R=input('Please input R='); 4xjP iHd<
p=0.1; v_+{'F
n=chaxun(R); .,<1%-R34q
L=15; c|e~BQdRw
c=3*10^8; ,8U&?8l
h=6.626196*10^(-34); vdivq^%=a
k=1.3806505*10^(-23); bnf'4PAt
B=198.95; i[7\[
r=0.509*10^(-60); gc_:%ki
d=532*10^(-9); _n0CfH.v
for s=0:20 >E;uU[v)I
for T=0.1:50:300.1 B+P(M!m3
if mod(s,2)==0 >%}C^gu)
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); QwW&\h[8?
y=diff('f','T'); AYqX|
elseif mod(s,2)==1 @vC4[:"pD}
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); FH?U(-
y=diff('f','T'); +"\sc;6m.
end nv*FT
end x
nsLf?>]
end dk[!V1x4\
plot3(y,s,T); _mqL8ho
怎么错了,希望哪位大侠指点。 oK6tTK