Tor Fredrik Hove

Active since 2011

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

mer än 13 år ago | 1 answer | 0

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Question

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...

mer än 13 år ago | 2 answers | 0

2

answers

Question

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=...

mer än 13 år ago | 1 answer | 0

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Question

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 ...

nästan 14 år ago | 1 answer | 0

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Question

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...

nästan 14 år ago | 1 answer | 0

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Question

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') ...

ungefär 14 år ago | 1 answer | 1

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Question

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 = ...

ungefär 14 år ago | 1 answer | 0

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Question

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+...

ungefär 14 år ago | 1 answer | 0

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Question

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

ungefär 14 år ago | 1 answer | 0

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Question

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

ungefär 14 år ago | 3 answers | 0

3

answers

Question

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...

ungefär 14 år ago | 1 answer | 0

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Question

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

ungefär 14 år ago | 1 answer | 0

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Question

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

ungefär 14 år ago | 2 answers | 0

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answers

Question

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...

ungefär 14 år ago | 2 answers | 0

2

answers

Question

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...

ungefär 14 år ago | 2 answers | 0

2

answers

Question

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...

ungefär 14 år ago | 3 answers | 0

3

answers

Question

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...

ungefär 14 år ago | 1 answer | 0

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Question

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 ...

ungefär 14 år ago | 1 answer | 0

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Question

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 ...

ungefär 14 år ago | 3 answers | 0

3

answers

Question

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...

ungefär 14 år ago | 1 answer | 1

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Question

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...

ungefär 14 år ago | 2 answers | 0

2

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Question

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 ...

ungefär 14 år ago | 5 answers | 0

5

answers

Question

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...

ungefär 14 år ago | 3 answers | 0

3

answers

Question

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...

ungefär 14 år ago | 1 answer | 0

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Question

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 ...

ungefär 14 år ago | 2 answers | 1

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answers

Answered
switch 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&...

ungefär 14 år 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 |...

ungefär 14 år ago | 2 answers | 0

2

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Question

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) ...

ungefär 14 år ago | 1 answer | 0

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Question

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...

ungefär 14 år ago | 1 answer | 0

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Question

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...

ungefär 14 år ago | 1 answer | 0

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