# 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))`

, where`x`

and`y`

are taken as`0:m`

and`0: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))`

, with`x`

and`y`

vectors of size`(1,m+1)`

and`(1,n+1)`

.- <opt_args>
This represents a sequence of statements

`key1=value1`

,`key2=value2`

,... where`key1`

,`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.

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