syms x1 x2 x3
if a==1
ekv1=input('Skriv in din diff-ekv!, ex:Dx1=2+5*x1\n','s')
beg1=input('Begynnelsevärde? ex: "x1(0)=3" \n','s')
[x1]=dsolve(ekv1,beg1)
t=0:0.1:10;
X1=double(subs(x1,t))
XX=str2double(X1)
% siffror --> str2double om jag vill ha siffror
% text (string) --> num2str, om jag vill ha text
plot(t,X1),grid
legend(XX)
