problem in writing code

Question

Souvick roy 2019-3-22

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/451644-problem-in-writing-code

评论： Souvick roy 2019-3-22

Respected sir i have written following code according to formula given below

delta=0.02;
lamda=[0.01: 0.001 : 0.1];
p= lamda./delta;
q1=delta-lamda+lamada*exp(-delta./lamda);
plot(p,q2);
xlabel('p');
ylabel('q1');

error message

Undefined function or variable 'lamada'.

Error in tryq1 (line 4)

q=delta-lamda+lamada*exp(-delta./lamda);

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Answer 1

KSSV 2019-3-22

1
链接

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https://ww2.mathworks.cn/matlabcentral/answers/451644-problem-in-writing-code#answer_366777

编辑：KSSV 2019-3-22

在 MATLAB Online 中打开

YOu have typed lambda wrong...typo error.

delta=0.02;
lambda=[0.01: 0.001 : 0.1];
p= lambda./delta;
q1=delta-lambda+lambda.*exp(-delta./lambda);
plot(p,q1);
xlabel('p');
ylabel('q1');

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Souvick roy 2019-3-22

在 MATLAB Online 中打开

thank you sir. please see this sir i have written folwing code according to frmula but i got lots of error plkease help me sir

delta=0.02;
beta=0.01;
lambda=[0.01: 0.001 : 0.1];
p= lambda/delta;
part1=beta /lambda *(0.5-delta+delta^2);
part2=8 * lambda *sqrt(beta);
part3= sqrt(exp(-1/(2*lambda))-sqrt(exp(-delta/(2*lambda));
part4=part2*(part3);
part5=4 * sqrt(beta)*(1-delta)* exp(-lambda/(2*delta);
part6=(1-delta);
part7=lambda * (exp (-1/lambda)-exp(-delta/lambda));
q2= part1 + part4 + part5 + part6 + part7;
plot(p,q2);
xlabel('p');
ylabel('q2');