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Question
comparing rows in matrices
function lottonumbers = draw_lottonumbers(draws, balls,rows) % A function that draws 'draws' random integers without re...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
environ 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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=...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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') ...
plus de 12 ans il y a | 1 réponse | 1
1
réponseQuestion
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 = ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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+...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
differnce between fgetl and fgets
definition for fgets tline = fgets(fileID) reads the next line of the specified file, including the newline characters. de...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
problem with eval notation
I have a question about eval in this script function sort=sortstructure(strucvector, field) if isfield(strucvector,field) f...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
appending to a file
I first created a file: >> fid=fopen('mongiss.lib', 'w') fid = 9 >> matrix=[1:3; 4:6] matrix = 1 ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
create a new file
>> fid=fopen('firstone.txt''w') fid = -1 >> fid=fopen('firstone.txt','w') fid = 3 >> for i=1:3 fprintf(fid,'...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
presque 13 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
presque 13 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
presque 13 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
presque 13 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
presque 13 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
presque 13 ans il y a | 1 réponse | 1
1
réponseQuestion
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...
presque 13 ans il y a | 2 réponses | 0
2
réponsesQuestion
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 ...
presque 13 ans il y a | 4 réponses | 0
4
réponsesQuestion
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...
presque 13 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
presque 13 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
presque 13 ans il y a | 2 réponses | 1
2
réponsesswitch 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&...
presque 13 ans il y a | 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 |...
presque 13 ans il y a | 2 réponses | 0
2
réponsesQuestion
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) ...
presque 13 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 13 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 13 ans il y a | 1 réponse | 0