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heshuangrong

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[ÇóÖú] MATLABÄâºÏ¶¯Á¦Ñ§ÎÊÌâ ÒÑÓÐ1È˲ÎÓë

³ÌÐòÊÇÊéÉϵ쬵êDebug--Runû·¨ÔËÐУ¬Çó½Ì¸÷λ´óÏÀ


function KineticDataFit     
clear all
clc

% ¶¯Á¦Ñ§Êý¾Ý
t = [0 20  40  60  120  180  300];
CA = [10  8  6  5  3  2  1];

% ÓÃ×îС¶þ³ËÑùÌõÄâºÏ·¨¼ÆËã΢·ÖdCA/dt--ʹÓò»¾­¹ýʵÑéµãµÄBÑùÌõ²åÖµº¯Êý
knots = 3;
K = 3;      % Èý´ÎBÑùÌõ
sp = spap2(knots,K,t,CA)
sp = spap2(newknt(sp),K,t,CA);
pp = fnder(sp)          % ¼ÆËãBÑùÌõº¯ÊýµÄµ¼º¯Êý
dCAdt = fnval(pp,t)     % ¼ÆËãt´¦µÄµ¼º¯ÊýÖµ

% »æÖÆÍ¼ÐÎ
ti = linspace(t(1),t(end),200);
CAi = fnval(sp,ti)
plot(t,CA,'ro',ti,CAi,'b-')
xlabel('t')
ylabel('C_A')
figure
fnplt(pp)
% dCAdti = fnval(pp,ti)
% plot(ti,dCAdti,'-')
xlabel('t')
ylabel('dC/dt')

% ÏßÐÔÄâºÏ
rA = dCAdt;
y = log(-rA);
x = log(CA);
p = polyfit(x,y,1);
k = exp(p(2))
n = p(1)
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heshuangrong

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ÒýÓûØÌû:
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heshuangrong

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2Â¥: Originally posted by lvgao116 at 2015-09-01 15:21:47
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lvgao116

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ÒýÓûØÌû:
3Â¥: Originally posted by heshuangrong at 2015-09-01 15:49:15
ΪʲôÎÒµãDebug-runºó£¬ÔÚÃüÁî´°¿ÚºìÉ«ÏÔʾundefined function or variable 'spap2'£¬µÚÒ»ÐÐÎÒ¶¼°ÑËüɾÁË
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lovelinan
4Â¥2015-09-01 17:01:02
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