[Numpy-discussion] multivariate_normal issue with 'size' argument

[Warren Weckesser]

On 5/24/13, Emanuele Olivetti <emanuele at relativita.com> wrote:
> Interesting. Anyone able to reproduce what I observe?


Yes.  I'm also using Ubuntu 12.04.  With numpy 1.6.1, I get the same
error, but it works fine with numpy 1.7.1.

Warren


>
> Emanuele
>
> On 05/24/2013 02:09 PM, Nicolas Rougier wrote:
>>
>>
>> Works for me (numpy 1.7.1, osx 10.8.3):
>>
>>>>> import numpy as np
>>>>> print np.random.multivariate_normal(mean=np.zeros(2), cov=np.eye(2),
>>>>> size=1)
>> [[-0.55854737 -1.82631485]]
>>>>> print np.random.multivariate_normal(mean=np.zeros(2), cov=np.eye(2),
>>>>> size=np.int64(1))
>> [[ 0.40274243 -0.33922682]]
>>
>>
>>
>> Nicolas
>>
>> On May 24, 2013, at 2:02 PM, Emanuele Olivetti <emanuele at relativita.com>
>> wrote:
>>
>>> import numpy as np
>>> print np.random.multivariate_normal(mean=np.zeros(2), cov=np.eye(2),
>>> size=1)
>>> print np.random.multivariate_normal(mean=np.zeros(2), cov=np.eye(2),
>>> size=np.int64(1))
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