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Developing a mobile assortment of empty matrices with the mobile operate is similar to assigning an empty matrix to the final index of a fresh mobile array. One example is, these two statements are equal:

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Expressions that include relational operators on arrays, such as A > 0, are true only when each component in the result is nonzero.

Measurement, specified being a row vector of integers. Just about every aspect of sz signifies the size from the corresponding dimension.

cat 函数可用于构造多维数组。例如，在 A 后以串联方式添加第三页，由此创建一个新的三维数组 B。第一个参数指示要沿哪一个维度进行串联。

When related items of data have unique info types, you could hold them with each other inside of a cell array. Each mobile consists of a bit of information.

Setting up in R2019a, the dimensions of the expanded cell array are reliable no matter if you employ curly braces or parentheses for indices. Beforehand, the output dimensions have been various any time you didn't specify indices for all dimensions.

reshape 逐列操作，沿 A 中各列连续逐一提取元素来创建新矩阵，从第一页开始，之后是第二页。

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str2sym(symstr) evaluates symstr where by symstr is a string symbolizing a symbolic expression. Enter symbolic expressions as strings only when examining expressions from textual content data files or when specifying figures just. Normally, will not use strings for symbolic input.

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When you've got information To place into a cell array, build the array using the mobile array construction operator, .

Indexing with curly braces now matches the previous conduct for indexing with parentheses, which happens to be in step with normal array enlargement. By way of example:

Present this habits by looking through a differential equation and Original condition from a file. Resolve the equation to the affliction. Because str2sym doesn't Assess y(t) inside the equation, the output is reproducible.

多维数组的元素可以通过多种方式移动，类似于向量和矩阵。reshape、permute 和 squeeze 函数可用于重新排列元素。假设有一个两页的三维数组。

每个元素由两个下标（即行索引和列索引）来定义。多维数组是二维矩阵的扩展，并使用额外的下标进行索引。例如，三维数组使用三个下标。前两个维度就像一个矩阵，而第三个维度表示元素的

Include readings for different dates into the mobile array. One way to include more cells would be to expand the mobile array by assignment, just as you can extend a normal array.

str2sym isn't going to substitute values from your workspace for variables in the input. Therefore, str2sym has reproducible output. Alternatively, substitute workspace values by using subs to the output of str2sym.