已回答
How does this Nelson-Siegel functionwork?
The Nelson-Siegel function is non-linear. However, if you know the value of tau, then it is possible to estimate the betas with ...

10 years 前 | 0

已回答
Linear Model final formula
In your example above x1 was a column vector. All you have to do is call the function with a matrix x that contains all the x va...

10 years 前 | 0

已回答
Odd behavior combining sprintf and fprintf?
Try fprintf(sprintf('%%%%\n')) In order to print a % with the fprintf command, you have give the function two %-characte...

10 years 前 | 0

| 已接受

已回答
Statistics toolbox predict new data non linear regression
They estimate a non-linear model that has three independent variables (input variables) and five coefficients. Then they predict...

10 years 前 | 0

| 已接受

已回答
Equation for non linear model
I have no idea why Matlab chose to use that equation. They don't explain. In some cases theory suggests the relationship between...

10 years 前 | 0

| 已接受

已回答
syntax regression model variables
The variable modelfun is a function handle and it defines the nonlinear model. Perhaps you should read the Matlab documentation ...

10 years 前 | 0

| 已接受

已回答
How to code MIDAS?
It seems that Matlab cannot not find your function. Type path in the command window and check if the folder that contai...

10 years 前 | 0

已回答
Why am i getting this errors below? What does it mean?
The error means that bbox is empty. That is why you cannot acces bbox(3).

10 years 前 | 0

已回答
how to get bloomberg option and zero coupon rate data?
Of course you don't get a price for an option. The field OPT_CHAIN does not request a price. It gives you a list with tickers of...

10 years 前 | 0

已回答
matrix problem in vocoder
The first line says it all. You try to access the 14th column of a matrix that has only 13 columns. If the reason is a mistake i...

10 years 前 | 0

已回答
Generate random variables with specified 2nd moment ?
The second moment is the same as the variance of the random numbers! >> x = randn(1,1000); >> var(x) ans = ...

10 years 前 | 0

已回答
Problem with LinearModel varNames
The error message tells me that you have defined the names of the variables incorrectly. I assume that your code looks something...

10 years 前 | 0

已回答
How to fit data to a second degree polynomial equation with 9 co-efficients
There is no unique solution for your equation. So you cannot estimate the coefficients. What you can do is estimating the fol...

10 years 前 | 0

| 已接受

已回答
Econometrics Toolbox output handling
[EstMdl1,EstParamCov2,logL(2)] = estimate(Mdl2,utl, 'Display', 'off');

10 years 前 | 0

已回答
Econometrics Toolbox: estimate the probability of different time series predicitions
If you know the distribution of the returns you could calculate the probability. However, the probability of a path with 30 step...

10 years 前 | 0

已回答
how to declare vector of size 64
You cannot just declare a vector of a certain size without giving the elements a certain value. A = zeros(64,1); B = one...

10 years 前 | 0

已回答
Overlap between N circles
Construct a grid. Calculate for each point the distances to the circle centers. All points whose distances to the circle centers...

10 years 前 | 0

| 已接受

已回答
Why do I get the error “Dimensions of arrays being concatenated are not consistent.”?
This error is encountered when you try to vertically concatenate arrays that do not have compatible sizes. For example, to verti...

10 years 前 | 1

| 已接受

已回答
I face the error of "Index exceeds matrix dimensions". but i want to show all the elements of z(n) and want to sum them and mean them. my program is given below, plz help me out?
In the second iteration the if-condition p{i} == [4;5] becomes true and terminates the loop. p{3} stays empty. In the second for...

10 years 前 | 0

已回答
complicated for loop with 2 requirements or constraints
Then do the following: if m > 4 UT{m} = id(m-4:m-1,:) end

10 years 前 | 1

| 已接受

已回答
How to solve the following system of equations?
Two of the three equations are non-linear. You cannot solve these with some simple matrix operations. Take a pencil and a paper ...

10 years 前 | 0

已回答
How to enter an equation with a summation?
V(i,j) = sum(log(D(i,:)./D(j,:))) / (2*pi*e)

10 years 前 | 0

已回答
Can some one help me in plotting the earthquake no of events per year, that is my y-axis will be no of events and x axis will be year.
Use the plot function.

10 years 前 | 0

已回答
save values of variable
The variable *fittedmodel1* is a class. You cannot double-click on class variables and see what is inside. You have to use the w...

10 years 前 | 0

| 已接受

已回答
complicated for loop with 2 requirements or constraints
In the second loop you first (when i = 0) save a matrix in result{m} and then you override it when (i = 1). So the inner loop ha...

10 years 前 | 0

已回答
can I avoid for loop?
No, it is not possible to avoid the two loops.

10 years 前 | 0

已回答
Legend in for loop of unknown number
First: your code is unreadable if you do not format it as code! Second: As some variables are missing I cannot run the code, ...

10 years 前 | 0

已回答
How to get the output to a variable
constant = fit1.Constant; arch1 = fit1.ARCH{1}; garch1 = fit1.GARCH{1};

10 years 前 | 1

已回答
text to column conversion
n = length(tags); tags_new = cell(n,2); for k = 1 : n tags_new(k,:) = strsplit(tags{k},' '); end

10 years 前 | 0

| 已接受

已回答
how to use White heteroskedasticity-consistent standard error estimators in OLS regression?
Yes, there is! The Matlab function is called *hac* .

10 years 前 | 0

加载更多