2. Basic operations on matrices 接下来,我们将用矩阵建立的第一种方式来建立Matrix_4和Matrix_5做接下来的基础运算的演示,其代码如下图所示: Next, we will use the first way of matrix establishment to build Matrix_4 and Matrix_5 to demonstrate the next basic operations, and its code is shown in...
In the process of constructing the matrix, you need to use the English characters in brackets “[ ]” and semicolon “;”, insert a space between the two numbers on behalf of the same line, insert a semicolon on behalf of the next column. I have constructed two matrices here, as show...
fprintf('value of a: %d \n', a); end 1. 2. 3. 输出结果为: value of a: 10 value of a: 11 value of a: 12 value of a: 13 value of a: 14 value of a: 15 value of a: 16 value of a: 17 value of a: 18 value of a: 19 value of a: 20 1. 2. 3. 4. 5. 6. ...
The present code is a Matlab function that produces a view of a numeric matrix, where each matrix element is shown with its value and coded with color. The columns’ and rows’ numbers are placed on the x- and y-axis, respectively. The exact location and value of a given element on ...
q =1:n;% index matrices for rows andcolumns[P, Q] =ndgrid(p, q);% create a matrix with the shiftvaluesK =repmat(k(:), [1n]);% update the matrix with the columnindexesQ =1+mod(Q+K-1, n);% create matrix of linear indexesind =sub2ind([m n], P, Q);% finally, create ...
Matrix in Matlab can be created and manipulated. Defining a matrix in Matlab is similar to defining a vector in Matlab. To define a matrix, treat it as
trainingImages is a 200-by-10 cell array of training image file names; each column contains both the positive and negative training images for a digit. trainingLabels is a 200-by-10 matrix containing a label for each image in the trainingImage cell array. The labels are logical values indic...
Indexing into a matrix is a means of selecting or modifying a subset of elements from the matrix. MATLAB®has several indexing styles that are not only powerful and flexible, but also readable and expressive. Matrices are a core component of MATLAB for organizing and analyzing data, and index...
Matlab to generate mesh sample points, vectors are transformed into matrices.[X,Y] = meshgrid(x,y) returns 2-D grid coordinates based on the coordinates contained in vectors x and y. X is a matrix where each row is a copy of x, and Y is a matrix where each column is a copy of ...
The matrix can be constructed using the above rules, and there are also some built-in functions in Matlab to construct specific matrices. For example, the ones() function is used to generate a matrix with all 1s, and the zeros() function is used to generate a matrix with all 0s. The...