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**Feeds**

Question

comparing rows in matrices

function lottonumbers = draw_lottonumbers(draws, balls,rows) % A function that draws 'draws' random integers without re...

12 years ago | 1 answer | 0

### 1

answerQuestion

load

in matlab I can save and load for example like this >> mymat=rand(2,3) mymat = 0.2785 0.9575 0.1576 0.54...

12 years ago | 2 answers | 0

### 2

answersQuestion

use of matlab in physics

You have a force from many forces that is F=F+Fc-Fv-D where F=400 N Fc=488*exp(-(t/0.67)^2) N Fv=25.8v D=...

12 years ago | 1 answer | 0

### 1

answerQuestion

fwrite

I tried to use fwrite which is described as saving in binary form but it saved it in numbers. At least my attempt did: Created ...

12 years ago | 1 answer | 0

### 1

answerQuestion

charcters saved as ASCII in matrix

I have a function that works fine function threeinarow=isWinner(A,s) count=0; threeinarow='false'; for i=1...

13 years ago | 1 answer | 0

### 1

answerQuestion

output of function as a string

function answer=harflertall(a) if a==50 answer=disp('it''s a tie') elseif a<50 answer=disp('less than 50') ...

13 years ago | 1 answer | 1

### 1

answerQuestion

disp

if b>a & b>c disp(b) elseif c>a & c>b disp(c) else disp(a) disp(a) end I have defined: >> a a = ...

13 years ago | 1 answer | 0

### 1

answerQuestion

fscanf

When i try to read a file, this one: 3.0000000e+000 4.0000000e+000 5.0000000e+000 4.0000000e+000 5.0000000e+000 6.0000000e+...

13 years ago | 1 answer | 0

### 1

answerQuestion

differnce between fgetl and fgets

definition for fgets tline = fgets(fileID) reads the next line of the specified file, including the newline characters. de...

13 years ago | 1 answer | 0

### 1

answerQuestion

problem with eval notation

I have a question about eval in this script function sort=sortstructure(strucvector, field) if isfield(strucvector,field) f...

13 years ago | 3 answers | 0

### 3

answersQuestion

appending characters to matrix

I tried to append characters to a matrix: >> matrix=[1:3;6:8] matrix = 1 2 3 6 7 8 >> fid...

13 years ago | 1 answer | 0

### 1

answerQuestion

appending to a file

I first created a file: >> fid=fopen('mongiss.lib', 'w') fid = 9 >> matrix=[1:3; 4:6] matrix = 1 ...

13 years ago | 1 answer | 0

### 1

answerQuestion

create a new file

>> fid=fopen('firstone.txt''w') fid = -1 >> fid=fopen('firstone.txt','w') fid = 3 >> for i=1:3 fprintf(fid,'...

13 years ago | 2 answers | 0

### 2

answersQuestion

creating cell array

I would like to create a cell array with 1 row and two columns and in each column it is a columnvector of 5 elements in the firs...

13 years ago | 2 answers | 0

### 2

answersQuestion

problem with code

I am trying a script that does not work. First I define a structure in matlab: >> package=struct('item_no',123,'cost',19.99,'pr...

13 years ago | 2 answers | 0

### 2

answersQuestion

use of eval

I am trying to use evalfunction but are having a hard time: >> plots=[3 4 6 1] plots = 3 4 6 1 >> w...

13 years ago | 3 answers | 0

### 3

answersQuestion

subfunction in script

can one not use subfunction in script? Here is my attempt: phrasemat=char('Hello','how are you', 'How is it going?', 'what is...

13 years ago | 1 answer | 0

### 1

answerQuestion

editor in matlab

in my book they say: start qoute: >>mystr='how are you; ???mystr='how are you; Error: A MATLAB string constant is not ...

13 years ago | 1 answer | 0

### 1

answerQuestion

what is wrong with fprintf

why does not this function give the full text in fprintf: function printem(a,b) fprintf('the first number is %.lf and the ...

13 years ago | 3 answers | 0

### 3

answersQuestion

using logical to make a logical matrix

I wanted to make a logical matrix which consists of some true and some false. This is my attempt to create a 2 rows 3 columns ma...

13 years ago | 1 answer | 1

### 1

answerQuestion

how ro rename matrix

I have made a matrix matrix1=[1:4;3:6] matrix1 = 1 2 3 4 3 4 5 6 how can I rena...

13 years ago | 2 answers | 0

### 2

answersQuestion

how to display newline

Can you use newline seperately or do you always have to use it in fprintf in order to make it work. Theese are my attempts with ...

13 years ago | 4 answers | 0

### 4

answersQuestion

isletter true false

How does isletter work here. Is it the value 1 that makes it executable and the value 0 that makes it not excecute and go to els...

13 years ago | 3 answers | 0

### 3

answersQuestion

why two = for elseif

Why do one need two = for elseif here: http://bildr.no/view/1001050 I tried with only one and it does not work Why does o...

13 years ago | 1 answer | 0

### 1

answerQuestion

or-function with switch

Can you not use or in one of the cases for switch. I tried here but it did not call it at all: http://bildr.no/view/1000983 I ...

13 years ago | 2 answers | 1

### 2

answersswitch function that does not work

I had an autofile version of the m-file when I deleteed it it wroked. http://mathforum.org/kb/message.jspa?messageID=3692628&...

13 years ago | 0

Question

switch function that does not work

What is wrong here: http://bildr.no/view/1000983 This is my text: function grade=switchletgrade1(quiz) if quiz<0 |...

13 years ago | 2 answers | 0

### 2

answersQuestion

function that does not work

Why does not this function work: <http://bildr.no/view/1000957> this is what i wrote: function grade=onlyundefined(quiz) ...

13 years ago | 1 answer | 0

### 1

answerQuestion

why does it not work on my matlab this example from the book

Here are an example with matlab elseif and my attempt to rewrite it without success: <http://bildr.no/view/1000883> <http://bi...

13 years ago | 1 answer | 0

### 1

answerQuestion

unary operator

why is 3>5 unary when exposed to ~ (sign for not) you have two numbers 3>5 and binary is defined as: An operation, such as ad...

13 years ago | 1 answer | 0