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OK. the equation I proposed was a put-together of two seperate functions. What I have to do is integrate the left side and the right side seperately... then make them equal to each other.
...

I need to write a program in C to integrate the following simple equation:

dy/y= x dx

and I have no clue whatsoever on how to integrate it... :confused:

Could somebody please show me the...

Uh i see,

*but what should i do to confine the generated numbers to a range of say [0, 0] to [(Pi/2), 1]?

*Also, what should i change to produce 1000 random numbers instead of 10?

#include <stdlib.h>
int min(void){

int i;

i= rand();

printf("%d", i);

double d = i / RAND_MAX * PI;

I've just written a simple program which returns 1 random number...

BUT WHY DOES IT ALWAYS RETURN AROUND 27000!!!???

is there a trick to fix this?

also, can you show me how to limit the...

thanks to Michael Ashley...


// An example showing how to generate random floating
// point numbers between 0 and 1.

// Michael Ashley / UNSW / 02-Apr-2003

#include <sys/time.h>...

Can u please give me a simple example because i dunno how to use rand() or double...

OK
i found a random number generator program and it goes like this



#include <stdio.h>
#include <assert.h>

#define MAXBIT 30

i'm noob in c prog.

so all i can do is find sin(x) for different values of x. you know, the basic printf and scanf thingy..

i can probably integrate sin(x), but i cant possibly find the...

Hi I'm Ali,

My problem is as follows:

*i need to write a program to calculate the INTEGRAL of sin(x), from x=0 to x=pi/2.

*Also, i need to produce 1000 random numbers within 0 and pi/2.
...