https://blog.youkuaiyun.com/for_programzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/for_program/article/details/8906069https://blog.youkuaiyun.com/for_program/article/details/8906069for_programThu, 09 May 2013 15:47:07 +0800> mu = [-1, 2]; >> sigma = [1 0;0 1]; >> [X, Y] = meshgrid([-20:0.5:20]); >> p = mvnpdf([X(:),Y(:)],mu,sigma); >> p = reshape(p,size(X)); >> figure(2) >> surf(X,Y,p) >> shadi]]>https://blog.youkuaiyun.com/for_program/article/details/8887163https://blog.youkuaiyun.com/for_program/article/details/8887163for_programSun, 05 May 2013 17:02:02 +0800>> a = 1; b = 3 >>> while a: b -= 1 if b == 0: print('b equals to 0') break b equals to 0   2.使用continue 与break类似。这里不再举例。   3.pass]]>https://blog.youkuaiyun.com/for_program/article/details/8887128https://blog.youkuaiyun.com/for_program/article/details/8887128for_programSun, 05 May 2013 16:36:08 +0800>> choice = 'bacon' >>> dic = {'bacon':1, 'new':2} >>> if choice in dic: print(dic[choice])   end.. 参见其它章节]]>https://blog.youkuaiyun.com/for_program/article/details/8863777https://blog.youkuaiyun.com/for_program/article/details/8863777for_programSun, 28 Apr 2013 15:35:03 +0800https://blog.youkuaiyun.com/for_program/article/details/8863475https://blog.youkuaiyun.com/for_program/article/details/8863475for_programSun, 28 Apr 2013 15:23:30 +0800>> y, g = 'yes', 'good' >>> y 'yes' >>> g 'good' 下面是list赋值的例子。 >>> a = 1 >>> b = 2 >>> [e, f] = [a, b] >>> e 1 >>> f 2 当然，tu]]>https://blog.youkuaiyun.com/for_program/article/details/8863258https://blog.youkuaiyun.com/for_program/article/details/8863258for_programSun, 28 Apr 2013 14:41:20 +0800https://blog.youkuaiyun.com/for_program/article/details/8861920https://blog.youkuaiyun.com/for_program/article/details/8861920for_programSun, 28 Apr 2013 09:42:57 +0800>> t = (1, 2, 3)]]>https://blog.youkuaiyun.com/for_program/article/details/8861726https://blog.youkuaiyun.com/for_program/article/details/8861726for_programSun, 28 Apr 2013 09:20:54 +0800https://blog.youkuaiyun.com/for_program/article/details/8858761https://blog.youkuaiyun.com/for_program/article/details/8858761for_programSat, 27 Apr 2013 13:50:44 +0800https://blog.youkuaiyun.com/for_program/article/details/8858714https://blog.youkuaiyun.com/for_program/article/details/8858714for_programSat, 27 Apr 2013 13:40:55 +0800>> t = ('a', 'c', 'b]]>https://blog.youkuaiyun.com/for_program/article/details/8858607https://blog.youkuaiyun.com/for_program/article/details/8858607for_programSat, 27 Apr 2013 13:24:45 +0800>> d = {'jiji':1, 'waiwai':2} #创建 >>> d['jiji'] 1 >>> d['waiwai'] #取值 2 >>> d]]>https://blog.youkuaiyun.com/for_program/article/details/8858470https://blog.youkuaiyun.com/for_program/article/details/8858470for_programSat, 27 Apr 2013 13:04:02 +0800>> [1, [1, 2], [1, 2, [3, 4]], 'hello', {'这也行?'}] [1, [1, 2], [1,]]>https://blog.youkuaiyun.com/for_program/article/details/8857775https://blog.youkuaiyun.com/for_program/article/details/8857775for_programSat, 27 Apr 2013 11:32:27 +0800>> 'I'm' SyntaxError: invalid syntax >>> 'I"m' 'I"m' >>> "I"m" SyntaxError: invalid syntax >>> "I'm" "I'm" 除非你坚持还用下面的方式： >>> 'I]]>https://blog.youkuaiyun.com/for_program/article/details/8855791https://blog.youkuaiyun.com/for_program/article/details/8855791for_programFri, 26 Apr 2013 18:05:14 +0800>>a # wrong >>>a = 4 #right >>>a 4 那么a = 4 这个语句python做了什么呢？ 1.1 创建一个与4关联的object。(python中一切都是object) 1.2 如果a不存在，创]]>https://blog.youkuaiyun.com/for_program/article/details/8854245https://blog.youkuaiyun.com/for_program/article/details/8854245for_programFri, 26 Apr 2013 16:59:50 +0800https://blog.youkuaiyun.com/for_program/article/details/8853758https://blog.youkuaiyun.com/for_program/article/details/8853758for_programFri, 26 Apr 2013 14:11:43 +0800https://blog.youkuaiyun.com/for_program/article/details/8853225https://blog.youkuaiyun.com/for_program/article/details/8853225for_programFri, 26 Apr 2013 11:31:59 +0800