Get dimensions of array in Julia - ndims() Method ndims() 是julia中的内置函数,用于返回指定数组 A。 语法:ndims(A::AbstractArray) 参数:A:指定数组 返回:返回指定数组A的维数。 示例1: # Julia program to illustrate # the use of Array ndims() method # Finding the number of dimension of # t...
范例1: # Julia program to illustrate# the use of Arrayndims() method# Finding the number of dimension of# the specified array A.A = fill(1, 3); println(ndims(A))# Finding the number of dimension of# the specified array B.B = fill(1, (3, 3)); println(ndims(B))# Finding the...
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img_perm = permuteddimsview(random_img_array, (3, 1, 2)) img = colorview(RGB, Float16.(img_perm)) imshow(img) 完成相同功能的另一种实现方法如下: using Images, ImageView random_img_array = rand(40, 100, 3); # height, width, channel img_perm = permutedims(random_img_array, [3,...
1x = zeros(4, 4) # 4x4 array of zeros2y = zeros(4) # 4 element array3z = 2# a scalar4# y's 1st dimension gets repeated for the 2nd dimension in x5# and the scalar z get's repeated for all dimensions6# the below is equal to `broadcast(+, broadcast(+, xx, y), z)`7x ...
一个常见的示例是中的Dimensionity参数,其中是类型(例如),但仅仅是一个。truefalseArray{T,N}TFloat64NInt 您可以创建自己的以值作为参数的自定义类型,并使用它们来控制自定义类型的调度。为了说明这一点,让我们介绍一个参数类型,Val{T}它是在不需要更详尽的层次结构的情况下利用此技术的一种常用方法。 Val ...
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size(A::AbstractArray, Dim) 参数: A:指定数组 Dim:指定尺寸 返回值:它返回一个包含指定数组维度的元组。 范例1: # Julia program to illustrate# the use of Arraysize() method# Finding a tuple containing the dimension of# the specified 1D array A.A = [5, 10, 15, 20] ...
x = zeros(4, 4) # 4x4 array of zeros y = zeros(4) # 4 element array z = 2 # a scalar # y's 1st dimension gets repeated for the 2nd dimension in x # and the scalar z get's repeated for all dimensions # the below is equal to `broadcast(+, broadcast(+, xx, y), z)` ...
x = zeros(4, 4) # 4x4 array of zeros y = zeros(4) # 4 element array z = 2 # a scalar # y's 1st dimension gets repeated for the 2nd dimension in x # and the scalar z get's repeated for all dimensions # the below is equal to `broadcast(+, broadcast(+, xx, y), z)` ...