cjones903's Profile User Rating: -----

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User is offline Mar 26 2013 06:55 PM
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  1. In Topic: Comparing 2 Rows, Slices

    Posted 6 Feb 2013

    Other than not being very pythonic or elegant, do you guys forsee a problem with this?

    def xmax(r):
        x1 = (r[0][0])
        x2 = (r[1][0])
        xMax = max(x1,x2) 
        return(xMax)
        
    def xmin(r):
        x1 = (r[0][0])
        x2 = (r[1][0])
        xMin = min(x1,x2)
        return(xMin)
    
    
  2. In Topic: Comparing 2 Rows, Slices

    Posted 6 Feb 2013

    @Darek, I like the zip idea, but I need the actual numerical values for each. @andrewsw, the axis = 0 does indeed return an entire row. The axis = 1 returns an entire column.
  3. In Topic: Best Way to Take Values from a Numpy Array, Two at a Time

    Posted 4 Feb 2013

    I've gotten a little further, but its a TOTAL KLUGE!

    import numpy as np
    #from collections import deque
    
    '''
    Created on Jan 27, 2013
    
    @author: cameron
    '''
    
    
    f ='/Users/cameron/Documents/workspace/findMinMax/crapc.txt'
    x,y,z = np.loadtxt(f, unpack=True, usecols=(1,2,3), ndmin = 2)
    
     
    maxZ = max(z)
    minZ = min(z)
    print("Maximum Z value: " + str(maxZ))
    print("Minimum Z value: " + str(minZ))
    
    matrix = [x,y,z]  
    '''[[row[i] for row in matrix] for i in range(3)]
    #print(matrix[2][3])
    print()'''
    
    xyz = []
    for i in range(len(x)):
        if (matrix[2][i]) < 2:
            xyz = (matrix[0][i], matrix[1][i], matrix[2][i])
            xyz2= (matrix[0][i-1], matrix[1][i-1], matrix[2][i-1])
    print(xyz2)
    
  4. In Topic: Best Way to Take Values from a Numpy Array, Two at a Time

    Posted 3 Feb 2013

    I shall try. So far, all I've gotten is the text file read into a 'matrix'. I want to then take two complete rows from the top ( I was thinking LIFO queue, but I'm a newbie, so that is looking daunting). I would then want to use the values in those rows to work on, and then move to the next two values. From time to time, I may have to refer back to previous values though.
  5. In Topic: Clearing an ArrayList within a method

    Posted 25 Jan 2013

    This is the EXACT error I'm getting.:


    Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
    at java.util.ArrayList.RangeCheck(ArrayList.java:547)
    at java.util.ArrayList.get(ArrayList.java:322)
    at wyby.getZMM(wyby.java:182)
    at wyby.main(wyby.java:30)

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