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Article #74

Re: SOURCE: mat2str.m - convert matrix to string format

#74
From: ellert
Date: Tue, 26 Jan 1993 14:16
36 lines
1731 bytes
I wrote:
>
>In article <maurer.727751047@nova.Stanford.EDU>, Michael Maurer <maurer@nova.stanford.edu> writes:
>>
>>Hoping to start a trend, here is an unsolicited matlab m-file.
>>MAT2STR is like NUM2STR, but operates on matrix input.
>>Suggested improvements are welcome.
>
>Okay, here's an improvement, at least it should be since 1) it doesn't use
>for loops in matlab, and 2) has far fewer function calls.  But I didn't
>benchmark it.  Whenever I see those for loops I like to find ways to get
>rid of them with matrix operations.
>
>function T=mat2str(X,nc)
>%MAT2STR
>%     T=mat2str(X) converts matrix X into string format T, using sprintf
>%     to convert each element of X.
>%     T=mat2str(X,nc) uses nc characters for each column, instead of
>%     default 12.
>
>%     originally by Michael Maurer, 10 Jan 1992
>%     modified by Ed Ellert, 25 Jan, 1993
>
>if nargin<2,
>   nc=12;
>end
>
>[mx,nx]=size(X);
>T = reshape([setstr(X+'0'); ' '*ones((nc-1)*mx, nx)], mx, nx*nc);

Oops!  Walking to work this morning it occurred to me that this will only
work for single digits.  It was fun though :^)

Ed Ellert
ellert@nu1.uh.cwru.edu
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From: ellert@v32.uh.cwru.edu ()
Newsgroups: comp.soft-sys.matlab
Subject: Re: SOURCE: mat2str.m - convert matrix to string format
Date: 26 Jan 1993 14:16:19 GMT
Organization: Image Analysis Center, Univ. Hospitals of Cleveland
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