Matrices and Vectors in MATLAB
Creating, access (entries, rows, columns, minors), arithmetic, and manipulation of matrices and vectors are shown in this video. Special matrices and vectors, relevant functions for them, element-wise operations, and other useful principles from linear algebra are discussed as well.
Creating a matrix: 0:25
Dimensions of a matrix (size): 9:14
Vectorizing and reshaping matrices: 10:08
Eliminating matrix entries: 12:45
Accessing matrix entries: 13:30
Special matrices (zeros, ones, rand, randi, randn): 18:55
Arithmetic of matrices and vectors: 33:14
Matrix transpose: 39:40
Dot product and cross product of vectors: 42:58
Forward division (/): 44:42
Matrix inverse and identity matrix: 45:10
Dot used with arithmetic operations of vectors and matrices (elementwise operation): 50:21
Backward division (\) and pseudo-inverse of a matrix: 51:20
Maximum and minimum values in a matrix/array and their locations (in2sub): 1:13:42
Sum, product, and average of entries in an array and in a matrix: 1:52:15
Finding entries with specific conditions in a matrix/array and their locations (find): 1:25:11
Trace and repmat for matrices: 1:27:56
Colon operator, "linspace" and "logspace" for creating equally-space data: 1:32:27
Difference between consecutive entries of a matrix (diff): 1:39:58
Multi-dimensional matrices: 1:41:10
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