BarChart 指令

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BarChart[Start Value, End Value, List of Heights]
Creates a bar chart over the given interval: the number of bars is determined by the length of the list, whose elements are the heights of the bars.
範例: BarChart[10, 20, {1,2,3,4,5} ] gives you a bar chart with five bars of specified height in the interval [10, 20].
BarChart[Start Value a, End Value b, Expression, Variable k, From Number c, To Number d]
Creates a bar chart over the given interval [a, b], that calculates the bars’ heights using the expression whose variable k varies from number c to number d.
範例: If p = 0.1, q = 0.9, and n = 10 are numbers, then BarChart[ -0.5, n + 0.5, BinomialCoefficient[n,k]*p^k*q^(n-k), k, 0, n ] gives you a bar chart in the interval [-0.5, n+0.5]. The heights of the bars depend on the probabilities calculated using the given expression.
BarChart[Start Value a, End Value b, Expression, Variable k, From Number c, To Number d, Step Width s]
Creates a bar chart over the given interval [a, b], the bars’ heights are calculated using the given expression in which the variable k varies from number c to number d using step width s.
BarChart[List of Raw Data, Width of Bars]
Creates a bar chart using the given raw data; the bars have the given width.
範例: BarChart[ {1,1,1,2,2,2,2,2,3,3,3,5,5,5,5}, 1]
BarChart[List of Data, List of Frequencies]
Creates a bar chart using the list of data with corresponding frequencies.
備註: The list of data must contain numbers in arithmetic progression.
範例:
  • BarChart[{10,11,12,13,14}, {5,8,12,0,1}]
  • BarChart[{5, 6, 7, 8, 9}, {1, 0, 12, 43, 3}]
  • BarChart[{0.3, 0.4, 0.5, 0.6}, {12, 33, 13, 4}]
BarChart[List of Data , List of Frequencies, Width of Bars w]
Creates a bar chart using the list of data and corresponding frequencies; the bars have width w.
備註: The list of data must contain numbers in arithmetic progression.
範例:
  • BarChart[{10,11,12,13,14}, {5,8,12,0,1}, 0.5] leaves gaps between bars.
  • BarChart[{10,11,12,13,14}, {5,8,12,0,1}, 0] produces a line graph.
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