답변 있음

Integral construction and betainv

Since ‘pbar’ and ‘rho’ are vectors, use the 'ArrayValued' name-value pair in the integral call: ES_95=(1/(1-alpha))*integral(@...

Integral construction and betainv

Since ‘pbar’ and ‘rho’ are vectors, use the 'ArrayValued' name-value pair in the integral call: ES_95=(1/(1-alpha))*integral(@...

5일 전 | 0

| 수락됨

답변 있음

Steady-state value?

The step function has a number of outputs that you can request from it. The documentation section on Step Responses of Identifi...

Steady-state value?

The step function has a number of outputs that you can request from it. The documentation section on Step Responses of Identifi...

6일 전 | 0

답변 있음

Normal distribution function in Matlab

Use element-wise operations on every multiplication, division (and exponentiation, although not used here). This works: tau...

Normal distribution function in Matlab

Use element-wise operations on every multiplication, division (and exponentiation, although not used here). This works: tau...

6일 전 | 1

| 수락됨

답변 있음

How to change exponentiation

I wrote a littlle utility function for my own use a while back to do this. Adapt it to do what you want: expstr = @(x,n) [x...

How to change exponentiation

I wrote a littlle utility function for my own use a while back to do this. Adapt it to do what you want: expstr = @(x,n) [x...

6일 전 | 0

| 수락됨

답변 있음

Low pass filter design

My preference would be an elliptic IIR filter for efficiency. See the documentation for ellip for details. For best results, b...

Low pass filter design

My preference would be an elliptic IIR filter for efficiency. See the documentation for ellip for details. For best results, b...

6일 전 | 0

| 수락됨

답변 있음

Butterworth Bandpass filter and discreate fcn

The bilinear approach would be my choice. Also consider the impinvar function. These appear to be the only Signal Processing...

Butterworth Bandpass filter and discreate fcn

The bilinear approach would be my choice. Also consider the impinvar function. These appear to be the only Signal Processing...

6일 전 | 0

답변 있음

If clause – if column blank than

Try this instead: if isempty(data_pp.Anxiety_RESP) .

If clause – if column blank than

Try this instead: if isempty(data_pp.Anxiety_RESP) .

6일 전 | 0

답변 있음

Plotting amplitude of individual frequencies over time.

The pspectrum function can likely do what you want. Use the 'spectrogram' type and choose the x-axis column that corresponds to...

Plotting amplitude of individual frequencies over time.

The pspectrum function can likely do what you want. Use the 'spectrogram' type and choose the x-axis column that corresponds to...

7일 전 | 0

| 수락됨

답변 있음

fminsearch with matrices help

This might do what you want: x = rand(150,3); % Create Data y = rand(150,3); ...

fminsearch with matrices help

This might do what you want: x = rand(150,3); % Create Data y = rand(150,3); ...

7일 전 | 0

답변 있음

Store value of variable computed in ODE Solver at the specified time steps.

There are not enough variables provided to run your code. This is how I would do it: tspan = 0:0.01:10; options = odeset('...

Store value of variable computed in ODE Solver at the specified time steps.

There are not enough variables provided to run your code. This is how I would do it: tspan = 0:0.01:10; options = odeset('...

7일 전 | 1

| 수락됨

답변 있음

how to make smooth the vertcat of more vectors

I am not certain what you want, since the posted file is not the same as the posted plot image. Try this: y = readmatrix('c...

how to make smooth the vertcat of more vectors

I am not certain what you want, since the posted file is not the same as the posted plot image. Try this: y = readmatrix('c...

7일 전 | 0

| 수락됨

답변 있음

How to print Rsdnrm after fitting?

The ‘Rsdnrm’ output is a scalar double value, and exists in the workspace after lsqcurvefit completes its estimation. Just use ...

How to print Rsdnrm after fitting?

The ‘Rsdnrm’ output is a scalar double value, and exists in the workspace after lsqcurvefit completes its estimation. Just use ...

7일 전 | 0

답변 있음

drawcircle function outputs circle or oval by default?

Use: axis('equal') and it magically becomes a circle! See the documentation on axis for details.

drawcircle function outputs circle or oval by default?

Use: axis('equal') and it magically becomes a circle! See the documentation on axis for details.

7일 전 | 0

답변 있음

How to find the upper limit of a complex integral

I’ve been working on this for a while. This works, however at some point, fsolve finds undefined values at the intial point, ...

How to find the upper limit of a complex integral

I’ve been working on this for a while. This works, however at some point, fsolve finds undefined values at the intial point, ...

7일 전 | 0

| 수락됨

답변 있음

How to fix my code for ode45

Delete the single quotation marks. This runs without error: f = @(x,y) (9*14^(1/2)*exp(-(2*x)/9)*sin((14^(1/2)*x)/9))/7; [...

How to fix my code for ode45

Delete the single quotation marks. This runs without error: f = @(x,y) (9*14^(1/2)*exp(-(2*x)/9)*sin((14^(1/2)*x)/9))/7; [...

7일 전 | 0

| 수락됨

답변 있음

What is wrong with my code it keeps telling me that i have 'Error: File: labmaterials.m Line: 67 Column: 109 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

The problems are too many to specifically enumerate: Ms(iii)=2/pi*(w1*log*[tan*[acos*[w1/l_vector]]+l_vector/w1]+l_vector*(pi/...

What is wrong with my code it keeps telling me that i have 'Error: File: labmaterials.m Line: 67 Column: 109 Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

The problems are too many to specifically enumerate: Ms(iii)=2/pi*(w1*log*[tan*[acos*[w1/l_vector]]+l_vector/w1]+l_vector*(pi/...

7일 전 | 0

| 수락됨

답변 있음

Plot / Solve system for nontrivial answer. dot operator issue?

Since you wnat a numeric result, use vpasolve instead, wither with an initial value (if you have an idea of what that is) or a r...

Plot / Solve system for nontrivial answer. dot operator issue?

Since you wnat a numeric result, use vpasolve instead, wither with an initial value (if you have an idea of what that is) or a r...

8일 전 | 0

| 수락됨

답변 있음

Should I use the absolute value of fast Fourier transform or the conjugate in signal analysis?

Note that the plot is ‘Power Spectral Density’. Power is the square of magnitude. The abs value is the square root of the co...

Should I use the absolute value of fast Fourier transform or the conjugate in signal analysis?

Note that the plot is ‘Power Spectral Density’. Power is the square of magnitude. The abs value is the square root of the co...

8일 전 | 0

| 수락됨

답변 있음

How can I solve a problem related to the output argument.

The way I usually deal with this is to define all the outputs as NaN in the beginning of the function. The ones that are assign...

How can I solve a problem related to the output argument.

The way I usually deal with this is to define all the outputs as NaN in the beginning of the function. The ones that are assign...

8일 전 | 0

답변 있음

Matlab on a new computer

First, back up all your user files (including yuour startup.m file if you created one) to a thumb drive or SD chip and transfer ...

Matlab on a new computer

First, back up all your user files (including yuour startup.m file if you created one) to a thumb drive or SD chip and transfer ...

8일 전 | 0

답변 있음

Plotting mean across a graph

Try this: plot(xlim, [1 1]*Ymean, 'r','LineWidth',1.5) The ‘Ymean’ value should be a constant, so it is necessary to plot it ...

Plotting mean across a graph

Try this: plot(xlim, [1 1]*Ymean, 'r','LineWidth',1.5) The ‘Ymean’ value should be a constant, so it is necessary to plot it ...

8일 전 | 0

답변 있음

How to get fmincon to work with an ode45?

See: Optimizing a Simulation or Ordinary Differential Equation

How to get fmincon to work with an ode45?

See: Optimizing a Simulation or Ordinary Differential Equation

9일 전 | 0

| 수락됨

답변 있음

XLabel and YLabel Font Size

The Control System (and System Identification) Toolbox plot functions properties are difficult to change. That can be done, how...

XLabel and YLabel Font Size

The Control System (and System Identification) Toolbox plot functions properties are difficult to change. That can be done, how...

9일 전 | 0

| 수락됨

답변 있음

load x,y

Try this: x = 1:10; y1=[0.5 1.7 1.75 1.9 2 2.1 2.4 2.6 2.7 2.9 ] y2=[0.7 1.8 1.9 2 2.3 2.5 2.7 2.8 2.9 3] save('XYvectors...

load x,y

Try this: x = 1:10; y1=[0.5 1.7 1.75 1.9 2 2.1 2.4 2.6 2.7 2.9 ] y2=[0.7 1.8 1.9 2 2.3 2.5 2.7 2.8 2.9 3] save('XYvectors...

9일 전 | 0

| 수락됨

답변 있음

Drawing contour on circle with individual(x,y,z) location spots

Use the contour function. If they are not already gridded (in a regularly-spaced 2D array), use the griddata (or related func...

Drawing contour on circle with individual(x,y,z) location spots

Use the contour function. If they are not already gridded (in a regularly-spaced 2D array), use the griddata (or related func...

9일 전 | 0

| 수락됨

답변 있음

How do I plot 3 dimensional function?

Code it, and include the contourf function in your code to produce the plot.

How do I plot 3 dimensional function?

Code it, and include the contourf function in your code to produce the plot.

9일 전 | 0

답변 있음

Printing lines of text from cell array?

One approach: D = {[1 2 3],[4 5 6 7 8 9],[10 11 12 13 14 15 16 17 18 19 20]} for k = 1:numel(D) fprintf(1, [repmat('%d...

Printing lines of text from cell array?

One approach: D = {[1 2 3],[4 5 6 7 8 9],[10 11 12 13 14 15 16 17 18 19 20]} for k = 1:numel(D) fprintf(1, [repmat('%d...

9일 전 | 0

| 수락됨

답변 있음

Signal Analyzer - Unable to view Complex Signal

I am not sure that I understand the problem. The ‘env’ and ‘g’ variables appear in my Workspace (in R2020b). There are sever...

Signal Analyzer - Unable to view Complex Signal

I am not sure that I understand the problem. The ‘env’ and ‘g’ variables appear in my Workspace (in R2020b). There are sever...

9일 전 | 0

답변 있음

changing header to csv using writetable

In R2016b, the variable names must be valid MATLAB variable names. (That changed in R2020a, so what you want to do would be per...

changing header to csv using writetable

In R2016b, the variable names must be valid MATLAB variable names. (That changed in R2020a, so what you want to do would be per...

10일 전 | 0

| 수락됨

답변 있음

Use Delimiter only once in row when reading .txt files

Try this: C = {'$CM_TIME 11:44 AM' '$CM_OPERATOR Microscope Administrator' '$CM_INSTRUMENT Microscope' '$CM_...

Use Delimiter only once in row when reading .txt files

Try this: C = {'$CM_TIME 11:44 AM' '$CM_OPERATOR Microscope Administrator' '$CM_INSTRUMENT Microscope' '$CM_...

10일 전 | 0

| 수락됨