How to display multiple histogram with one run

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Mustafa Vural
Mustafa Vural 2020-9-17
评论： Mustafa Vural 2020-9-19
I am generating random numbers (data) with the 3 parameter weibull distribution.
In my code, I have 25 combinations of my parameters (b=1:5; T=1:5) and I want to display every single combination as a histogram.
So at the end, I have 25 histogram of data.
The problem is, only the last combination of my parameter ( b=5, T=5) is displayed.
How can I see ALL 25 histograms with one run?
Edit: I deleted the 2 parameter weibull in my code for better overview about my question.
clear all;
n = 100;
t0 = 0.5;
b = 1:5;
T = 1:5;
for v_T = 1:length(T)
for v_b = 1:length(b)
data(:,v_b,v_T) = wblrnd(v_T,v_b, [n,1]) + t0;
end
end
histogram (data)
ax = gca;
get(ax, 'position')
ax.XLim=[0,10];

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采纳的回答

Vinicius Pereira Mateus Borges
Hello Mustafa, you can use subplots inside for loops.
clear all;
n = 100;
t0 = 0.5;
b = 1:5;
T = 1:5;
clf
figure(1)
loopVar = 0;
for v_T = 1:length(T)
for v_b = 1:length(b)
data(:,v_b,v_T) = wblrnd(v_T,v_b, [n,1]) + t0;
subplot(length(T),length(b), v_b + loopVar)
histogram (data)
ax = gca;
get(ax, 'position')
ax.XLim=[0,10];
end
loopVar = loopVar + length(T)
end
  5 个评论
显示 3更早的评论
Vinicius Pereira Mateus Borges
Vinicius Pereira Mateus Borges 2020-9-19
Hello Mustafa,
I recommend that you take a look at Mike Cohen's courses: https://www.udemy.com/course/master-matlab-through-guided-problem-solving/
I went through them last year and taught myself MATLAB in that way. I feel that you are trying to solve problems before understanding the basics of what you are doing, which could be fixed in a few hours of practice/watching courses/reading a MATLAB book.
In this case, when you plot data3p, you are overwriting all the information of data2p. You need to plot the information in a different subplot.
clear all;
n = 100;
t0 = 0.5;
b = 1:5;
T = 1:5;
for v_T = 1:length(T)
for v_b = 1:length(b)
figure(v_T) % this will count 1:5 and open a new figure each step
data2p(:,v_b,v_T) = wblrnd(v_T,v_b, [n,1]);
data3p(:,v_b,v_T) = wblrnd(v_T,v_b, [n,1]) + t0;
subplot(2,5,v_b) % subplot is bigger, 2 rows and 5 colums
histogram (data2p)
subplot(2,5,v_b +5) % you need this new subplot here
histogram (data3p)
ax = gca;
get(ax, 'position')
ax.XLim=[0,10];
end
end

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更多回答（1 个）

Walter Roberson
Walter Roberson 2020-9-17
You did not put in
hold on
  2 个评论
Mustafa Vural
Mustafa Vural 2020-9-17
I dont want to bring them all in one graph, I would like to have 25 single graphs. So i can copy them out and compare them.
Walter Roberson
Walter Roberson 2020-9-17
Well you can use subplot() or you can use the newer tiled layout operations, if you want all the histograms to appear in the same figure but diffrent axes.
Or you can add a call to figure() to create a new figure each time.

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