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you can take any value of density just i wanna know to how to creat histogram of density
Each plot has different customization options.
Try creating a histogram of density with the histogram function.
Set the "FaceColor" to yellow ("y").

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DGM
DGM 2021-7-8
编辑：DGM 2021-7-8
Ran in:

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Ran in:
density = randn(100);
h = histogram(density);
h.FaceColor = 'y';
% if you want to set other properties, take a look
get(h)
Annotation: [1×1 matlab.graphics.eventdata.Annotation] BeingDeleted: off BinCounts: [2 3 3 11 11 20 39 45 101 130 186 231 331 425 529 587 710 758 830 810 798 691 617 536 433 341 239 207 141 80 60 44 19 12 10 3 3 3 0 1] BinCountsMode: 'auto' BinEdges: [1×41 double] BinLimits: [-3.8000 4.2000] BinLimitsMode: 'auto' BinMethod: 'auto' BinWidth: 0.2000 BusyAction: 'queue' ButtonDownFcn: '' Children: [0×0 GraphicsPlaceholder] ContextMenu: [0×0 GraphicsPlaceholder] CreateFcn: '' Data: [100×100 double] DataTipTemplate: [1×1 matlab.graphics.datatip.DataTipTemplate] DeleteFcn: '' DisplayName: '' DisplayStyle: 'bar' EdgeAlpha: 1 EdgeColor: [0 0 0] FaceAlpha: 0.6000 FaceColor: [1 1 0] HandleVisibility: 'on' HitTest: on Interruptible: on LineStyle: '-' LineWidth: 0.5000 Normalization: 'count' NumBins: 40 Orientation: 'vertical' Parent: [1×1 Axes] PickableParts: 'visible' Selected: off SelectionHighlight: on SeriesIndex: 1 Tag: '' Type: 'histogram' UserData: [] Values: [2 3 3 11 11 20 39 45 101 130 186 231 331 425 529 587 710 758 830 810 798 691 617 536 433 341 239 207 141 80 60 44 19 12 10 3 3 3 0 1] Visible: on
% if you're not sure what values are appropriate for certain properties
set(h)
BinCounts: {} BinCountsMode: {'auto' 'manual'} BinEdges: {} BinLimits: {} BinLimitsMode: {'auto' 'manual'} BinMethod: {'auto' 'scott' 'fd' 'integers' 'sturges' 'sqrt'} BinWidth: {} BusyAction: {'queue' 'cancel'} ButtonDownFcn: {} Children: {} ContextMenu: {} CreateFcn: {} Data: {} DeleteFcn: {} DisplayName: {} DisplayStyle: {'bar' 'stairs'} EdgeAlpha: {} EdgeColor: {'auto' 'none'} FaceAlpha: {} FaceColor: {'auto' 'none'} HandleVisibility: {'on' 'callback' 'off'} HitTest: {[on] [off]} Interruptible: {[on] [off]} LineStyle: {'-' '--' ':' '-.' 'none'} LineWidth: {} Normalization: {'count' 'countdensity' 'cumcount' 'probability' 'pdf' 'cdf'} NumBins: {} Orientation: {'vertical' 'horizontal'} Parent: {} PickableParts: {'visible' 'none' 'all'} Selected: {[on] [off]} SelectionHighlight: {[on] [off]} SeriesIndex: {} Tag: {} UserData: {} Visible: {[on] [off]}
% properties can be read/set using get/set
get(h,'FaceColor')
ans = 1×3
1 1 0
set(h,'FaceColor','b')
% or by using dot notation as in the initial example

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