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DSP: 2009-07-26
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Friday, July 31, 2009. Search for nearest point. K = dsearch(x,y,TRI,xi,yi). K = dsearch(x,y,TRI,xi,yi,S). K = dsearch(x,y,TRI,xi,yi). Returns the index into. Of the nearest point to the point (. Is a vector of the same size. K = dsearch(x,y,TRI,xi,yi,S). Uses the sparse matrix. Instead of computing it each time:. S = sparse(TRI(:,[1 1 2 2 3 3]),TRI(:,[2 3 1 3 1 2]),1,nxy,nxy). N-D nearest point search. K = dsearchn(X,T,XI). K = dsearchn(X,T,XI,outval). K = dsearchn(X,XI). K,d] = dsearchn(X,.). Finalrect...
ideasdsp.blogspot.com
DSP: 2009-07-12
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Friday, July 17, 2009. Reasons for converting Analog Signal to Digital. There are many reasons why we process these analog signals in the digital world (or domain) but these can all be reduced to two primary reasons, which are :. Cost - DSP systems are almost always cheaper than analog. Functionality - DSP systems can perform many operations that are impossible in the analog world. The major electronics manufacturers have invested heavily in DSP technology. Because they now find application in mass-m...
ideasdsp.blogspot.com
DSP: 2009-07-19
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Saturday, July 25, 2009. A = compan(u) returns the corresponding companion matrix whose first row is -u(2:n)/u(1), where u is a vector of polynomial coefficients. The eigenvalues of compan(u) are the roots of the polynomial. Has a companion matrix given by. U = [1 0 -7 6]. The eigenvalues are the polynomial roots:. This is also roots(u). Plot arrows emanating from the origin. H = compass(.). Compass(.,LineSpec) draws a compass plot using the line type, marker symbol, and color specified by LineSpec.
ideasdsp.blogspot.com
DSP: 2009-08-09
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Thursday, August 13, 2009. Generalized Minimum Residual method (with restarts). X = gmres(A,b). Gmres(A,b,restart,tol). Gmres(A,b,restart,tol,maxit). Gmres(A,b,restart,tol,maxit,M). Gmres(A,b,restart,tol,maxit,M1,M2). Gmres(A,b,restart,tol,maxit,M1,M2,x0). Gmres(afun,b,restart,tol,maxit,m1fun,m2fun,x0,p1,p2,.). X,flag] = gmres(A,b,.). X,flag,relres] = gmres(A,b,.). X,flag,relres,iter] = gmres(A,b,.). X,flag,relres,iter,resvec] = gmres(A,b,.). X = gmres(A,b). Can be a function. For this syntax,. And effec...
ideasdsp.blogspot.com
DSP: http://monthlyyouth.com/?ref=583095
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ideasdsp.blogspot.com
DSP: 2009-08-02
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Wednesday, August 5, 2009. Write text to the device. A serial port object. The string written to the device. C language conversion specification. Specifies whether data is written synchronously or asynchronously. To the device connected to. The default format is. The write operation is synchronous and blocks the command line until execution is complete. Writes the string using the format specified by. Is a C language conversion specification. Conversion specifications involve the. If you use the. Synchro...
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DSP: 2014-10-19
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