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原创识补漏

1、奇异矩阵为什么奇异矩阵的判断跟行列式是否为0相关？为什么又跟特征值含有0相关？是否奇异，说明了什么？2、visual studio code

2016-12-17 21:26:09 246

转载 Export Binary Data with Low-Level I/O

Low-Level Functions for Exporting Data Low-level file I/O functions allow the most direct control over reading or writing data to a file. However, these functions require that you specify more detail

2016-12-01 00:04:50 304

转载 Export to Text Data Files with Low-Level I/O

Write to Text Files Using fprintf Open Script This example shows how to create text files, including combinations of numeric and character data and nonrectangular files, using the low-level fprintf

2016-12-01 00:04:32 237

转载 Import Binary Data with Low-Level I/O

Low-Level Functions for Importing Data Low-level file I/O functions allow the most direct control over reading or writing data to a file. However, these functions require that you specify more detail

2016-12-01 00:04:11 311

转载 Import Text Data Files with Low-Level I/O

Overview Low-level file I/O functions allow the most control over reading or writing data to a file. However, these functions require that you specify more detailed information about your file than t

2016-12-01 00:03:52 253

转载 Empty Matrices, Scalars, and Vectors

Overview Although matrices are two dimensional, they do not always appear to have a rectangular shape. A 1-by-8 matrix, for example, has two dimensions yet is linear. These matrices are described in

2016-12-01 00:01:11 581

转载 Operating on Diagonal Matrices

Diagonal Matrix Functions There are several MATLAB® functions that work specifically on diagonal matrices. Function Description blkdiag Construct a block diagonal matrix from input arguments. di

2016-12-01 00:00:44 255

转载 Resizing and Reshaping Matrices

Expanding the Size of a Matrix You can expand the size of any existing matrix as long as doing so does not give the resulting matrix an irregular shape. (See Keeping Matrices Rectangular). For examp

2016-12-01 00:00:17 299

转载 Matrix Indexing

Accessing Single Elements To reference a particular element in a matrix, specify its row and column number using the following syntax, where A is the matrix variable. Always specify the row first an

2016-11-30 23:59:37 546

转载 Creating and Concatenating Matrices

Overview The most basic MATLAB® data structure is the matrix: a two-dimensional, rectangularly shaped data structure capable of storing multiple elements of data in an easily accessible format. These

2016-11-30 23:57:51 257

转载 Shifting and Sorting Matrices

Shift and Sort Functions Use these functions to shift or sort the elements of a matrix. Function Description circshift Circularly shift matrix contents. sort Sort array elements in ascending or descen

2016-11-30 21:22:53 286

转载 Multidimensional Arrays

Overview An array having more than two dimensions is called a multidimensional array in the MATLAB® application. Multidimensional arrays in MATLAB are an extension of the normal two-dimensional matr

2016-11-29 23:35:32 449