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xosro


Last seen: ungefär 2 år ago |  Active since 2015

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i am just a student

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How can i lock (set password) a part of a mfile as the mfile can run?
How can i lock (set password) a part of a mfile as the mfile can runs?

mer än 6 år ago | 1 answer | 0

1

answer

Question


how can i estimate parameters of two independent gamma distributed variables with one same parameter in matlab?
Suppose we have two independent random variables $X_1$ and $X_2$ where $X_1 \sim (\alpha_1, \beta)$ and $X_2 \sim (\alpha_2, \be...

mer än 6 år ago | 1 answer | 0

1

answer

Question


How can i solve a implicit ode boundary value problem in matlab?
I have the following equation, but i cannot employ ode45 or ode15i order to solve the equation. y-(x/2)*y' - a*y''/(2*(1-b*y'...

mer än 7 år ago | 0 answers | 0

0

answers

Question


how can i solve a non-linear ode by ode45 or similar orders in matlab?
I have the following equation, but i cannot employ ode45 order to solve the equation. y-(x/2)*y' - a*y''/2*(1-b*y'')^2=0 ...

mer än 7 år ago | 1 answer | 0

1

answer

Question


why i receive Nan for integral -inf to -inf ?
for example: if true integral(@(x)exp(-(x.^2)/2),-inf,-inf) end

mer än 7 år ago | 2 answers | 0

2

answers

Question


how define a conditional handle function?
As you know, for f=@(x) sin(x)/x; we get f(0)=NaN if we would like get f(0)=0 again with f=@(x) (x==0)*0+(...

mer än 7 år ago | 2 answers | 0

2

answers

Answered
how i can create a handle function(polynomial) or symbolic function (polynomial) with a uncertain vector?
oh i can do this if true f=char(DocPolynom([1 2])); f1='@(x)'; st=strcat(f1,f); fh = str2func(st); fh(1) an...

mer än 8 år ago | 0

| accepted

Question


how i can create a handle function(polynomial) or symbolic function (polynomial) with a uncertain vector?
for example i give a [1 2 3] or every other vector and i would my code convert that to f=(x)3*x^2+2*x+1;

mer än 8 år ago | 3 answers | 0

3

answers

Question


how can i multiply blocks of a block matrix by a non block-matrix, block to elements?
i want multiply blocks of a block matrix by a non block matrix as size of the block matrix is same under blocks, with size non b...

mer än 8 år ago | 1 answer | 0

1

answer

Question


how i can use a order that it's input is scalar but i want use from it for amounts of a vector
i want have a vector that members of it are amounts a numerical integral for a function at diffrent domains, that this domains a...

mer än 8 år ago | 1 answer | 0

1

answer

Question


how i create a free dimension variable like array or cell variable?
i want initialized a matrix or cell with a series of repeatedly inputs that number of every input is random, when i do not crea...

mer än 9 år ago | 0 answers | 0

0

answers

Question


how take output from name field of dir order to form string?
output of name field of dir order char form, i wish insert this output to form string in a cell variable like names.

mer än 9 år ago | 0 answers | 0

0

answers

Question


How can the output of a order character string stored in a variable?
i have a structure variable contain several field, i wish insert once of fields that dispaly of this field is Character to form ...

mer än 9 år ago | 1 answer | 0

1

answer

Question


how i have reaction against error received of matlab?
i have a for loop with a condition on receive or not receive a error of matlab program, how i can have this condition?

mer än 9 år ago | 1 answer | 0

1

answer

Question


how i can have gradient of a multivariate function like f(x,y) in a single function?
i define multivariate function f by syms order and wish have gradient f in especial point like x0 and i can not use from for lo...

mer än 9 år ago | 1 answer | 0

1

answer

Question


how i Initialized a function defined by syms order such i do not number variables this function?
i have code that inputs of it are a function defined by syms order and a point that changed every time dimension of this functi...

mer än 9 år ago | 1 answer | 0

1

answer

Question


how i recognize Type Definition a function like f ?
i have code that input of this code is defined function whit syms order, i want code recognizes type Definition f. in fact is f...

mer än 9 år ago | 1 answer | 0

1

answer

Question


how i can have dimension input of a defined function like f ?
i have a code that input of its a handle function like f, in duration of this code i need to number of input this function for ...

mer än 9 år ago | 2 answers | 0

2

answers

Question


how select a start point when i use from fit order?
i want fit a several data with a non linear function in matlab but i do not know which point of my data is start point.

mer än 9 år ago | 0 answers | 0

0

answers

Question


create special matrix without use from for loop
i wish create several matrix with out uses from for loop for example j=1; for i=2:2:(2*T) a=zeros(1,2*T...

mer än 9 år ago | 1 answer | 0

1

answer

Question


i have problem in uses of inline or syms ordes
i want have a variable like x that define on x ,f(x) function,then program does math operators on f(x) and compute the result o...

mer än 9 år ago | 1 answer | 0

1

answer

Question


i have problem in uses of inline or syms orders
i want have a variable like x that program does math operators on x and compute the result of this operators for specified x, ...

mer än 9 år ago | 0 answers | 0

0

answers

Question


how i subtract a vector( 1*n-dim ) from columns of a matrix (n*n-dim) without uses for , end and orders likes these?
i wish subtract a vector from columns of a matrix while my code is not great. example: a = 1 3 4 2 ...

mer än 9 år ago | 2 answers | 0

2

answers

Question


what is different between start date of bond and issue date of bond?
in financial toolbox we have a code for compute price of bonds, this code has optional inputs that issue date and start date a...

mer än 9 år ago | 1 answer | 0

1

answer

Question


how do i end or stop a runnig code?
for example suppose you run this code while 1>0 1 end

mer än 9 år ago | 1 answer | 0

1

answer

Question


how i can fix a code that i write its, in start up of matlab software?
i wish have code that it run automatically

mer än 9 år ago | 2 answers | 1

2

answers

Question


what is usage of due variable in amortize function?(amortize of a financial tool box)
i can't understand usage of due in amortize function

nästan 10 år ago | 1 answer | 0

1

answer