Answered

Writing tlc-File for Level-2 Matlab S-Function

Hi Ali, this would require the real-time kernel of Simulink Desktop Real-Time to execute .NET code. I'm pretty sure this is n...

Writing tlc-File for Level-2 Matlab S-Function

Hi Ali, this would require the real-time kernel of Simulink Desktop Real-Time to execute .NET code. I'm pretty sure this is n...

8 years ago | 0

Answered

How to speed up simulation containing multiple for Loops?

Hi Omer, usually it's best to put the call to sim into a function. Pass the variables to the function as they are needed, som...

How to speed up simulation containing multiple for Loops?

Hi Omer, usually it's best to put the call to sim into a function. Pass the variables to the function as they are needed, som...

8 years ago | 0

Answered

How to to create combined structure array with dynamic defined variable name?

Hi, if I understand correctly, you are looking for dynamic field names: S.(messung{1}) = messung{1}; Titus

How to to create combined structure array with dynamic defined variable name?

Hi, if I understand correctly, you are looking for dynamic field names: S.(messung{1}) = messung{1}; Titus

8 years ago | 0

Answered

How to enable compiler options for ISO C++ 2011 standard in MATLAB R2016a

Hi Ashley, try to add the flag to the compiler options like this: mex -v COMPFLAGS='$COMPFLAGS -std=c++11' yourmexfile.c...

How to enable compiler options for ISO C++ 2011 standard in MATLAB R2016a

Hi Ashley, try to add the flag to the compiler options like this: mex -v COMPFLAGS='$COMPFLAGS -std=c++11' yourmexfile.c...

8 years ago | 0

| accepted

Answered

How to speed up simulation containing multiple for Loops?

Hi, you should be able to use parfor for such problems, see e.g. <http://www.mathworks.com/help/simulink/examples/parallel-si...

How to speed up simulation containing multiple for Loops?

Hi, you should be able to use parfor for such problems, see e.g. <http://www.mathworks.com/help/simulink/examples/parallel-si...

8 years ago | 0

Answered

Initial Condition (IC) block does not output initial state

Hi Luca, the algebraic loop needs to be solved by Simulink in each time step, including the very first step. The output of th...

Initial Condition (IC) block does not output initial state

Hi Luca, the algebraic loop needs to be solved by Simulink in each time step, including the very first step. The output of th...

8 years ago | 0

| accepted

Answered

I need to build a shared library from c code generated with mcc ?

Hi, you might do this in one step: mcc -l mymfunc.m -o libfmat Titus

I need to build a shared library from c code generated with mcc ?

Hi, you might do this in one step: mcc -l mymfunc.m -o libfmat Titus

8 years ago | 0

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). ...

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). ...

8 years 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...

(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...

8 years ago | 0

| accepted

Answered

how to get selected values from a listdlg?

Hi Mohammad, m(selection) should do the trick ... Titus

how to get selected values from a listdlg?

Hi Mohammad, m(selection) should do the trick ... Titus

8 years ago | 0

| accepted

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: ...

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: ...

8 years ago | 0

| accepted

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....

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....

8 years ago | 0

| accepted

Answered

how can i call a model from simulink to matlab?

Hi, the sim function is for this purpose: doc sim Titus

how can i call a model from simulink to matlab?

Hi, the sim function is for this purpose: doc sim Titus

8 years 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...

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...

8 years 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...

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...

8 years 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...

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...

8 years ago | 2

| accepted

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...

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...

8 years ago | 1

| accepted

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...

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...

8 years ago | 1

| accepted

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,:)); [...

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,:)); [...

8 years 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...

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...

8 years 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)/...

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)/...

8 years ago | 0

| accepted

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 =...

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 =...

8 years 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...

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...

8 years ago | 2

| accepted

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 ...

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 ...

8 years ago | 1

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...

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...

8 years 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) + ...

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) + ...

8 years 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 ...

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 ...

8 years 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...

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...

8 years 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...

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...

8 years 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(@(...

Timing multiple Matlab functions

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

8 years ago | 0