Community Profile # Tor Fredrik Hove

Active since 2011

real sciences studies

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

más de 10 años ago | 1 answer | 0

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Question

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

más de 10 años ago | 2 answers | 0

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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=...

más de 10 años 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 ...

casi 11 años 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...

casi 11 años 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') ...

casi 11 años 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 = ...

casi 11 años 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+...

casi 11 años 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...

casi 11 años 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...

casi 11 años ago | 3 answers | 0

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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...

casi 11 años 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 ...

casi 11 años 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,'...

casi 11 años ago | 2 answers | 0

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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...

casi 11 años ago | 2 answers | 0

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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...

casi 11 años ago | 2 answers | 0

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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...

casi 11 años ago | 3 answers | 0

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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...

casi 11 años 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 ...

casi 11 años 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 ...

casi 11 años ago | 3 answers | 0

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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...

casi 11 años ago | 1 answer | 0

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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...

casi 11 años ago | 2 answers | 0

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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 ...

casi 11 años ago | 4 answers | 0

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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...

casi 11 años ago | 3 answers | 0

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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...

casi 11 años 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 ...

casi 11 años ago | 2 answers | 1

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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&...

casi 11 años 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 |...

casi 11 años ago | 2 answers | 0

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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) ...

casi 11 años 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...

casi 11 años ago | 1 answer | 0