我现在正在尝试填充表格，但是遇到了问题：
“ ProgrammingError：（1064，“您的SQL语法有错误； 检查与您的MySQL服务器版本相对应的手册 在附近使用正确的语法 '有效，美国，5,31 / 05 / 2017,100,500,50-100,250-50），（伟大，GB，5,17 / 06 / 2012,100,500，' 在第1行“）”
我被困住了。
部分源代码：
"""
boids.py
Implementation of Craig Reynold's BOIDs
Author: Mahesh Venkitachalam
"""
import sys, argparse
import math
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation
from scipy.spatial.distance import squareform, pdist, cdist
from numpy.linalg import norm
width, height = 640, 480
class Boids:
"""Class that represents boids simulation"""
def __init__(self, N):
# init position & veclocites
self.pos = [width/2.0, height/2.0] + 10*np.random.rand(2*N).reshape(N, 2)
# normalized random velocities
angles = 2*math.pi*np.random.rand(N)
self.vel = np.array(list(zip(np.sin(angles), np.cos(angles))))
self.N = N
# min dist of approach
self.minDist = 25.0
# max magnitude of velocities calculated by "rules"
self.maxRuleVel = 0.03
# max maginitude of final velocity
self.maxVel = 2.0
def tick(self, frameNum, pts, beak):
"""Update the simulation by one time step"""
# get pairwise distances
self.distMatrix = squareform(pdist(self.pos))
# apply rules:
self.vel += self.applyRules()
self.limit(self.vel, self.maxVel)
self.pos += self.vel
self.applyBC()
# update data
pts.set_data(self.pos.reshape(2*self.N)[::2],
self.pos.reshape(2*self.N)[1::2])
vec = self.pos + 10*self.vel/self.maxVel
beak.set_data(vec.reshape(2*self.N)[::2],
vec.reshape(2*self.N)[1::2])
def limitVec(self, vec, maxVal):
"""Limit magnitude of 2D Vector"""
mag = norm(vec)
if mag > maxVal:
vec[0], vec[1] = vec[0]*maxVal/mag, vec[1]*maxVal/mag
def limit(self, X, maxVal):
"""Limit magnitide of 2D vectors in array X to maxValue"""
for vec in X:
self.limitVec(vec, maxVal)
def applyBC(self):
"""apply boundary conditions"""
deltaR = 2.0
for coord in self.pos:
if coord[0] > width + deltaR:
coord[0] = - deltaR
if coord[0] < - deltaR:
coord[0] = width + deltaR
if coord[1] > height + deltaR:
coord[1] = - deltaR
if coord[1] < - deltaR:
coord[1] = height + deltaR
def applyRules(self):
# apply rule #1 - Separation
D = self.distMatrix < 25.0
vel = self.pos*D.sum(axis=1).reshape(self.N, 1) - D.dot(self.pos)
self.limit(vel, self.maxRuleVel)
# different distance threshold
D = self.distMatrix < 50.0
# apply rule #2 - Alignment
vel2 = D.dot(self.vel)
self.limit(vel2, self.maxRuleVel)
vel += vel2
# apply rule #3 - Cohesion
vel3 = D.dot(self.pos) - self.pos
self.limit(vel3, self.maxRuleVel)
vel += vel3
return vel
def buttonPress(self, event):
"""event handler for matplotlib button presses"""
# left click - add a boid
if event.button == 1:
self.pos = np.concatenate((self.pos,
np.array([[event.xdata, event.ydata]])),
axis=0)
# random velocity
angles = 2*math.pi*np.random.rand(1)
v = np.array(list(zip(np.sin(angles), np.cos(angles))))
self.vel = np.concatenate((self.vel, v), axis=0)
self.N += 1
# right click - scatter
elif event.button == 3:
# add scattering velocity
self.vel += 0.1*(self.pos-np.array([[event.xdata, event.ydata]]))
def tick(frameNum, pts, beak, boids):
#print frameNum
"""update function for animation"""
boids.tick(frameNum, pts, beak)
return pts, beak
# main fuction
def main():
# use sys.arv if needed
print('starting boids...')
parser = argparse.ArgumentParser(description="Implementing Craig Reynolds's Boids..")
# add arguments
parser.add_argument('--num-boids', dest='N', required=False)
args = parser.parse_args()
# number of boids
N = 100
if args.N:
N = int(args.N)
# create boids
boids = Boids(N)
# setup plot
fig = plt.figure()
ax = plt.axes(xlim=(0, width), ylim=(0, height))
pts, = ax.plot([], [], markersize=10,
c='k', marker='o', ls='None')
beak, = ax.plot([],[], markersize=4,
c='r', marker='o', ls='None')
anim = animation.FuncAnimation(fig, tick, fargs=(pts, beak, boids),
interval=50)
# add a "button press" event handler
cid = fig.canvas.mpl_connect('button_press_event', Boids.buttonPress)
plt.show()
# call main()
if __name__ == '__main__':
main()
有人可以帮忙吗？