stdout, :compact=>true), Polar(3, 4.0)) 3.04.0im julia> use either vcat(x,y,z) or separate with semicolons ([x; y; z]). – To concatenate in the second ("horizontal") dimension use either hcat(x,y,z) or separate with spaces ([x y z]). 423 424 CHAPTER 47. NOTEWORTHY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1025 Horizontal rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :compact property set. In par�cular, this is the case when prin�ng arrays with mul�ple columns (where horizontal space is limited): julia> show(IOContext(stdout, :compact=>true), Polar(3, 4.0)) 3.04.0im julia> use either vcat(x,y,z) or separate with semicolons ([x; y; z]). – To concatenate in the second ("horizontal") dimension use either hcat(x,y,z) or separate with spaces ([x y z]). 421 422 CHAPTER 47. NOTEWORTHY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1059 Horizontal rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :compact property set. In par�cular, this is the case when prin�ng arrays with mul�ple columns (where horizontal space is limited): julia> show(IOContext(stdout, :compact=>true), Polar(3, 4.0)) 3.04.0im julia> use either vcat(x,y,z) or separate with semicolons ([x; y; z]). – To concatenate in the second ("horizontal") dimension use either hcat(x,y,z) or separate with spaces ([x y z]). 431 432 CHAPTER 48. NOTEWORTHY

higher precedence than semicolons, performing any horizontal concatenations first and then concatenating the result. Using double semicolons for the horizontal concatenation, on the other hand, performs any 3}: [:, :, 1] = 1 3 5 2 4 6 [:, :, 2] = 7 9 11 8 10 12 Like before, spaces (and tabs) for horizontal concatenation have a higher precedence than any number of semi- colons. Thus, higher-dimensional the double semicolon is simply serving as a "line continuation" character. This allows a single horizontal concatenation to span multiple lines (without the line break being interpreted as a vertical concatenation)

higher precedence than semicolons, performing any horizontal concatenations first and then concatenating the result. Using double semicolons for the horizontal concatenation, on the other hand, performs any 3}: [:, :, 1] = 1 3 5 2 4 6 [:, :, 2] = 7 9 11 8 10 12 Like before, spaces (and tabs) for horizontal concatenation have a higher precedence than any number of semicolons. Thus, higher dimensional the double semicolon is simply serving as a "line continuation" character. This allows a single horizontal concatenation to span multiple lines (without the line break being interpreted as a vertical concatenation)

higher precedence than semicolons, performing any horizontal concatenations first and then concatenating the result. Using double semicolons for the horizontal concatenation, on the other hand, performs any 3}: [:, :, 1] = 1 3 5 2 4 6 [:, :, 2] = 7 9 11 8 10 12 Like before, spaces (and tabs) for horizontal concatenation have a higher precedence than any number of semicolons. Thus, higher dimensional the double semicolon is simply serving as a "line continuation" character. This allows a single horizontal concatenation to span multiple lines (without the line break being interpreted as a vertical concatenation)

higher precedence than semicolons, performing any horizontal concatenations first and then concatenating the result. Using double semicolons for the horizontal concatenation, on the other hand, performs any 3}: [:, :, 1] = 1 3 5 2 4 6 [:, :, 2] = 7 9 11 8 10 12 Like before, spaces (and tabs) for horizontal concatenation have a higher precedence than any number of semicolons. Thus, higher dimensional the double semicolon is simply serving as a "line continuation" character. This allows a single horizontal concatenation to span multiple lines (without the line break being interpreted as a vertical concatenation)

higher precedence than semicolons, performing any horizontal concatenations first and then concatenating the result. Using double semicolons for the horizontal concatenation, on the other hand, performs any 3}: [:, :, 1] = 1 3 5 2 4 6 [:, :, 2] = 7 9 11 8 10 12 Like before, spaces (and tabs) for horizontal concatenation have a higher precedence than any number of semicolons. Thus, higher dimensional the double semicolon is simply serving as a "line continuation" character. This allows a single horizontal concatenation to span multiple lines (without the line break being interpreted as a vertical concatenation)

property set. In particular, this is the case when printing arrays with multiple columns (where horizontal space is limited): julia> show(IOContext(stdout, :compact=>true), Polar(3, 4.0)) 3.04.0im julia> higher precedence than semicolons, performing any horizontal concatenations first and then concatenating the result. Using double semicolons for the horizontal concatenation, on the other hand, performs any 3}: [:, :, 1] = 1 3 5 2 4 6 [:, :, 2] = 7 9 11 8 10 12 Like before, spaces (and tabs) for horizontal concatenation have a higher precedence than any number of semicolons. Thus, higher-dimensional