如何将多个输出从函数传递到单元格数组 [英] How to pass multiple output from function into cell array

问题描述

我具有以下原型的功能

function [bandwidth,density,X,Y,x,y]=kde2d(data,n,MIN_XY,MAX_XY)

基本上，该函数如上所述返回6个输出，其中一些为矢量形式，而另一些为数值形式.如何优雅地将函数的输出传递到1 x 6单元格数组中?

basically the function returns 6 outputs as above, some are in vector form while others are a numerical quantity. How can I elegantly pass the output from the function into a 1 by 6 cell array?

推荐答案

如何

[a{1:6}] = kde2d( data, n, MIN_XY, MAX_XY )

修改:

考虑这个烦人的功能

def foo(n):
  if n == 1:
    return [1, ]
  elif n == 2:
    return [1, ], {'a': 2}
  elif n == 3:
    return [1, ], {'a': 2}, (3, 3, 3)
  return [1, ], {'a': 2}, (3, 3, 3), None

您始终可以将所有输出合并为一个元组:

You can always get all the outputs into a single tuple:

for i in range(1, 5):
  f = foo(i)
  print('got {} outputs: {}'.format(len(f), f))

，此简单循环的输出将是:

and the output of this simple loop would be:

got 1 outputs: [1]
got 2 outputs: ([1], {'a': 2})
got 3 outputs: ([1], {'a': 2}, (3, 3, 3))
got 4 outputs: ([1], {'a': 2}, (3, 3, 3), None)

如果要获取特定的输出:

If you want to get a specific output:

f = foo(2)
f[1]   # accessing the second output, {'a': 2} in this example.

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