図形のコピー: 正規分布表の計算 ヘルプ

ドット数(幅高)形式(gifjpg)
set_scale($scale = 10, $org_x_percent = 50, $org_y_percent = 50); function get_normal_distribution($x, $dx = 0.005) { $step = round($x / $dx); $dx = $x / $step; $v = 0; for($i = 0; $i < $step; ++$i){ $sx = $i * $dx; $ex = ($i + 1) * $dx; $v += ((exp(-1 * $sx * $sx * 0.5) / sqrt(2 * M_PI) + exp(-1 * $ex * $ex * 0.5) / sqrt(2 * M_PI)) * $dx * 0.5); } return $v; } function get_normal_distribution_stop(&$x, $stop = 0.499999, $dx = 0.005) { $step = round(10 / $dx); $v = 0; for($i = 0; $i < $step; ++$i){ $sx = $i * $dx; $ex = ($i + 1) * $dx; $v += ((exp(-1 * $sx * $sx * 0.5) / sqrt(2 * M_PI) + exp(-1 * $ex * $ex * 0.5) / sqrt(2 * M_PI)) * $dx * 0.5); if($v >= $stop){ $x = $ex; break; } } return $v; } $nd1 = "1.0 ".get_normal_distribution(1.0); $nd2 = "2.0 ".get_normal_distribution(2.0); $nd3 = "3.0 ".get_normal_distribution(3.0); $nd4 = "4.0 ".get_normal_distribution(4.0); $nd5 = "5.0 ".get_normal_distribution(5.0); $nd6 = "6.0 ".get_normal_distribution(6.0); draw_text($nd1, $x = -10, $y = 0, $o_pos = O_POS_UP_LEFT, $italic = false); draw_text($nd2, $x = -10, $y = -1.2, $o_pos = O_POS_UP_LEFT, $italic = false); draw_text($nd3, $x = -10, $y = -2.4, $o_pos = O_POS_UP_LEFT, $italic = false); draw_text($nd4, $x = -10, $y = -3.6, $o_pos = O_POS_UP_LEFT, $italic = false); draw_text($nd5, $x = -10, $y = -4.8, $o_pos = O_POS_UP_LEFT, $italic = false); draw_text($nd6, $x = -10, $y = -6.0, $o_pos = O_POS_UP_LEFT, $italic = false); $v = get_normal_distribution_stop($x, 0.499999); $ndx = $x." ".$v; draw_text($ndx, $x = -10, $y = -7.4, $o_pos = O_POS_UP_LEFT, $italic = false); $v = get_normal_distribution_stop($x, 0.4999993); $ndx = $x." ".$v; draw_text($ndx, $x = -10, $y = -8.6, $o_pos = O_POS_UP_LEFT, $italic = false); draw_formula($formula_text = "int{0}{x}{1 / sqrt{2 pi} {e ^ {- {t^2} / 2}} dt}", $size = 12, 0, 0, O_POS_LOW_CENTER);
テンプレートを選択するとプログラムに追加されます。 set_scale(...); allocate_color('black'); allocate_color('gray'); allocate_color('red'); allocate_color('blue'); allocate_color('green'); allocate_color('purple'); allocate_bgcolor('white'); transparent_bgcolor(); set_thick($thick = 1); set_dashlen($dashlen = 7); set_arrow_size(...); draw_line(...); draw_horizontal($y); draw_vertical($x); draw_dash_line(...); draw_rect(...); draw_arrow_head(...); draw_xaxis(...); draw_yaxis(...); draw_xyaxis(); draw_circle(...); draw_arc_deg(...); draw_arc(...); draw_dash_arc(...); M_PI = 3.1415926535898 M_PI_2 = pi/2 M_PI_4 = pi/4 fill_rect(...); fill_circle(...); fill_arc_deg(...); fill_triangle(...); fill_quadrangle(...); fill_polygon(); fill_toborder($x, $y, $border_color_x, $border_color_y); allocate_text_color('black'); allocate_text_color('gray'); allocate_text_color('red'); allocate_text_color('blue'); allocate_text_color('green'); allocate_text_color('purple'); allocate_text_bgcolor('white'); transparent_text_bgcolor(); set_text_size($text_size); set_text_margin($text_margin); set_mark_size($mark_size); draw_text(...); O_POS_LOW_LEFT O_POS_LOW_RIGHT O_POS_UP_RIGHT O_POS_UP_LEFT O_POS_LOW_CENTER O_POS_MIDDLE_RIGHT O_POS_UP_CENTER O_POS_MIDDLE_LEFT O_POS_MIDDLE_CENTER get_o_pos_by_ang($ang); draw_formula(...); ARC_TYPE_NONE ARC_TYPE_SOLID ARC_TYPE_DASH BEG_TYPE_ARROW END_TYPE_ARROW draw_arc_mark(...); draw_corner_mark(...); draw_marked_triangle(...); CMARK_NONE 0 CMARK_1_ARC 1 CMARK_2_ARC 2 CMARK_D_ARC 3 CMARK_1_PIE 4 CMARK_2_PIE 5 CMARK_D_PIE 6 CMARK_SQUARE CMARK_CROSS CMARK_CIRCLE CMARK_DOT draw_mark(...); draw_mark_on_line(...); draw_mark_on_circle(...); MARK_1_LINE MARK_2_LINE MARK_3_LINE MARK_SQUARE MARK_CROSS MARK_CIRCLE MARK_DOT set_x_def_range(...); df1_ax_b($a, $b); df1_x_y($x, $y); df1_2p($x1, $y1, $x2, $y2); df2_ax2_bx_c(...); df2_ax_p2_q(...); df2_a_x_al_x_be(...); df_y_fx($y_fx); df_xt_yt(...); unit_vector(...); calc_angle(...); normalize_ang($ang); calc_da(...); calc_intersec_pt_of_lines(...); calc_intersec_pt_of_lns(...); rot90_vec(...); rot_vec(...); calc_perpendicular_bisector(...); calc_distance(...); calc_circumscribed_circle(...); calc_didtance_to_line(...); calc_foot_of_perpendicular_line(...); calc_parallel_line(...); calc_foot_of_perpendicular_circle(...); calc_intersec_pts_of_line_circle(...); calc_intersec_pts_of_circles(...); calc_inscribed_circle(...); calc_2p_arc(...); calc_3dview(...); clear_canvas(); set_alphablending($alpha = 50); set_antialias($antialias = true); transparent_gif_bgcolor(); xf($x) x_rev($x) yf($y) y_rev($y)
作図プログラムをコンパイルして図形を仮表示する

仮表示

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日付順 名前順

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1. 図形の新規作成
2. ログイン