pltc325-优快云博客

原创神经网络(6)

def evaluate(self, test_data): """Return the number of test inputs for which the neural network outputs the correct result. Note that the neural network's output is assumed to

2015-05-06 17:27:24 492

原创神经网络(5)

# output layer error is calculated as follows output_layer_error = self.cost_derivative(activations[-1], y) * sigmoid_prime_vec(zs[-1]) # backward pass # in backward pass, we calculate the

2015-05-06 17:27:01 411

原创神经网络(2)

"""Update the network's weights and biases by applying gradient descent using backpropagation to a single mini batch.The update equations usedclarification: sigma_x(f) means sum of all f(x)w = w -

2015-05-06 17:25:19 561

原创神经网络(4)

if test_data: n_test = len(test_data) n = len(training_data) for j in xrange(epochs): random.shuffle(training_data) mini_batches = [training_data[k:k+mini_batch_size] for k in

2015-05-06 17:24:21 486

原创神经网络(3)

# after the for clause, we have 'sigma_x(partial derivation of weight corresponding to cost function)' as well as # sigma_x(partial derivation of bias corresponding to cost function). it leaves us

2015-05-06 17:23:56 402

原创神经网络(1)

import numpy as npimport randomclass Network(): def __init__(self, sizes): """ :param sizes: each element in sizes represents the number of neurons in each layer. e.g. [2,3,1] re

2015-05-06 17:22:07 410

原创 af

抽象工厂好处：使得切换（创建）不同系列对象变的容易。缺点：难于扩展，要扩展必须从抽象层变化。代码package:designparttern.abstractfactory：

2014-04-21 14:40:28 389

原创 f23

def anim_highlight_box(top,left,width,height): pygame.draw.rect(DISPLAYSURF, HIGHLIGHTCOLOR, (left - 2, top - 2, width + 4, height + 4), 1) pygame.display.update()def anim_highlight_box_co

2012-08-02 17:36:00 360

原创 f22

class ServerThread(threading.Thread): def __init__(self, num): threading.Thread.__init__(self) self._run_num = num def run(self): global connection,addr,Lock

2012-08-02 17:35:25 418

原创 f21

if is_win(cross,i,j): DISPLAYSURF.blit(YOUSUCK_SURF,YOUSUCK_RECT) pygame.display.update() pygame.time.wait(WINWAITTIMEMILL

2012-08-02 17:32:56 297

原创 f20

buf = sock.recv(1024) if len(buf) == 0: pygame.quit() sys.exit() pygame.event.set_allowed(MOUSEBUTTONUP)

2012-08-02 17:32:32 277

if (i,j,x,y) != (None,None,None,None): sock.send(str(i)+" " +str(j) + " " + str(x) + " " + str(y) ) Sended = True logger("client.txt","send()") cross[i][j] = WHITEPIECE pygame.event.set_blocked(MOUSEB

2012-08-02 17:32:10 306

原创 f18

if player == CLIENT: while True: Sended = False while not Sended: for event in pygame.event.get():

2012-08-02 17:31:45 345

原创 f17

if is_win(cross,i,j): DISPLAYSURF.blit(YOUWIN_SURF,YOUWIN_RECT) pygame.display.update()

2012-08-02 17:31:19 263

原创 f16

elif event.type == MOUSEBUTTONUP: mousex, mousey = event.pos i,j,x,y = get_position_clicked(CROSSPOS,mousex,mousey)

2012-08-02 17:30:51 334

原创 f15

pygame.time.wait(WINWAITTIMEMILLESEC) pygame.quit() sys.exit() pygame.display.update() FPSCLOCK.tick(FPS

2012-08-02 17:29:54 292

原创 f14

if Lock == False: print "here" draw_origin_displaysurf() if player == SERVER: while True: buf = connection.recv(1024)

2012-08-02 17:28:04 305

原创 f13

elif event.type == MOUSEBUTTONUP: mousex, mousey = event.pos if CREATEGAME_RECT.collidepoint(event.pos): #connection,addr = create_game(

2012-08-02 17:27:31 283

原创 f12

def main(): global FPS,BASICFONT,BASICFONTSIZE,Lock,connection,addr mousex,mousey = 0,0 connection,addr = None,None init_cross(cross) init_crosspos(CROSSPOS) #print CROSS

2012-08-02 17:26:35 308

原创 f10

if player == CLIENT: while True: for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() elif event.type

2012-08-01 17:37:21 364

原创 f9

while not Sended: for event in pygame.event.get(): if event.type == QUIT: pygame.quit()

2012-08-01 17:35:56 299

原创 f8

if Lock == False: #i,j,x,y = get_position_clicked(CROSSPOS,mousex,mousey) #if (i,j,x,y) != (None,None,None,None): if player == SERVER:

2012-08-01 17:32:59 320

原创 f6

def main(): global FPS,BASICFONT,BASICFONTSIZE FPSCLOCK = pygame.time.Clock() BASICFONT = pygame.font.Font(FONTPATH, BASICFONTSIZE) mousex,mousey = 0,0 connection,addr = None

2012-08-01 17:31:49 269

原创 f5

def create_game(): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1) local_ip = get_local_ip() #local_ip = "127.0.0.1"

2012-08-01 17:31:22 837

原创 f4

if j - 4 >= 0 and i - 4 >= 0: x,y = i,j print "i,j",i,j s = 0 for z in range(5): s += cross[x][y] x-=1;y+=1 print "s:",s

2012-08-01 17:30:53 593

原创 f3

def around_check(cross,i,j): #print i,j if i+4 s = 0 for x in range(i,i+5): s += cross[x][j] if s == 5 or s == -5: return True if i

2012-08-01 17:30:17 546

原创 f2

def init_crosspos(CROSSPOS): for i in range(NUMLINESHORIZONTAL): center_x = BOARDLEFT + BOXSIZE + i*BOXSIZE cols = [] for j in range(NUMLINESVERTICAL): ce

2012-08-01 17:29:10 282

原创 f1

#coding=utf-8from pygame.locals import *from pygame import Surfaceimport pygameimport sysimport randomfrom pygame import fontimport osimport socketBLACK = (0,0,0)GRAY = (100, 100,

2012-08-01 17:28:25 321

原创 camera5

def main(): global FPSCLOCK FPSCLOCK = pygame.time.Clock() cam = Camera(WORLDWIDTH/4,WORLDHEIGHT/4) world_in_cam_surf = WORLDSURF .subsurface((cam.x,cam.y,WINDOWWIDTH,W

2012-07-31 19:45:17 254

原创 camera4

if direction == DOWN: if self.y print "down here" print self.y,WORLDHEIGHT - WINDOWHEIGHT - 1 print self.player.y,WINDOWWIDTH/2

2012-07-31 19:44:50 329

原创 camera3

if direction == RIGHT: if self.x print "right here" print self.x,WORLDWIDTH - WINDOWWIDTH - 1 print self.player.x,WINDOWWIDTH/2

2012-07-31 19:44:17 326

原创 camera2

class World: passclass Camera: def __init__(self,x,y): self.x = x self.y = y def follow(self,player): self.player = player def update(self,direction):

2012-07-31 19:43:04 226

原创 camera1

#coding=utf-8from pygame.locals import *from pygame import Surfaceimport pygameimport sysimport randomfrom pygame import fontimport osBLACK = (0,0,0)GRAY = (100, 100, 100)NAVYBLUE

2012-07-31 19:40:01 279

原创 sp11--cheat

def cheat(boxs): print "cheat mode on" cheat_move = "" for move in reversed(ALLMOVES): if move == LEFT: cheat_move = RIGHT (boxx,boxy) = (BLANK[0]-1,B

2012-07-28 16:21:07 232

原创 sp10

if lives text_surf = init_font(FONTPATH,32,"YOU LOSE!",GREEN,BLUE) draw_font(text_surf,DISPLAYSURF,WINDOWWIDTH/2-text_surf.get_rect().width/2,WINDOWHEIGHT/2-text_surf.get_re

2012-07-27 20:40:41 218

原创 sp9

elif event.type == KEYUP: lives -= 1 key_pressed = True if event.key in (K_LEFT, K_a) and is_valid_move(LEFT): move = LEFT

2012-07-27 20:40:10 251

原创 sp8

def main(): global FPSCLOCK,LIVES,BLANK,BASICFONT,FONTPATH,ALLMOVES BASICFONT = pygame.font.Font(FONTPATH, BASICFONTSIZE) FPSCLOCK = pygame.time.Clock() mousex,mouse

2012-07-27 20:38:51 412

原创 sp7

def shuffle_boxs(boxs,num_moves): global BLANK,ALLMOVES moves_gen = [] ALLMOVES = [UP,DOWN,LEFT,RIGHT] HMOVES = [LEFT,RIGHT] VMOVES = [UP,DOWN] last_move = None for

2012-07-27 20:37:36 309

原创 sp6

def is_valid_move(move): global BLANK if move == LEFT: if BLANK[0] >= NUMBOXHORIZONTAL - 1: return False elif move == RIGHT: if BLANK[0] ret

2012-07-27 20:37:08 219

原创 sp4

def init_boxs_pixel_x_y_relative_BOARD(): boxs = [] for i in range(NUMBOXHORIZONTAL): vert_boxs = [] x = BOXMARGINWIDTH x += i * (BOXWIDTH + GAPBETBOXS)

2012-07-27 20:34:24 362

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