Sollya User's Manual

Name:

points controls the number of points chosen by Sollya in certain commands.

Library names:

void sollya_lib_set_points_and_print(sollya_obj_t) void sollya_lib_set_points(sollya_obj_t) sollya_obj_t sollya_lib_get_points()

Usage:

points = n : integer -> void points = n ! : integer -> void points : constant

Parameters:

n represents the number of points

Description:

points is a global variable. Its value represents the number of points used in numerical algorithms of Sollya (namely dirtyinfnorm, dirtyintegral, dirtyfindzeros, plot).

Example 1:

   > f=x^2*sin(1/x);
   > points=10;
   The number of points has been set to 10.
   > dirtyfindzeros(f, [0;1]);
   [|0, 0.31830988618379067153776752674502872406891929148092|]
   > points=100;
   The number of points has been set to 100.
   > dirtyfindzeros(f, [0;1]);
   [|0, 2.4485375860291590118289809749617594159147637806224e-2, 3.9788735772973833942220940843128590508614911435115e-2, 4.5472840883398667362538218106432674866988470211559e-2, 5.3051647697298445256294587790838120678153215246819e-2, 6.3661977236758134307553505349005744813783858296184e-2, 7.957747154594766788444188168625718101722982287023e-2, 0.106103295394596890512589175581676241356306430493638, 0.15915494309189533576888376337251436203445964574046, 0.31830988618379067153776752674502872406891929148092|]

See also: dirtyinfnorm, dirtyintegral, dirtyfindzeros, plot, diam, prec

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