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Matrix input and matrix variables in minimization of an objective function
Hi Hannaneh, you need to have one vector of variables, not a matrix. So * Your x0 should be ones(3*N,1), not ones(N,3) * ...

約11年前 | 0

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faster way to read formatted ascii
Hi, as an alternative to textscan, you can continue using the importer as you do but instead of hitting the import data click...

約11年前 | 0

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turbine and compressor maps
Hi, to get started I would recommend to use reshape to convert your vectors to matrices, something like linenoMatrix = r...

約11年前 | 0

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Opening multiple excelworksheets with stringnames from a cell
Hi Thomas, the loop is not bad, but assignin and eval are in this case, that's right. My suggestion would be to do something ...

約11年前 | 0

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use 'bernsteinMatrix' from MATLAB works in 2014(macos) and 2015(macos) not 2013(Win7)
Hi Konstantinos, in which "2013(Win7")? According to the documentation in R2015a it was added in R2013b. Could it be you are ...

約11年前 | 0

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Indexing a cell, ignoring empty inputs?
Hi Thomas, yes it does. Do you really look for OECF in each string, or do you want to compare to OECF? For your example at le...

約11年前 | 1

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Extract the value of a signal at t=X sec in Simulink
Hi, a simple way is using an enabled subsystem: * Feed the signal to the inport * Take the clock block, feed into "Compar...

約11年前 | 1

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RK4 error for the code
Hi, the error tells you, that the first argument to call rk4 should be a function that can be called, so either the name as a...

約11年前 | 0

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str2func and anonymous functions
Hi, the str2func does not work in this case, as you observed. But the documentation does not really suggest, that it should w...

約11年前 | 0

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how to connect MS Access database with matlab
Hi Reema, accessing databases works by using the functions from the <http://www.mathworks.com/products/database Database Tool...

約11年前 | 0

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Wie kann ich in den UnitDelay Block einen Initialwert angeben, der in meinem Modell vorher berechnet wird, also scalar measurement ist??
Hi Max, within the same model? "Da beißt sich die Katze in den Schwanz" ... ;-) You might setup a second model that comput...

約11年前 | 0

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How to write this program in MATLAB ? Can we convert JAVA code into MATLAB code?
Hi, take a look at the doc for "object oriented programming", or doc classdef Write for each of the Java classes a co...

約11年前 | 0

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Plotting the heat equation using the explicit method
Hi, if the bar is in the negative x as well, I would rewrite the loop entirely to be more like MATLAB style, something like ...

約11年前 | 0

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解決済み

Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

約11年前

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Plotting the heat equation using the explicit method
Hi, when you set the value for u, you need to replace if x>0 by if x(j)>0 Then you will see, that your u look...

約11年前 | 0

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Running mcc from windows cmd
Hi, usually you should be able to call the mcc directly from CMD without using "matlab -r". Did you try? Maybe you need to se...

約11年前 | 0

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Why does appear in a 3D mesh plot lines that should not be there?
Hi, might be a problem with your OpenGl driver ... You could try either set(gcf, 'Renderer', 'zbuffer') or to switch ...

約11年前 | 0

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How do I plot three columns of data (x, y, dependent_variable)?
Hi, in your case usually a 3D view is the natural one. Alternatives would be to show the third column as the color (using sca...

約11年前 | 1

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Removing elements from a cell array
Hi, something like this? intpop{4,1}(2,:) = [intpop{4,1}(2, setdiff(1:size(intpop{4,1},2), 3)) {[]}] Titus

約11年前 | 0

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Saving some part of a cell array
Hi, you should be able to index into data without destroying data or doing copies: dataTruncated = data(1:8); save some...

約11年前 | 1

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Boolean matrix in mex file
Hi Alessandro, use mxGetLogicals instead of mxGetPr ... Titus

約11年前 | 0

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'save as' command
Hi Valentino, use uiputfile for this task, something like [fName, pName] = uiputfile('*.mat'); if fName==0 % user ...

約11年前 | 2

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No Java Builder package working
Hi, just a guess: you used Java JDK 1.8.x? You need to use JDK 1.7.x ... Titus

約11年前 | 1

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How to work with interpolation function?
Hi, in your file B67 is equal to B68. Remove one of the lines. Titus

約11年前 | 0

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Fibonacci sequence, slightly different.
Hi, I don't see what this has to do with Fibonacci though ;-). But you don't need the loop, just do something like seq =...

約11年前 | 1

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link x-axis from one figure with y-axis from another figure
Hi, using linkaxes (or the more general linkprop) this will not work, because only the same property can be linked. What shou...

約11年前 | 0

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Undefined function 'wlgrid' for input arguments of type 'char'.
googling "wlgrid MATLAB" points you to http://content.oss.deltares.nl/delft3d/manuals/Delft3D-MATLAB_User_Manual.pdf. You will n...

約11年前 | 0

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i have a recurrence function L(x). I have L1(x), L2(x).... L4(x) as can you see on the image followed. how can I write a matlab program to generate it's different polynoms till L50(x) for example.
Hi Constantin, polynomials are "encoded" as vectors of the coefficients. So you would have (shifting the index by 1): L{...

約11年前 | 0

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Suppose, v(x) is a user-defined function. How, to get v(-x) which is going to be used in the same code?
Hi, sorry, I don't understand the question. If you have the function, why don't you simply call v(-x)? Or are you looking ...

約11年前 | 0

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What does this code compute?
It set's all entries in mask, where inside is true, to one. I guess mask(inside) = 1; should do the same in fact. Tit...

約11年前 | 0

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