matlab primer 7th edition phần 6 potx

... factor(sym('4248')) factor(sym('454931934 869 3')) factor(sym('4549319348597')) 16. 6 Two-dimensional graphs The MATLAB function fplot (see Section 12.3) provides a ... backslash (Section 16. 9), nonlinear systems of equations using the solve function (Section 16. 11), and systems of differential equations using dsolve (Section 16. 12). The rest of...

Ngày tải lên: 12/08/2014, 21:21

... loop (see Section 6. 1) requires one- dimensional array indexing. Try: N ILQG$! $N $N $N The loop-based analog of this computation is shown in Section 6. 1. © 2002 by ... http://www.cise.ufl.edu/research/sparse /MATLAB for the M-files and MEX-files used in this book. © 2002 by CRC Press LLC L  ZKLOHL! L L HQG then type Ctrl-C to termina...

Ngày tải lên: 12/08/2014, 21:20

... for the MATLAB user. Key features of the Symbolic Math Toolbox are included in the Student Version of MATLAB. Since the Symbolic Math Toolbox is not part of the Professional Version of MATLAB, ... convert these into MATLAB floating-point numbers, if desired. For example, the result returned by the first integral above is . Entering GRXEOHDQV then returns the MATLAB numeri...

Ngày tải lên: 12/08/2014, 21:20

... Forms the initial guess for BVP4C Evaluates by interpolation the solution computed by PDEPE MATLAB v5 ODE file syntax (obsolete) Evaluate solution (obsolete; use ) © 2002 by CRC Press LLC ... color map Color map with the line colors Enhanced color-cube color map Windows colormap for 16 colors Variant of HSV Prism color map Shades of cyan and magenta color map Shades of red an...

Ngày tải lên: 12/08/2014, 21:20

... routines 60 9 .6 Larger examples on the web 60 10. Calling Fortran from MATLAB 61 10.1 Solving a transposed system 61 10.2 A Fortran mexFunction with %val 62 10.3 If you cannot use %val 64 11. ... viii 6. 2 The while loop 31 6. 3 The if statement 32 6. 4 The switch statement 33 6. 5 The try/catch statement 33 6. 6 Matrix expressions (if and while) 33 6. 7 Infinite loops...

Ngày tải lên: 12/08/2014, 21:20

... matrix. To try this out, first type the two commands: A = rand (6, 6) B = rand (6, 4) which generate a random 6- by -6 matrix A and a random 6- by-4 matrix B. A(1:4,3) is the column vector consisting ... arrays. 3 .6 Complex numbers MATLAB allows complex numbers in most of its operations and functions. Three convenient ways to enter complex matrices are: B = [1 2 ; 3 4] + i*[...

Ngày tải lên: 12/08/2014, 21:20

... 54 MATLAB. In this chapter, we will just look at how to call a C routine from MATLAB. For more information, see Help: MATLAB: External Interfaces, or see the online MATLAB documents ... Without this, MATLAB must resize E one column larger in each iteration, slowing execution. M = magic (6) ; E = zeros (6, 50) ; for j = 1:50 E(:,j) = eig(M^j) ; end 9. Calling C from MATL...

Ngày tải lên: 12/08/2014, 21:20

... way, you can write a routine that can be used from MATLAB or from a stand-alone C application, without MATLAB. 9.2 C versus MATLAB arrays MATLAB stores its arrays in column major order, while ... diagdom is about 3 times faster than the M-file ddom for large matrices. 56 version ddomloops.m in Section 8 .6. MATLAB mx and mex routines are described in Section 9.4. #include...

Ngày tải lên: 12/08/2014, 21:21

... symbolically gives the result to 25 significant digits: .8 862 269 2545275801 364 90835 You may wish to contrast these techniques with the MATLAB numerical integration functions quad and quadl (see ... with format long, pi*log(2) gives the numeric result 2.1775 860 9030 360 . MATLAB s numeric computations are done in approximately 16 decimal digit floating-point arithmetic. With...

Ngày tải lên: 12/08/2014, 21:21

... solvers 160 sparfun Sparse matrices 162 scribe Annotation and plot editing 164 graph2d Two-dimensional graphs 164 graph3d Three-dimensional graphs 165 specgraph Specialized graphs 168 graphics ... example, help general lists the Contents.m file of the directory MATLAB/ toolbox /matlab/ general (where MATLAB is the directory in which MATLAB is installed). Create a directory...

Ngày tải lên: 12/08/2014, 21:21