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R.R. Jha
R.R. Jha, Tutor
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Need help fixing C code for a project. I need to put solutions

Resolved Question:

Need help fixing C code for a project. I need to put solutions for 3 variables in one array instead of 3 separate ones. Also, I need help getting the correct values for an integral function using the array results.
Submitted: 1 year ago.
Category: Homework
Expert:  ATLProg replied 1 year ago.
Hello I can assist you. Please upload any file you may have on wikisend.com and post file id here
Customer: replied 1 year ago.

Problem: 501080


 


Code I have: 274360


 


Input parameter file: 149404


 


 

Expert:  ATLProg replied 1 year ago.
Let me see. By when you need this done
Customer: replied 1 year ago.

As soon as possible. Tonight or tomorrow by noon. I can pay a little extra if necessary.

Expert:  ATLProg replied 1 year ago.
Ok let me take a look and get back to you
Customer: replied 1 year ago.

Thank you

Expert:  ATLProg replied 1 year ago.
no problem
Customer: replied 1 year ago.
Any update? Can you finish it tonight?
Expert:  R.R. Jha replied 1 year ago.
Hi,

I'd be glad to help. I'll work it out and get back to you as soon as possible.


Thanks
Customer: replied 1 year ago.
Thank you. Do you have any sort of time frame of when you'd be finished? This morning would be great.
Expert:  R.R. Jha replied 1 year ago.
Working through. I'd update you know in a couple of hours.
Expert:  R.R. Jha replied 1 year ago.
I've fixed the array issue (assuming the numerical steps were correct). But not sure about Simpsons' integral. Do you have any reference?
Customer: replied 1 year ago.

So you have the values stored in a 3 x n array?


 


For Simpson's Rule, the first equation in the wikipedia article gives what is going on and it needs to be integrated from a=0 to b=15 with steps of 0.1, so 150 total points. I'm assuming the Simpson function needs to use a loop and the array value for y instead of y_new4. The values for the integral also need to be stored in an array, he said.


 


http://en.wikipedia.org/wiki/Simpson's_rule


 


http://www.physics.ohio-state.edu/~ntg/780/c_progs/integ.c


 


http://www.cplusplus.com/forum/beginner/3073/


 


Also, he said I shouldn't need all of the _est equations and that it should be done with a for loop that implements an equation 4 times.

Expert:  R.R. Jha replied 1 year ago.
I've the values in 4 x n array, as reads the extra guidance from instructor. I'll review the Simpson's rule and let you know. I'll also modify the program to use the loop for est equations.
Customer: replied 1 year ago.

Awesome. That's perfect. Could I possibly see what you have now with the 4 x n array?

Expert:  R.R. Jha replied 1 year ago.
4 x n array is used to save t, x, y, z as was mentioned in the prog_problem.docx you sent. I'll send the complete code in a few hours.
Customer: replied 1 year ago.

ok sounds good

Expert:  R.R. Jha replied 1 year ago.
Ok
Expert:  R.R. Jha replied 1 year ago.
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Category: Homework
Satisfied Customers: 5470
Experience: B.Tech
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