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- /* Test of PLOT and EVALSTRING */
- address "MPlot_ARexx"
- options results
-
- setintervall "xaxis 0 yaxis 0 xmin -pi xmax pi ymin -1 ymax 1"
- plot 1 normal
-
- plot 6 normal
-
- say "There should be an error"
- clear
-
- plot 6 normal force
- say "There is an error, but no requester"
-
- clear
-
- plot 0 normal derive1 derive2
-
-
- evalstring "sin(5)"
- say result rc rc2
-
- evalstring "sin(x) x=4.5"
- say result rc rc2
-
-
- evalstring 'sqr(x) x=-1'
- say result rc rc2
-
-
- evalstring 'ln(-1)'
- say result rc rc2
-
-
- evalstring 'ln(a)'
- say result rc rc2
-
- x = 1.4
- setnumprecision 15
-
- /* This gives the solution of sin(x) = .3*cos(x) */
- do i=1 to 9
- evalstring "asin(.3*cos(x)) x=" x
- say "x" x "->" "f(x)=" result
- x = result
- end
-