Answered
Generate the same random number stream with for and parfor loop
Hi, this can't work by design: the number generator in the client generates 16 random numbers (and reshapes to 4x4 matrix). ...

más de 4 años ago | 1

Answered
(Container)Map with array keys
Hi, no, there is no "nice" way of doing this. Using a scalar should work fine though: a = [42 23]; % assume that yo...

más de 4 años ago | 0

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Answered
how to get selected values from a listdlg?
Hi Mohammad, m(selection) should do the trick ... Titus

más de 4 años ago | 0

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Answered
How to use matlab 'spline' function in simulink ?
Hi, the error message tells you what to do, namely "declare" spline as being used not by code generation but by MATLAB: ...

más de 4 años ago | 0

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Answered
The most close approximation to zero
Hi, there are some aspects to this question. The smallest number you can represent is much smaller: realmin ans = 2....

más de 4 años ago | 0

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Answered
how can i call a model from simulink to matlab?
Hi, the sim function is for this purpose: doc sim Titus

más de 4 años ago | 0

Answered
i m getting this error : Undefined function 'activecontour' for input arguments of type 'uint8'.
Hi, activecontour is from Image Processing Toolbox. Do you have it installed? What does ver('images') say and li...

más de 4 años ago | 0

Answered
Optimization with fminsearch and looping
Hi, what do you expect [0.2 0.5 1 1.5]:[0.25 0.6 1.1 1.6] to be? In fact it's 0.2, and I guess your suki expects a ve...

más de 4 años ago | 0

Answered
How to skip error and continue to execute the code
Hi Jason, one way would be to catch the error: for i=1:100 try NonData=[Weight;Height;Age]; % do so...

más de 4 años ago | 1

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Answered
How to get my original x & y data from saved sfit?
Hi, the .sfit is basically a .mat file. So you can load it: v = load('yourfile.sfit', '-mat'); Depending on the numbe...

más de 4 años ago | 0

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Answered
Switch statement not recognizing a valid input
Hi, it must be then that the two strings are not equal. Put a breakpoint before the switch and compare str{val} with 'RCS (dB...

más de 4 años ago | 1

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Answered
Unique elements in matrix efficiently
Hi, a rather simple version would be this: B = -ones(size(A)); for row=1:size(A, 1) val = unique(A(row,:)); [...

más de 4 años ago | 0

Answered
plot approximation and absolute error of taylor series of e^x
Hi, I guess the main error is to not sum: add f=1 in front of the loop and change f = f + (x.^n) / factorial(n); If y...

más de 4 años ago | 0

Answered
Interpolate from curve data
Hi Daniel, What about this? % define the polynomials y_150 = @(x) 22*((x-23)/4.9).^4 - 48*((x-23)/4.9).^3 + 27*((x-23)/...

más de 4 años ago | 0

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Answered
find unique rows of cell array
Hi Matlab User, that's probably not very easily solved. This should work: i = 1; while i<size(matching__, 1) idx =...

más de 4 años ago | 0

Answered
Storing data and Matlab Production Server
Hi Robert, first of all, MATLAB Production Server usually assumes the algorithms to be "state-less", which means, that subseq...

más de 4 años ago | 1

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Answered
I have a problem with log while implementing vague shadow mask but the R component is already in uint8.
Hi, you need to convert back to double: r = log(double(r)); If you afterwards go back to uint8 (which probably makes ...

más de 4 años ago | 0

Answered
xlim not working with datenum??
Hi Aaron, here is an example how it works: % three years: t = datenum(2012, 1:36, 1)'; plot(t, rand(size(t))) % mak...

más de 4 años ago | 1

Answered
Interpolate from curve data
Hi, the simplest way would be linear interpolation between two curves, e.g. for 180: y_180 = @(x) ((200-180)*y_150(x) + ...

más de 4 años ago | 1

Answered
xlim not working with datenum??
Hi, I'm not yet sure what is the problem. You limit the X-axis to the following date range: >> datestr(1e5 * [7.2592 ...

más de 4 años ago | 0

Answered
i created a matlab code which take data from an excel sheet and gives me first row of it into a text file. after making .exe of the program i am not able to find the output file. what to do now ?
Hi Vaishvik, when you open the text file for output (using fopen, dlmwrite or whatever...) use disp to print out the path. St...

más de 4 años ago | 0

Answered
Read and write multiple times in excel document - for loop or?
Hi Jakob, xlsread in the background opens Excel, reads the data and closes it. This takes some time, therefore I would sugges...

más de 4 años ago | 0

Answered
Timing multiple Matlab functions
Hi, here is some code how you can test: function testfactorial n = 150; t1 = timeit(@() fact1(n), 1) t2 = timeit(@(...

más de 4 años ago | 0

Answered
Timing multiple Matlab functions
Hi, timing single calls within a program using tic/toc won't work, the resolution will simply be too coarse. What are you ...

más de 4 años ago | 1

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Answered
how to find max of 1000 values which are rows,i wrote a code it showed just one value and index that is not the max
Hi Shina, what exactly is the question: you think val is not the maximum of y? I don't see how this can happen ... Or are you...

más de 4 años ago | 0

Answered
how to use datefind function?
Hi, use which datefind to find the file datefind.m in the finance toolbox. Copy it to your folder and name it "mydate...

más de 4 años ago | 0

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Answered
textscan string reading data as string
Hi, you need to tell textscan, that a space (" ") doesn't split strings. Add this to the call of textscan: C = textscan(...

más de 4 años ago | 1

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Answered
how to interface arduino uno with simulink?
Hi, for the first call you need to specify model and port, something like a = arduino('nano', 'COM3'); The informatio...

más de 4 años ago | 0

Answered
How to Create array with repeating values of another array
Hi David, use repmat and linear indexing: x = [1 2 3 4 5]; % repeat two times: xx = repmat(x, 2, 1); % and access all...

más de 4 años ago | 0

Answered
how to define a while statement that when the variable equals a numerical value, ends the code?
Hi, I understand the "get's value" is meant as "being not empty" ...? A = []; while isempty(A) % do something, ...

más de 4 años ago | 0

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