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hist3d
3D representation of a histogram
Syntax
hist3d(mtx,[theta,alpha,leg,flag,ebox]) hist3d(mtx,<opt_args>) hist3d(list(mtx,x,y),[theta,alpha,leg,flag,ebox]) hist3d(list(mtx,x,y),<opt_args>)
Arguments
- mtx
matrix of size (m,n) defining the histogram
mtx(i,j)=F(x(i),y(j))
, wherex
andy
are taken as0:m
and0:n
.- list(mtx,x,y)
where mtx is a matrix of size (m,n)defining the histogram
mtx(i,j)=F(x(i),y(j))
, withx
andy
vectors of size (1,m+1) and (1,n+1).- <opt_args>
This represents a sequence of statements
key1=value1, key2=value2
,... wherekey1
,key2,...
can be one of the following: theta, alpha,leg,flag,ebox. See plot3d.- theta,alpha,leg,flag,ebox
see plot3d.
Description
hist3d
represents a 2d histogram as a 3D plot.
The values are associated to the intervals [x(i) x(i+1)[ X [y(i)
y(i+1)[
.
Enter the command hist3d()
to see a demo.
Examples
hist3d();
![](/docs/6.0.1/en_US/hist3d_en_US_1.png)
hist3d(10*rand(10,10));
![](/docs/6.0.1/en_US/hist3d_2.png)
![](/docs/6.0.1/en_US/hist3d_3.png)
Z = zeros(100,5); A = abs(rand(40,5)); Z(1:40,:) = A; Index = find(Z==0); Z(Index) = %nan; scf(); hist3d(Z);
![](/docs/6.0.1/en_US/hist3d_4.png)
Z = zeros(100,5); A = abs(rand(40,5)); Z(1:40,:) = A; A = abs(rand(10,5)); Z(91:100,:) = A; scf(); hist3d(Z);
![](/docs/6.0.1/en_US/hist3d_5.png)
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