matlab 矩阵合并 / cell元素提取 / 修改矩阵内的某个元素

r = 600;
n = 17;% 17paragraph
p = [0 -321.79725039 506.40549922];
allgamma = 2.00943006740867;%115.131862089205
pera = allgamma/(n-1);
f = 0.566081293090563;%32.4340689553974
D = [0 0 0 1];

for i = 1:n

    %
    angle(i) = f + pera*(i-1);
    x(i) = p(1);
    y(i) = - r * sin(angle(i));
    z(i) =   r * cos(angle(i));
    pp(i,:) = [x(i),y(i),z(i)];

    %
    Tbc(i) = {[[roty(pi)*rotz(pi/2)*roty(angle(i)) (pp(i,:))'];D]};
    Tac(i) = { Tab*Tbc{i} };
    
    J(i) = {MODikine(Tac{i})};
    Jangle(i) = {rad2deg(MODikine(Tac{i}))};
    Jangle{i}(:,2) = (Jangle{i}(:,2)-90);
    
end