function PlotAll(d, j, save) % PlotAll(d, j, save) plots B-spline scaling functions and wavelets of % degree d, level j. If save is present, plot is saved as EPS file. n = 20; % samples per interval hspacing = 2.5; % horizontal spacing between functions hsize = 2; % horizontal size of each function vspacing = 0.4; % vertical spacing between functions pscale = [0.4 0.7 0.7 0.7]*vspacing; qscale = [0.4 0.5 0.9 1.1]*vspacing; P = FindP(d, j+1); P = P/max(max(abs(P)))*pscale(d+1); Q = FindQ(d, j+1, 'L2'); Q = Q/max(max(abs(Q)))*qscale(d+1); figure(1); clg; hold on; [m1, m2] = size(P); x = hsize*XVec(d, j+1, n); for k = 1:m2 f(k,:) = EvalCombo(d, j+1, P(:,k), n) + vspacing*(m2 - k); end; plot([0, hsize], vspacing*[0:m2-1; 0:m2-1], 'w'); plot(x, f, 'w', 'LineWidth', 2); num = m2; [m1, m2] = size(Q); x = x + hspacing; clear f; for k = 1:m2 f(k,:) = EvalCombo(d, j+1, Q(:,k), n)+ vspacing*((num + m2)/2 - k); end; plot(hspacing + [0, hsize], vspacing*([0:m2-1; 0:m2-1] + (num - m2)/2), 'w'); plot(x, f, 'w', 'LineWidth', 2); hold off; axis equal; axis off; if nargin > 2 filename = sprintf('spline-deg%i-lev%i.ps', d, j); disp(['Saving EPS to "' filename '"...']); print('-deps', filename); end; return;