2011年10月28日 · Ok, so the length of the arrays in the returned tuple is equal to the number of non-zero values that are in the orig array. And the number of arrays in the returned tuple is …

2013年5月31日 · Do you know abstract algebra, esp. the distinction: formal polynomials vs. polynomial functions? What is the source/context of the question?What does "nonzero" …

As a personal preference, I like the way nonzero looks but I prefer to use non-empty so I don't know what the consistency with hyphens is when prefixing "non". I also like the way …

Amount of ones affects only the first option. np.nonzero () is better with high amount of non-zero elements. If the length is less than 10000, the first option is faster.

2013年4月12日 · In Numpy, nonzero(a), where(a) and argwhere(a), with a being a numpy array, all seem to return the non-zero indices of the array. What are the differences between these …

NumPy has the efficient function/method nonzero() to identify the indices of non-zero elements in an ndarray object. What is the most efficient way to obtain the indices of the elements that do …

2013年10月8日 · I'm atttempting to find the non-zero (x,y) coordinates of a binary image. I've found a few references to the function countNonZero() which only counts the non-zero …

2016年8月30日 · You can achieve same result in Tensorflow using not_equal and where methods. zero = tf.constant(0, dtype=tf.float32) where = tf.not_equal(A, zero) where is a tensor …

An integer is any whole number or its negative, e.g. ..., -2, -1, 0, 1, 2, ... A non-zero integer is any of these but 0. Your definition of a rational number is just a mathematically rigorous way of …

2020年6月12日 · But for what is meant by nonzero (linear) equation, there should be no ambiguity: linear equations (in a given set of unknowns, over a given field) form a vector space …