回答済み
Distance between elements of two matrices
I think this is what you're after. It's a bit brute-force, but I can't think of a neater, vectorized way. % Make some ma...

15年弱前 | 0

| 採用済み

回答済み
how can i plot all for loop's values
Why are you using a |for|-loop at all? These are all vectorized operations. th=-25:.1:50; fai=atand(((750+450.*sind(th)))...

15年弱前 | 0

回答済み
Y-axis lim with Bar/Line overlay
figure; h_bar = bar(_data(:,1),Y); set(gca, 'XTick',_data(:,1)); set(gca, 'XTickLabel', _data(:,1)); h1 = gca; ...

15年弱前 | 0

回答済み
match a number (date) in a matrix - Matlab
I don't think there's a completely vectorized solution, but this is close: d = datenum(bsxfun(@minus,datevec(lastDay(:,2)),[0...

15年弱前 | 0

回答済み
Listing files in an arbitrarily named and deep tree
Looks like you're on a Windows system, so try: [~,flist] = system('dir *.avi /B/S') You may want to |cellstr| the result. *...

15年弱前 | 0

回答済み
Numerical Integration with functions as borders
You could do this as an iterated integral using |quad| (twice). Hooray for Fubini's Theorem! Here's the volume of a hemisphere...

15年弱前 | 0

回答済み
RK4 in MatLab Help!
Ahhh the classic problem. A few things I notice: # Your |vexact| is, I assume, supposed to evaluate the exact solution. In ...

15年弱前 | 0

回答済み
Fitting two sets of data to one function simultaneously
I think a simple |fminsearch| might be easier in this case. You'll have to figure out how you want to define your total error t...

15年弱前 | 0

| 採用済み

回答済み
writing mfile using a mfile
You can programmatically interact with the MATLAB Editor using the API introduced in R2011a: http://blogs.mathworks.com/deskt...

15年弱前 | 0

回答済み
Select matrix rows based on criteria
I can't quite work out the code (maybe the formatting is confusing me), but it sounds like what you're trying to do is this: ...

15年弱前 | 0

| 採用済み

回答済み
finding the distance between elements of a vector
OK, from what I can tell from your further input, I think this function does what you want. function d = xyspace(A,x,y) ...

15年弱前 | 0

| 採用済み

回答済み
Exponential Curve fitting
Looks a whole lot like a typical local-vs-global minimum issue. The minimum that |fminsearch| finds depends heavily on the init...

15年弱前 | 0

| 採用済み

15年弱前 | 0

回答済み
How to select 2nd largest number (or largest if no 2nd largest)
Is it possible to have repeated values? If so, what do you define as the "second largest" value? Eg |secondmax([1 2 3 3]) = 2|...

15年弱前 | 0

| 採用済み

回答済み
MATLAB GUI Popup Menu
Here's an example that I think is similar to what you're trying to do. It sounds like you're using GUIDE, in which case use the...

15年弱前 | 1

| 採用済み

回答済み
finding the distance between elements of a vector
Do you know that you'll always have pairs? That is, could you ever have a vector |[0 2 0 -3 0 5 0 -2 0 0 3 0 0 0 0 2 0 -5]| or ...

15年弱前 | 0

回答済み
Anonymous Function Differentiation Problem?
If you know the independent variable is called 'x': fprime = str2func(['@(x) ',char(diff(sym(regexprep(char(f),'^@\(x\)',''...

15年弱前 | 1

回答済み
Graphing a linear regression line from given points, very simple example, having trouble with matrices dimensions?
% Enter t=dataC and y=dataABS as columnwise vectors And then you enter them as rows :) Stick a transpose ( |'| ) on those th...

15年弱前 | 0

| 採用済み

回答済み
Solutions using ODE with different initial conditions
As well as Walter's solution, you can also simply specify fixed timesteps for |ode45| to use: tvals = % make a vector of ti...

15年弱前 | 1

15年弱前 | 0

| 採用済み

回答済み
very basic matlab question about .dat file
The statement of the problem seems ill-formed to me. How are these variables being "measured"? I could see reading in *from* a f...

15年弱前 | 0

| 採用済み

回答済み
how to halt the program?
ctrl-C?

15年弱前 | 0

| 採用済み

回答済み
Store as array not variable
The classic trap! c1 = b^2*(((exp(a*2*pi)-cosh(a*b*T0))/sinh(a*b*T0))^2-1); The divide there will be interpreted as a ma...

約15年前 | 0

| 採用済み

回答済み
simple quastion about randn and mean of random noise
|n = randn(1000,1)| creates a *vector* (1000-by-1), so |sum(n)| is the sum of the thousand random numbers. Taking the mean is t...

約15年前 | 0

回答済み
Minimization of function. Plz Help.
R = [1 2 3;4 5 6;7 8 9]; [row,cols] = size(R); f = ones(1,cols); fobj = @(x) growth(R,x); opts = optimset('A...

約15年前 | 0

回答済み
fminsearch with output constraint
But by definition |fminsearch| is an unconstrained method, so you can't provide a constraint. If there's some reason you can't ...

約15年前 | 0

回答済み
Stock time interval conversion
Do you want to index or do you want to interpolate? Given that you don't necessarily have data for the values you want (every f...

約15年前 | 0

回答済み
Appending to a saved dataset
If it just comes down to "I'd like to be able to append to the exported dataset instead", then here's one way to do it, but it's...

約15年前 | 0

回答済み
??? Error using ==> mldivide Matrix dimensions must agree.
Unless you actually want to do a matrix division, a simple solution is to do a find-n-replace: "/" -> "./" Otherwise, please ...

約15年前 | 0

回答済み
Is there a reason MuPad doesn't find the obvious cancellation?
I'm guessing it's something to do with assumptions about squares and square roots, and maybe denominators. Wouldn't swear to it...

約15年前 | 1

| 採用済み