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Need help figuring out what I am doing wrong with my graph

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Matthew
Matthew 2012-11-21
my code::
function SumDice=RollDice(NumDice,NumRolls)
NumDice=1
NumRolls=500
distribution=zeros(NumDice*6,1);
for roll=1:NumRolls
diceValues = randi(6,[NumDice 1]);
totaldiceValue = sum(diceValues);
distribution(totaldiceValue) = distribution(totaldiceValue) +1;
end
valueMin = NumDice;
valueMax = 6 * NumDice;
bar(valueMin:valueMax, distribution(valueMin:valueMax), 'hist')
end
my graph is supposed to look like: http://i1308.photobucket.com/albums/s617/pingchu93/graph_zps0c8e0851.jpg
but i'm getting
http://i1308.photobucket.com/albums/s617/pingchu93/graph_zpsd389fa40.jpg
The 1st graph has spaces and a difference x-axis scale which mine does not.
instead. any ideas? thanks!

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采纳的回答

Thomas
Thomas 2012-11-21
use
bar(valueMin:valueMax, distribution(valueMin:valueMax))
with out the 'hist' option

更多回答（1 个）

Matt Fig
Matt Fig 2012-11-21
What is the difference between the two graphs? The spaces between the bars? The title? The boldness of the lines? Be more specific.
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Matt Fig
Matt Fig 2012-11-21
They both have x-scale from 1 to 6. What is different about that?
Matt Fig
Matt Fig 2012-11-21
You can set the width of the bars:
bar(valueMin:valueMax, distribution(valueMin:valueMax), .75,'hist')

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