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Round to Electronic Component Values

This function rounds the elements of a numeric scalar/vector/matrix to the standard electronic component values defined in IEC 60063, suitable for resistors, capacitors, inductors, etc. The most appropriate rounded values are chosen internally using an optimal component tolerance to define the rounding bin edges. The function returns the rounded values, the E-series values, the corresponding bin edges and indices. Supports E-series E3/E6/E12/E24/E48/E96/E192, eg E6 = [..10,15,22,33,47,68,100,150,220..].

### Bonus Function ###

As an example of using "round60063", you will also find the bonus function "equivcircuit" in the download. It uses an exhaustive search to find the component values whose parallel/series equivalent circuit value is closest to the input value. The circuit can be either a parallel or series circuit (of resistors, capacitors or inductors).

### Examples ###

round60063(514, 'E24')
 ans = 510

round60063([514, 1.9; 7.6, 37], 'E12')
 ans = [560, 1.8; 8.2, 39]

round60063([514, 1.9; 7.6, 37], 'E6')
 ans = [470, 2.2; 6.8, 33]

[Y,pns,edg,idx] = round60063([514, 1.9; 7.6, 37], 'E3')
 Y = [470, 2.2; 10, 47]
 pns = [2.2; 4.7; 10; 22; 47; 100; 220; 470]
 edg = [1.375; 2.997; 6.395; 13.75; 29.97; 63.95; 137.5; 299.7; 639.5]
 idx = [8, 1; 3, 5]

[Y,pns,edg,idx] = round60063([-Inf,Inf,NaN; -1, 0, 1], 'E3')
 Y = [NaN, NaN, NaN; NaN, NaN, 1]
 pns = 1
 edg = [0.63946; 1.375]
 idx = [NaN, NaN, NaN; NaN, NaN, 1]

Chaincode for a single object image

It computes the chaincode for a single object on one bw image.
It also builds up a frequency table for the orietations

Re: Use of LEGEND.M with cell array
That is NOT the solution. This problem requires cellarray to be assigned as string array so that legend can use it. If you use legstr{:} in legend, it will call this legend function several times with only 1 element, which means assigning one legend each time to the plot. Only the last element will be seen in the plot.

francis.favorini@NOSPAMduke.edu (Francis Favorini) wrote in message <6u8s9k$an3$2@news.duke.edu>...
> In article <3607e4f8.588356411@svlnews.lmms.lmco.com>,
> matthew.a.taylor@lmco.com says...
> >I would like to be able to generate a legend with a cell array. [...]
> >Instead, I have to do this:
> >legend(cellarray{1}, cellarray{2}, cellarray{3});
>
> You can use:
> legend(legstr{:})
> which expands the elements of legstr to a comma-separated list that works
> nicely as function arguments. You will have to make sure that legstr isn't
> empty, though.
>
> In general, though, I wish more MATLAB functions took cell arrays as args.
> They are very convenient!
>
> -Francis
>
> [Posted and mailed.]
>
Odd Ince Gaussian Holograms

This code was created in 2004 by Dr James Strohaber and is based upon his work in holography. The work also appears in his dissertation If you use this code, cite the author! This code produces computer generated holograms of Odd Ince Gaussian modes of the paraxial wave equation. The holograms can be used on spatial light modulators (SLMs). This code requires the subroutines: cart2ellip.m, See.m. Seu.m, Oeig.m Instructions: (1) goto "LCD Specifications" and enter the number of pixels and LCDsize of your SLM. This code assumes the pixel density in both the x and y direction are the same. (2) goto "Input Parameters" and enter the location you wish to same the holograms. (3) Enter the mode numbers, grating constant, modulation depth and waist of the IG beam you wish to create. To use this code as a function, comment all of the Input parameters and uncomment the function command.

Even Ince Gaussian Holograms

This code was created in 2004 by Dr James Strohaber and is based upon his work in holography. The work also appears in his dissertation If you use this code, cite the author! This code produces computer generated holograms of Even Ince Gaussian modes of the paraxial wave equation. The holograms can be used on spatial light modulators (SLMs). This code requires the subroutines: cart2ellip.m, Cee.m. Ceu.m, Eeig.m Instructions: (1) goto "LCD Specifications" and enter the number of pixels and LCDsize of your SLM. This code assumes the pixel density in both the x and y direction are the same. (2) goto "Input Parameters" and enter the location you wish to same the holograms. (3) Enter the mode numbers, grating constant, modulation depth and waist of the IG beam you wish to create. To use this code as a function, comment all of the Input parameters and uncomment the function command.

Fruit Fly Optimization Algorithm_Second Edition

Dear Researcher,
I want share a new book "Fruit Fly Optimization Algorithm".
(This is a google translated version!)
More information about this book, you can contact author Dr. Pan!

More information about Fruit Fly Optimization Algorithm, you can connect to website below:
http://www.flyfoa.com

Best regards,

Prof. Wu.

DBN Tool

Solves all problems associated with DBN

Flashcode

The main code, flashcode.m, calculates the vapor liquid equilibrium problem using successive substitution method. Other files, demonstrate different calculations using this code.

Re: Piecewise Straight line segment fitting through the curve
Aiswarya <aiswaryamenoncet@gmail.com> wrote in message <VqSdnXMP0dP0BwvJnZ2dnUU7-cudnZ2d@giganews.com>...
> Hi ,
> I have 500+ x and y value data set . I want to piecewise fit the curve which passes through these points using 7 straight line segments and then to obtain the intersection points of these straight line segments. There is a constrain that the third line segment should have a slope of -45 degrees and the fifth line segment should have + 45 degrees slope. And this piecewise fitted curve through line segments should best resemble the actual curve through the available data points.

http://www.mathworks.com/matlabcentral/fileexchange/25872-free-knot-spline-approximation

If you chose k=2, you'll get line segments. Derivative (slope) can be enforced as well.

Bruno
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