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Type: Posts; User: zeebo17

1. ## Thread: nonlinear curve fitting with a fixed point

by zeebo17
Replies
1
Views
1,988

### nonlinear curve fitting with a fixed point

Hi,

I have found this function that will calculate the best fit polynomial for a set of dx's and dy's and then save the coefficients in the 1D store[] array using the GSL GNU Scientific Library....
2. ## Thread: How to find minimums and maximums of quasi-periodic data

by zeebo17
Replies
5
Views
1,146

### I like the need_min/need_max variable idea! I'm...

I like the need_min/need_max variable idea! I'm going to try that out and see if I can get it.

And that's a good point. I'll have to add some kind of check to make sure that it can handle flat...
3. ## Thread: How to find minimums and maximums of quasi-periodic data

by zeebo17
Replies
5
Views
1,146

### I think what I'm most confused about is how to...

I think what I'm most confused about is how to exit the loop once it finds a max, and then pick up where the loop left off searching for the min without doing some kind of ridiculous series of...
4. ## Thread: How to find minimums and maximums of quasi-periodic data

by zeebo17
Replies
5
Views
1,146

### How to find minimums and maximums of quasi-periodic data

Hi,

I have a set of quasi-periodic (almost sinusoidal) data and I would like to identify all the minimums and maximums. If this was periodic I think this would be easier to just find a min/max...
5. ## Thread: Structure of arrays

by zeebo17
Replies
2
Views
4,427

### Oh great! That was the problem. Thanks for your...

Oh great! That was the problem. Thanks for your help!
6. ## Thread: Structure of arrays

by zeebo17
Replies
2
Views
4,427

### Structure of arrays

Hi,

I have a structure of arrays such as:

typedef struct {
double array1[10];
double array2[10];
double array3[10];
7. ## Thread: Simple comma delimited text file

by zeebo17
Replies
10
Views
10,989

### I was able to get it to work using strtok() and...

I was able to get it to work using strtok() and this tutorial: C | /* StudentRec.c a simple stud - Sample demo to parse CSV text - JSENSYNR - Pastebin.com.

8. ## Thread: Simple comma delimited text file

by zeebo17
Replies
10
Views
10,989

### The %*c just produced more nonsense numbers. I...

The %*c just produced more nonsense numbers. I tried it with and without the last %*c. I assumed the last one was for the newline. How does that handle the newline then?

Thanks!
9. ## Thread: Simple comma delimited text file

by zeebo17
Replies
10
Views
10,989

### hmmm the %*c didn't work. I'm not familiar...

hmmm the %*c didn't work.

I'm not familiar with strtod()- looking it up now.
10. ## Thread: Simple comma delimited text file

by zeebo17
Replies
10
Views
10,989

### Simple comma delimited text file

Hi,

I have a simple comma delimited text file full of doubles such as

1,2,3,4,5
1,2,3,4,5
1,2,3,4,5
1,2,3,4,5
...
...
11. ## Thread: How to shift elements of an array?

by zeebo17
Replies
25
Views
16,303

### How to shift elements of an array?

Hi,

I have an 1D array with depth values (say from 0 to 5cm). The user will input an amount to shift the depth (say shift=2cm). How would I then use the value to produce a second array that has...

by zeebo17
Replies
10
Views
1,122

### read in data, manipulate, and print back out

Hi,

I have some data in the form

1 2 3
4 5 6
7 8 9

in a txt file.
13. ## Thread: transpose of a 2D array seg faults on non-square arrays

by zeebo17
Replies
4
Views
2,479

### Oh wow! Thank you so much, that fixed it!

Oh wow! Thank you so much, that fixed it!
14. ## Thread: transpose of a 2D array seg faults on non-square arrays

by zeebo17
Replies
4
Views
2,479

### Ok I changed the row and col in the printing...

Ok I changed the row and col in the printing loop, but it is still giving me a seg fault. Is that what I needed to change?

for(i=0;i<col;i++) {
for (j=0; j<row; j++){
printf("%f ",...
15. ## Thread: transpose of a 2D array seg faults on non-square arrays

by zeebo17
Replies
4
Views
2,479

### transpose of a 2D array seg faults on non-square arrays

Hi i'm having trouble with a function that simply computes the transpose of a 2D array. It works fine for square arrays, but then seg faults on non-square arrays. Any Suggestions on what might be...
16. ## Thread: printing elements of an array using pointers

by zeebo17
Replies
3
Views
17,465

### printing elements of an array using pointers

Hi,

I'm just learning about pointers and as a simple exercise I am trying to print the elements of the array. I'm trying to write a simple function that cycles through the columns and then prints...
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