Lines Matching refs:xval
98 proc ::math::interpolate::interp-1d-table { table xval } { argument
105 foreach {row row2} [FindEnclosingEntries $xval $xvalues] break
116 return [concat $xval [lrange $prev_values 1 end]]
144 proc ::math::interpolate::interp-table { table xval yval } {
151 foreach {row row2} [FindEnclosingEntries $xval $xvalues] break
252 proc ::math::interpolate::interp-linear { xyvalues xval } { argument
256 if { [lindex $xyvalues 0] > $xval } {
259 if { [lindex $xyvalues end-1] < $xval } {
269 if { $xval < $x } {
302 proc ::math::interpolate::interp-lagrange { xyvalues xval } { argument
307 if { $x == $xval } {