Answered

Help with "Dimension 1 is fixed on the left-hand side but varies on the right ([1 x 1] ~= [:? x 1])" error r2018a.

function plantOutput = modIndex(gridVoltage, setPoint) After that line add assert() statements that test that each of the ...

Help with "Dimension 1 is fixed on the left-hand side but varies on the right ([1 x 1] ~= [:? x 1])" error r2018a.

function plantOutput = modIndex(gridVoltage, setPoint) After that line add assert() statements that test that each of the ...

etwa 6 Stunden ago | 0

Answered

Evaluate definite integral numerically, where the function is indeterminate

Break the integration up into parts that are piecewise numerically integratable, and add the parts together. Do not, however, ex...

Evaluate definite integral numerically, where the function is indeterminate

Break the integration up into parts that are piecewise numerically integratable, and add the parts together. Do not, however, ex...

etwa 6 Stunden ago | 0

Answered

Passing a matrix as a parameter in ode15s

function dvdx = ode_x(x,vx,vfx) dvdx = reshape(vfx./reshape(vx, size(vfx)) - 1), [], 1); end

Passing a matrix as a parameter in ode15s

function dvdx = ode_x(x,vx,vfx) dvdx = reshape(vfx./reshape(vx, size(vfx)) - 1), [], 1); end

etwa 6 Stunden ago | 0

Answered

Is there a non-eval based solution to effectively getting the output of disp as a string value?

You can use diary() to have the output of disp copied to a file, then turn diary off and read the file. This will not be any bet...

Is there a non-eval based solution to effectively getting the output of disp as a string value?

You can use diary() to have the output of disp copied to a file, then turn diary off and read the file. This will not be any bet...

etwa 7 Stunden ago | 0

Answered

JRE License for MATLAB Runtime

"As you know, Oracle doesn't allow JRE for commercial use without a license anymore." Not exactly correct. The restrictions a...

JRE License for MATLAB Runtime

"As you know, Oracle doesn't allow JRE for commercial use without a license anymore." Not exactly correct. The restrictions a...

etwa 9 Stunden ago | 0

Answered

How to create a large matrix using another matrix

https://www.mathworks.com/help/matlab/ref/spdiags.html#mw_6de431d3-8887-4b16-b947-86a610ddea8c

How to create a large matrix using another matrix

https://www.mathworks.com/help/matlab/ref/spdiags.html#mw_6de431d3-8887-4b16-b947-86a610ddea8c

etwa 9 Stunden ago | 1

Answered

ressistors with small random offset in SIMULINK

The attached model is adapted (solver parameters updated) from the File Exchange Contribution SERIES AND PARALLEL CIRCUITS, ver...

ressistors with small random offset in SIMULINK

The attached model is adapted (solver parameters updated) from the File Exchange Contribution SERIES AND PARALLEL CIRCUITS, ver...

etwa 17 Stunden ago | 1

Answered

Triangle fitting using fminsearch

Guessing about what you were trying to do with that fT stuff: function FW = gaussplustriangle(x,x0,y,isPlot) %x0 is fixed cente...

Triangle fitting using fminsearch

Guessing about what you were trying to do with that fT stuff: function FW = gaussplustriangle(x,x0,y,isPlot) %x0 is fixed cente...

ein Tag ago | 0

Answered

Find Fundamental Frequency to know if it´s a Man or a woman or children

Your project is not possible to complete using any known science. Suppose for example that group A has a mean score on somethin...

Find Fundamental Frequency to know if it´s a Man or a woman or children

Your project is not possible to complete using any known science. Suppose for example that group A has a mean score on somethin...

ein Tag ago | 1

Answered

Why are the results different when calculating a 10 x 3 matrix and a 1 x 3 matrix?

XYZ_rwd21t = [1.30937778204061e-14,-13.8617246105272,22.6275000000000; XYZ_rwt212t(i, 2) = XYZ_rwd21t(1, 2); Okay, so ...

Why are the results different when calculating a 10 x 3 matrix and a 1 x 3 matrix?

XYZ_rwd21t = [1.30937778204061e-14,-13.8617246105272,22.6275000000000; XYZ_rwt212t(i, 2) = XYZ_rwd21t(1, 2); Okay, so ...

ein Tag ago | 1

Answered

fminsearch for ligistic fit

f2 = @(p)f(p,x); That relies on x existing in your workspace. If you are going to do that you might as well assume it on the...

fminsearch for ligistic fit

f2 = @(p)f(p,x); That relies on x existing in your workspace. If you are going to do that you might as well assume it on the...

2 Tage ago | 0

Answered

Adding elements of a vector in matlab

fliplr( cumsum( fliplr(a) ) )

Adding elements of a vector in matlab

fliplr( cumsum( fliplr(a) ) )

2 Tage ago | 0

| accepted

Answered

Integration from 0 to a variable.

integral() is for numeric integration, but solve() is for symbolic work. fun2=@(x)((s-x).*((b/a).*((x/a).^(b-1)))/(1+((x/a).^...

Integration from 0 to a variable.

integral() is for numeric integration, but solve() is for symbolic work. fun2=@(x)((s-x).*((b/a).*((x/a).^(b-1)))/(1+((x/a).^...

2 Tage ago | 0

| accepted

Answered

fprintf to plot error

See https://www.mathworks.com/matlabcentral/answers/534868-make-matrix-with-loop#answer_439778 for a general code outline that y...

fprintf to plot error

See https://www.mathworks.com/matlabcentral/answers/534868-make-matrix-with-loop#answer_439778 for a general code outline that y...

2 Tage ago | 0

Answered

Divide .wav file into equal segments

The below will split all .wav in a given directory into 3 second buffers. A directory named after the file will be created insid...

Divide .wav file into equal segments

The below will split all .wav in a given directory into 3 second buffers. A directory named after the file will be created insid...

2 Tage ago | 1

| accepted

Answered

How can I make a non uniform quantization of an image?

If you have the Communications toolbox you can use quantiz() https://www.mathworks.com/help/comm/ref/quantiz.html You can also...

How can I make a non uniform quantization of an image?

If you have the Communications toolbox you can use quantiz() https://www.mathworks.com/help/comm/ref/quantiz.html You can also...

3 Tage ago | 0

Answered

Matlab License for students

MATLAB Online is not free; you need to have an active account of one of several kinds. If Harvard has a Total Academic Headcoun...

Matlab License for students

MATLAB Online is not free; you need to have an active account of one of several kinds. If Harvard has a Total Academic Headcoun...

3 Tage ago | 0

Answered

Y axis in scientific form

If you are referring to the scale factor that sometimes get put up near the top of the Y axes, then the answer is that there is ...

Y axis in scientific form

If you are referring to the scale factor that sometimes get put up near the top of the Y axes, then the answer is that there is ...

3 Tage ago | 0

Answered

solve vs. fsolve

Sometimes plotting and finding intervals by eye is not productive. In the general case, theory says that it is impossible to c...

solve vs. fsolve

Sometimes plotting and finding intervals by eye is not productive. In the general case, theory says that it is impossible to c...

3 Tage ago | 0

Answered

Make matrix with loop

In the general case: xvals = [list of x values, does not have to be regularly spaced or even sorted]; numx = length(xvals); y...

Make matrix with loop

In the general case: xvals = [list of x values, does not have to be regularly spaced or even sorted]; numx = length(xvals); y...

3 Tage ago | 0

Answered

Plot Not showing all values

The max value of col2 is only about 20, but the maximum value of col1 is 992008 Near 210 the entries go like 21.4239 21.5239 ...

Plot Not showing all values

The max value of col2 is only about 20, but the maximum value of col1 is 992008 Near 210 the entries go like 21.4239 21.5239 ...

3 Tage ago | 0

Answered

Multi Threads operation SERIAL PORT in Parallel

That cannot be done with asynchronous serial ports such as RS232 and USB. In order to synchronize reception of data, you need to...

Multi Threads operation SERIAL PORT in Parallel

That cannot be done with asynchronous serial ports such as RS232 and USB. In order to synchronize reception of data, you need to...

3 Tage ago | 0

Answered

how to insert value of array to other array

horzcat(). [list of values] is also horzcat()

how to insert value of array to other array

horzcat(). [list of values] is also horzcat()

3 Tage ago | 0

| accepted

Answered

What am I missing in this code I am trying to find roots of a System of Equation?

x=x+transpose(eps) That should be subtraction rather than addition.

What am I missing in this code I am trying to find roots of a System of Equation?

x=x+transpose(eps) That should be subtraction rather than addition.

3 Tage ago | 1

| accepted

Answered

Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

inv(j)*f is going to return a column vector. Your original X0 is a row vector. Since R2016b, if you subtract a row vector and a ...

Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

inv(j)*f is going to return a column vector. Your original X0 is a row vector. Since R2016b, if you subtract a row vector and a ...

3 Tage ago | 1

Answered

Function that calls another function in LiveScript

Yes, provided that you are using a MATLAB release new enough to support functions in Live Scripts (which you are.) Note that th...

Function that calls another function in LiveScript

Yes, provided that you are using a MATLAB release new enough to support functions in Live Scripts (which you are.) Note that th...

4 Tage ago | 0

Answered

cumulatives of the dynamical system

You currently have a first order differential equation, diff(D,t) == x(t). When you use it with ode45 you would be using a funct...

cumulatives of the dynamical system

You currently have a first order differential equation, diff(D,t) == x(t). When you use it with ode45 you would be using a funct...

4 Tage ago | 0

| accepted

Answered

Efficiently ways to solve for multiple for loops, of which the indices are the parameters of a function

You can do at least part of it in vectorized form. The following deliberately creates random numbers in the same order as if yo...

Efficiently ways to solve for multiple for loops, of which the indices are the parameters of a function

You can do at least part of it in vectorized form. The following deliberately creates random numbers in the same order as if yo...

4 Tage ago | 0

Answered

How do I define an empty table of unknown size?

Sorry, variables that do not exist do not have any datatype. As you add variables to the table, the datatype associated with t...

How do I define an empty table of unknown size?

Sorry, variables that do not exist do not have any datatype. As you add variables to the table, the datatype associated with t...

4 Tage ago | 0

Answered

upper case need help

str=char(mod(double(lower(str))-97+shift,26)+97);

upper case need help

str=char(mod(double(lower(str))-97+shift,26)+97);

4 Tage ago | 0

| accepted