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.TH graduate 2 "November 1993" "Scilab Group" "Scilab Function"
.so ../sci.an
.SH NAME
graduate - pretty axis graduations
.SH CALLING SEQUENCE
.nf
[xi,xa,np]=graduate( xmi, xma,n1,n2)
[xi,xa,np]=graduate( xmi, xma)
.fi
.SH PARAMETERS
.TP 10
xmi,xma
: real scalars
.TP
n1, n2
: integers with default values 3,10
.TP
xi, xa
:real scalars
.TP
np
: integer
.SH DESCRIPTION
graduate looks for the minimum interval \fV[xi,xa]\fR and a number of tics
\fVnp\fR such that:
.LP
\fVxi <= xmi <= xma <= xa\fR
.LP
\fVxa - xi / np = k(10^n)\fR,\fVk\fR in \fV[1 3 5]\fR for an integer \fVn\fR
.LP
\fVn1 < np < n2\fR
.SH EXAMPLE
.nf
y=(0:0.33:145.78)';
xbasc();plot2d1('enn',0,y)
[ymn,ymx,np]=graduate(mini(y),maxi(y))
rect=[1,ymn,prod(size(y)),ymx];
xbasc();plot2d1('enn',0,y,1,'011',' ',rect,[10,3,10,np])
.fi
.SH SEE ALSO
xsetech ,plot2d
.SH AUTHOR
S. Steer 1992
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