edu.rit.mri.test

Class GenData

java.lang.Object

edu.rit.mri.test.GenData

public class GenData
extends java.lang.Object

Class GenData is a main program that generates a spin signal data set.

Usage: java edu.rit.mri.test.GenData seed stdev tmax nt ρ₁ x₁ [ ρ₂ x₂ . . . ]

The program:

1. Initializes a pseudorandom number generator with seed.
2. Generates nt values of t, unevenly spaced, up to tmax.
3. For each value of t, computes the spin signal S(t) = Σ_i ρ_i [1 − 2 exp(−x_i t)] where ρ_i is the i-th spin density and x_i is the i-th spin relaxation rate.
4. For each spin signal value, adds random Gaussian noise with mean 0 and standard deviation stdev.
5. Prints each value of t and the corresponding S(t) with noise on one line of the standard output.

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args) Main program.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Main program.

Throws:

java.lang.Exception