Error detected but matlab did not specify the type of error. pls help out

Question

oluwatayo ogunmiloro 2020-5-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/533338-error-detected-but-matlab-did-not-specify-the-type-of-error-pls-help-out

回答： Walter Roberson 2020-5-25

function y = conjunctivitis

test = -1;

tf=10;

delta = 0.001;

M = 50;

t = linspace(0,tf,M+1);

h = tf/M;

h2 = h/2;

Mh=0.639;

beta1=0.11;

beta2=0.112;

Nh=5000;

muh=0.469;

sigmah=0.123;

u1=.72;

delta1=0.213;

Mb=0.91;

Nb=7000;

beta3=.561;

beta4=.210;

mub=0.11;

H1=0.1;

H2=0.2;

H3=0.3;

M1=0.4;

M2=0.5;

M3=0.6;

M4=0.7;

x1=zeros(1,M+1);

x2=zeros(1,M+1);

x3=zeros(1,M+1);

x4=zeros(1,M+1);

x5=zeros(1,M+1);

x6=zeros(1,M+1);

c1 = zeros(1,M+1); c2 = zeros(1,M+1); c3 = zeros(1,M+1); c4 = zeros(1,M+1);

lambda1 = zeros(1,M+1);

lambda2 = zeros(1,M+1);

lambda3 = zeros(1,M+1);

lambda4 = zeros(1,M+1);

lambda5 = zeros(1,M+1);

lambda6 = zeros(1,M+1);

x1(1) = 20;

x2(1) = 20;

x3(1) = 20;

x4(1) = 20;

x5(1) = 5;

x6(1) = 10;

while(test < 0)

oldc1 = c1;

oldc2 = c2;

oldc3 = c3;

oldc4 = c4;

oldx1 = x1;

oldx2 = x2;

oldx3 = x3;

oldx4 = x4;

oldx5 = x5;

oldx6 = x6;

oldlambda1 = lambda1;

oldlambda2 = lambda2;

oldlambda3 = lambda3;

oldlambda4 = lambda4;

oldlambda5 = lambda5;

oldlambda6 = lambda6;

for i = 1:M

%for i = 1:M

m11 = Mh-((1-c1(i)).*beta1+(1-c2(i)).*beta2).*(x1(i).*x6(i))/(Nh)-muh.*x1(i)+sigmah.*c3(i).*x4(i);

m12 = ((1-c1(i)).*beta1.*x1(i).*x6(i))/(Nh)-muh.*x2(i)-(u1.*x2(i))/(1+x2(i));

m13 = ((1-c2(i)).*beta2.*x1(i).*x6(i))/(Nh)-(muh+delta1).*x3(i)-(u1.*x3(i))/(1+x3(i));

m14 = (u1.*x2(i))/(1+x2(i))+(u1.*x3(i))/(1+x3(i))-(muh+c3(i).*sigmah).*x4(i);

m15 = Mb.*Nb(1-c4(i))-(((1-c1(i)).*beta1.*x2(i)+(1-c2(i)).*beta2.*x3(i)).*x6(i))/Nb-c4(i).*mub.*x5(i);

m16 =(((1-c1(i)).*beta1.*x2(i)+(1-c2(i)).*beta2.*x3(i)).*x6(i))/Nb-c4(i).*mub.*x6(i);

m21 = Mh-((1-(0.5.*(c1(i)+c1(i+1))).*beta1+(1-(0.5.*(c2(i)+c2(i+1))).*beta2))).*(x1(i)+h2.*m11).*(x6(i)+h2.*m16)/(Nh)-muh.*x1(i)+sigmah.*c3(i).*x4(i);

m22 = ((1-(0.5.*(c1(i)+c2(i+1)).*beta1.*(x1(i)+h2.*m11).*(x6(i)+h2.*m16))))/((Nh)-muh.*(x2(i)+h2.*m12))-(u1.*(x2(i)+h2.*m12))/(1+(x2(i)+h2.*m12));

m23 = ((1-(0.5.*(c2(i)+c2(i+1)).*beta1.*(x1(i)+h2.*m11).*(x6(i)+h2.*m16))))/(Nh)-(muh+delta1).*(x3(i)+h2.*m13)-(u1.*(x3(i)+h2.*m13))/(1+(x3(i)+h2.*m13));

m24 = (u1.*(x2(i)+h2.*m12))/(1+(x2(i)+h2.*m12))+(u1.*(x3(i)+h2.*m13))/(1+(x3(i)+h2.*m13))-(muh+c3(i).*sigmah).*(x4(i)+h2.*m14);

m25 = Mb.*Nb(1-(0.5.*(c4(i)+c4(i+1))))-((1-(0.5.*(c1(i)+c1(i+1)))).*beta1.*(x2(i)+h2.*m12)+(1-c2(i)+c2(i+1)).*beta2.*(x3(i)+h2.*h13).*(x6(i)+h2.*m16))/Nb-c4(i).*mub.*x5(i);

m26 =(1-(0.5.*(c1(i)+c1(i+1))).*beta1.*(x2(i)+h2.*m12)+(1-(0.5.*(c2(i)+c2(i+1)).*beta2.*(x3(i)+h2.*m13).*(x6(i)+h2.*m16))))/Nb-((1-(0.5.*(c4(i)+c4(i+1)).*mub.*(x6(i)+h2.*h16))));

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Steven Lord 2020-5-25

What is the full and exact text (all the text displayed in red) of the error message you receive when you run this code? Don't summarize or paraphrase, just copy it verbatim from the Command Window into a comment.

oluwatayo ogunmiloro 2020-5-25

@Steven Lord That is the error i ecountered below.

Error in conjunctivitis (line 89)

m25 =

Mb.*Nb(1-(0.5.*(c4(i)+c4(i+1))))-((1-(0.5.*(c1(i)+c1(i+1)))).*beta1.*(x2(i)+h2.*m12)+(1-c2(i)+c2(i+1)).*beta2.*(x3(i)+h2.*h13).*(x6(i)+h2.*m16))/Nb-c4(i).*mub.*x5(i);

>>

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Answer 1

Walter Roberson 2020-5-25

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/533338-error-detected-but-matlab-did-not-specify-the-type-of-error-pls-help-out#answer_438633

在 MATLAB Online 中打开

m25 = Mb.*Nb(1-(0.5.*(c4(i)+c4(i+1))))-((1-(0.5.*(c1(i)+c1(i+1)))).*beta1.*(x2(i)+h2.*m12)+(1-c2(i)+c2(i+1)).*beta2.*(x3(i)+h2.*h13).*(x6(i)+h2.*m16))/Nb-c4(i).*mub.*x5(i);

MATLAB does not have implied multiplication so Nb(expression) is a request to index the scalar Nb.