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[DOC File]MATLAB NOTES FOR GEOPHYSICS
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In Matlab, a one dimensional array or matrix can be either a matrix with one column or a matrix with one row. If you don't know which you have, it can cause problems with subsequent computations, but fortunately, it is easy to change the data from one form to the other with the transpose command.
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[DOC File]Sample MATLAB codes
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1. %Newton Cooling Law. clear; close all; clc; h = 1; T(1) = 10; %T(0) error = 1; TOL = 1e-6; k = 0; dt = 1/10; while error > TOL, k = k+1; T(k+1) = h*(1-T(k))*dt+T(k);
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[DOC File]INTRODUCTION TO MATLAB, 2/99 by Leslie Foster
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Matlab is interactive with all variables automatically saved. On line help facilities are provided as well as demonstrations illustrating Matlab features. The core of Matlab is a large number of powerful matrix functions that usually can be invoked with one command. For problems that cannot be directly solved with these built functions, the ...
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[DOC File]CS2503
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If vect = ones( 1, 6 ), show how the contents of vect changes if vect(3:4) = -2? Create the following matrix using only one executable statement and only the multiply operator, ones. and . zeros. functions: Let matrix A be of size n-by-m. Let matrix B be of size k-by-n.
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[DOC File]Matrices
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oratory – says it all: Matlab was designed from the get-go to work with matrices. It even treats individual numbers as a special type of matrix termed a scalar. Consequently, Matlab is demonstrably faster at working with matrix-based models than comparable technical …
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[DOC File]MATLAB
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Matlab has many built in matrix functions and operators. I have listed some here that you may find useful: >> size (A) gives the dimension of the matrix A >> inv ... >> ones (3,2) fills a matrix of any size with ones. >> rats (A) displays elements of the matrix A as fractions
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[DOC File]INTRODUCTION TO MATLAB, 2/99 by Leslie Foster
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A=ones(m,n) produces an m by n matrix of ones. A=eye(n) produces an n by n identity matrix. V = diag(A) selects the diagonal of A. A=diag(v) produces a matrix whose diagonal has components of the vector v. A=diag(v,n) produces a matrix that is zero except that one diagonal contains the elements of v.
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[DOC File]OCE- Matlab Tutorial, Session 1
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OCE- Matlab Tutorial, Session 1. ... Parenthesis can be used in matlab to select “sections” of a variable, that is the columns or vectors of a matrix by specifying the rows or columns. If we type B(1,2) that would give us the value of the element in the first row and second column.
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[DOC File]MATLAB Matrices
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NxN matrix containing all zeros. 3. rand(N) NxN matrix of random numbers. 4. randn(N) NxN matrix of random numbers (positive and negative) 5. ones(N) NxN matrix containig all ones. 6. size(n) will create a 1x2 matrix and tell the size of matrix “n” 7. diag(A) lists the elements in the diagonal of matrix “A” diag(A,k) lists the elements ...
ones in matlab

[DOC File]Matrices
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The identity matrix is, of course, always a square matrix, and its diagonal elements are all ones, while its off-diagonal elements are all zeros. A 4(4 identity matrix would thus look like this: The identity matrix is the functional equivalent of the number 1, because multiplying a matrix by its identity matrix yields the same matrix. I.e., .
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Matrix of ones matlab