Matlab

convert C++ code to M-code
hi, i want to convert a C++/C code to Matlab code (M-file) and viceversa, what instructions do i need?? Do you know some simple example that illustrate this?? or some tutorial in the internet or something about this topic?? something specific and short if possible thanks for your help ... 7 May 2008 09:20

Simple number formatting question
When I execute the command below I get the 'long' format for the number .5 in the solution as seen. I am executing the solve through the command window and even though I've set the preferences to 'short', I still get this format. I can't figure out why. Its just annoying but I'd really like to know how to ... 6 May 2008 21:27

Mex file crashes on second run
"Sean Torrez" <eltorrisimo(a)gmail.com> wrote in message <fvpv2k$mib$1(a)fred.mathworks.com>... "Bruno Luong" <b.luong(a)fogale.fr> wrote in message <fvnodr$hmr$1(a)fred.mathworks.com>... Sorry, but when did you initialize n_species before using it? Bruno It's initialized about halfway dow... 6 May 2008 22:22

plotmatrix formating
On May 4, 1:15 am, "matt dash" <n...(a)mail.com> wrote: It's tricky because the position of each ylabel is defined in the scale of its respective axes, so you'd have to check all their positions, normalize them, find the on that's furthest left, convert that value to the scale of each axis, and set the pos... 6 May 2008 21:27

a question about angle in solve
In article <fvp55r$hjn$1(a)fred.mathworks.com>, Harley Wei <weehua(a)126.com> wrote: I want to solve some questions in Matlab7.0 like solve('angle(1-1/(i*x+0.5))=pi/2','x') but ???Error using ==>solve 'angle(1-1/(i*x+0.5))=pi/2' is not a valid expression or equation. why angle() can not work in solve(... 6 May 2008 22:22

position of the max value in a vector
"lars Man" <larsman(a)gmx.net> wrote in message <fvk7td$ofp$1(a)fred.mathworks.com>... Hi all, my problem is. I got a coulmn vector out of a calculation with about 10000 rows. Now i want to know WHERE the maximum value is. For example: v= [1; 2; 3; 4; 3; 8; 3]; max(v) 8 but how... 6 May 2008 22:22

image analysis question
ms <silvertonm(a)gmail.com> wrote in message <8e83d286-2e57- 4c69-b3f9-887db2b85b59(a)r9g2000prd.googlegroups.com>... On May 3, 7:35=A0pm, ImageAnalyst <imageanal...(a)mailinator.com> wrote: On May 3, 9:59=A0pm, ms <silvert...(a)gmail.com> wrote: On May 2, 2:17=A0pm, ImageAnalyst <i... 7 May 2008 10:58

unix('command')
I would like to store the number of files in the current dir in a variable. In a unix shell this can be done with: ls -l | awk '!/^d/{print }' | wc -l or ls -1 | wc -l But matlab will only accept the second command. If I try the first I get: a = unix(ls -l | awk '!/^d/{print }' | wc -l) ??? Erro... 6 May 2008 22:22

A complex mesh grid boundary for plotting
Hello, Does anyone know what the problem might be in a code I've written to describe an irregular-shaped mesh grid boundary. I have a region of points to plot against a function z. The "shadow" cast by this region on the x-y plane of my surface plot, is a region bound above by the bottom right quadrant of a ... 7 May 2008 15:53

?User Friendliness of free mathware?
Hello - - - I need to find and download one of the free numerical-analysis- software, to solve blocks of non-linear algebraic equations. None of the sites I've researched gives any idea of how difficult or easy any of these systems are to actually use. I'm hoping that some of you have experience with one or mor... 25 Apr 2008 02:58