Answered

How to ask use to enter values

An example of input. prompt = "Value "; H2 = input(prompt); CH4 = input(prompt); xTable = table(H2,CH4) xTable = ...

How to ask use to enter values

An example of input. prompt = "Value "; H2 = input(prompt); CH4 = input(prompt); xTable = table(H2,CH4) xTable = ...

3 maanden ago | 0

Answered

A problem containing Interpolation

You must change: x=linspace(1,15,6); %%This line 6 equally spaced data points y=2*x-3*randn(1,length(x)); %%This line x2=lin...

A problem containing Interpolation

You must change: x=linspace(1,15,6); %%This line 6 equally spaced data points y=2*x-3*randn(1,length(x)); %%This line x2=lin...

3 maanden ago | 0

Answered

How do we take the inverse fourier transformof this image

Your image: img = imread('imagen','jpg'); h = ifft2(img); %inverse fourier transform imagesc(abs(h(:,:,1))); inverse fouri...

How do we take the inverse fourier transformof this image

Your image: img = imread('imagen','jpg'); h = ifft2(img); %inverse fourier transform imagesc(abs(h(:,:,1))); inverse fouri...

3 maanden ago | 0

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Answered

how to write special matrices

I think it is not very efficient, but works a = dec2bin(0:15); i = 1; while i<17 c = randi([0 1],1,4); if(a(i...

how to write special matrices

I think it is not very efficient, but works a = dec2bin(0:15); i = 1; while i<17 c = randi([0 1],1,4); if(a(i...

3 maanden ago | 0

Answered

Plot transfer function with exponential function

You need add inputdelay sets=tf(4,[1 4 4],'inputdelay',1) sets = 4 exp(-1*s) * ------------- ...

Plot transfer function with exponential function

You need add inputdelay sets=tf(4,[1 4 4],'inputdelay',1) sets = 4 exp(-1*s) * ------------- ...

3 maanden ago | 1

Answered

Matrix dimensions must agree.

The arrays dimensions are differents Dn/W.*log(1+((Pr.*h)/sigma2)+(Texe)) %Is a 10x10 complex matrix If you use Tup(k) %You a...

Matrix dimensions must agree.

The arrays dimensions are differents Dn/W.*log(1+((Pr.*h)/sigma2)+(Texe)) %Is a 10x10 complex matrix If you use Tup(k) %You a...

3 maanden ago | 0

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Answered

2d matrix column plot

You can make a plot with comand plot(): x(:,1) = 0:pi/100:2*pi; x(:,2) = sin(x); plot(x(:,1),x(:,2)) more info: https://es...

2d matrix column plot

You can make a plot with comand plot(): x(:,1) = 0:pi/100:2*pi; x(:,2) = sin(x); plot(x(:,1),x(:,2)) more info: https://es...

3 maanden ago | 0

Answered

Change name of subplot into 2 for

You can try change: Muscle_Task=strcat('Muscle',num2str(mrkr),'Task',num2str(muscle),'.bmp'); to: Muscle_Task=['Muscle' num2s...

Change name of subplot into 2 for

You can try change: Muscle_Task=strcat('Muscle',num2str(mrkr),'Task',num2str(muscle),'.bmp'); to: Muscle_Task=['Muscle' num2s...

3 maanden ago | 0

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Answered

Need help with a riemann sum

Cambié un poco el código, pero casi nada. clearvars; a = 0; b = 2; n_rec = 100; delta_x = (b-a)/n_rec; x = 0:delta_x:2; %...

Need help with a riemann sum

Cambié un poco el código, pero casi nada. clearvars; a = 0; b = 2; n_rec = 100; delta_x = (b-a)/n_rec; x = 0:delta_x:2; %...

3 maanden ago | 0

Answered

Improfile changing colour of plot

You can try: %Example Mathwork I = imread('liftingbody.png'); x = [19 427 416 77]; y = [96 462 37 33]; [a,b,c] = improfile(...

Improfile changing colour of plot

You can try: %Example Mathwork I = imread('liftingbody.png'); x = [19 427 416 77]; y = [96 462 37 33]; [a,b,c] = improfile(...

3 maanden ago | 0

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Answered

I'm trying to take the integral with two variables being arrays and this error keeps popping up. I'm not sure if there is another way, or if im missing something. this is what i have put in the code.

I think the upper limit of integral cannot be a matrix. if you change Iy = int(dA*x^2,x,0,b) %b is array the code works sym...

I'm trying to take the integral with two variables being arrays and this error keeps popping up. I'm not sure if there is another way, or if im missing something. this is what i have put in the code.

I think the upper limit of integral cannot be a matrix. if you change Iy = int(dA*x^2,x,0,b) %b is array the code works sym...

3 maanden ago | 0

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Answered

Random selection from a pool of questions

I changed 2 lines and it works QandA={'what is 6x8? ', '48'; 'what is 12x12? ', '144'; 'what is 60/12? ', '5'; ...

Random selection from a pool of questions

I changed 2 lines and it works QandA={'what is 6x8? ', '48'; 'what is 12x12? ', '144'; 'what is 60/12? ', '5'; ...

3 maanden ago | 1

| accepted

Answered

y=a*b^x

For example if your y = a*cos(x), you can use plot like this: x = 0:1e-2:20; %x values a = 2; %can be anything constant number...

y=a*b^x

For example if your y = a*cos(x), you can use plot like this: x = 0:1e-2:20; %x values a = 2; %can be anything constant number...

3 maanden ago | 0

Answered

Why is my functions not plotting a line?

you need add one point Wab=9.42; d=0.12; s=0.1; % 0.3, 0.6 & 0.9 theta=0:0.1:6.28 Wcd=(s.*Wab.*(s+sin(theta)))./(1+s.^2+2...

Why is my functions not plotting a line?

you need add one point Wab=9.42; d=0.12; s=0.1; % 0.3, 0.6 & 0.9 theta=0:0.1:6.28 Wcd=(s.*Wab.*(s+sin(theta)))./(1+s.^2+2...

3 maanden ago | 2

Answered

How can I stop my program and ask for the wish operation?

You can use a if umi = '1 = A*B 2 = A/B '; opc = input(umi); %input (multiply or divide?) disp(' ') dis...

How can I stop my program and ask for the wish operation?

You can use a if umi = '1 = A*B 2 = A/B '; opc = input(umi); %input (multiply or divide?) disp(' ') dis...

3 maanden ago | 0

Answered

how can I plot multiple y values for single x value?

you can try creating a vector of ones and multiplying this by your x values, for example: y = rand(1,15); xvalue = 3; x = xva...

how can I plot multiple y values for single x value?

you can try creating a vector of ones and multiplying this by your x values, for example: y = rand(1,15); xvalue = 3; x = xva...

3 maanden ago | 0

Answered

Matlab program to plot y(t) graph

If you function is y(t), and you iterate this function in the time, your can plot it: time = 0:0.01:1; y = sin(time) %Your y(t...

Matlab program to plot y(t) graph

If you function is y(t), and you iterate this function in the time, your can plot it: time = 0:0.01:1; y = sin(time) %Your y(t...

3 maanden ago | 0

Answered

High Frequency Square Wave

You can try with square() --> More Info For example: time = linspace(0,1,1000); frecuency = 5; %or other frecuency x = squar...

High Frequency Square Wave

You can try with square() --> More Info For example: time = linspace(0,1,1000); frecuency = 5; %or other frecuency x = squar...

3 maanden ago | 0

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Answered

Storing data in matlab matrix using loop

You can try use cell() i=1; for k1=2:1:20 for k2=2:1:20 for k3 = 2:1:20 M = [k1,k2,k3]; if...

Storing data in matlab matrix using loop

You can try use cell() i=1; for k1=2:1:20 for k2=2:1:20 for k3 = 2:1:20 M = [k1,k2,k3]; if...

3 maanden ago | 0

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Answered

Solve equation in interval

You can try: syms x f = x^2*exp(-x) fder = diff(f,x,1) vpasolve(fder,[-1 1]) %change solve

Solve equation in interval

You can try: syms x f = x^2*exp(-x) fder = diff(f,x,1) vpasolve(fder,[-1 1]) %change solve

3 maanden ago | 0

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Answered

Calculation of two less than equal

For the left side it is: n = sqrt(C-1); The other side it is the same.

Calculation of two less than equal

For the left side it is: n = sqrt(C-1); The other side it is the same.

3 maanden ago | 0

Answered

Problem in using symsum

syms x k x(1)=-2; x(2)=-1; x(3)=0; x(4)=1; x(5)=2; f(1)=-2; f(2)=-1; f(3)=0; f(4)=1; f(5)=2; for i=0:4 a{i+1}=...

Problem in using symsum

syms x k x(1)=-2; x(2)=-1; x(3)=0; x(4)=1; x(5)=2; f(1)=-2; f(2)=-1; f(3)=0; f(4)=1; f(5)=2; for i=0:4 a{i+1}=...

3 maanden ago | 0

Answered

Plot please help / plot the domain of transfer function

You can try with tf(): more info: https://es.mathworks.com/help/control/ref/tf.html fun = tf([5 30 55 30],[1 9 33 65]); % B(s...

Plot please help / plot the domain of transfer function

You can try with tf(): more info: https://es.mathworks.com/help/control/ref/tf.html fun = tf([5 30 55 30],[1 9 33 65]); % B(s...

3 maanden ago | 0

Answered

How can I write the matlab

I made a function that maybe help you: Link: https://es.mathworks.com/matlabcentral/fileexchange/82783-waveform-fourier-series-...

How can I write the matlab

I made a function that maybe help you: Link: https://es.mathworks.com/matlabcentral/fileexchange/82783-waveform-fourier-series-...

3 maanden ago | 0

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Answered

Piecewise function plot help

The length must be the same x1 = [0:0.1:1]; f1 = zeros(1,numel(x1)); %f1 with the same length as x1 x2 = [1:0.1:3]; f2 = [1/...

Piecewise function plot help

The length must be the same x1 = [0:0.1:1]; f1 = zeros(1,numel(x1)); %f1 with the same length as x1 x2 = [1:0.1:3]; f2 = [1/...

3 maanden ago | 0

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Answered

How to create a periodic function?

You can use this function: https://es.mathworks.com/matlabcentral/fileexchange/83058-continuous-piecewise-function-linear-funcio...

How to create a periodic function?

You can use this function: https://es.mathworks.com/matlabcentral/fileexchange/83058-continuous-piecewise-function-linear-funcio...

3 maanden ago | 0

Answered

Error Message: valid interpreter syntax

add in xlabel() xlabel(filename,'Interpreter','none')

Error Message: valid interpreter syntax

add in xlabel() xlabel(filename,'Interpreter','none')

3 maanden ago | 0

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Answered

Show filtered column of a cell array based on filtered cell header

Hi :D data= {'A' ,'B' ,'C';'1', '2', '3';'1' ,'2', '3';'1', '2', '3'}; fprintf("input with a space \n") %Example: a b or a c...

Show filtered column of a cell array based on filtered cell header

Hi :D data= {'A' ,'B' ,'C';'1', '2', '3';'1' ,'2', '3';'1', '2', '3'}; fprintf("input with a space \n") %Example: a b or a c...

3 maanden ago | 0

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Answered

solving for an unknown variable when given the rest

syms V y = 0.05; k = 0.0806; v = 90; N = 4; h = solve(y == 1/((1+k*(V/v))^N),V) %multiplication sign missing you only shou...

solving for an unknown variable when given the rest

syms V y = 0.05; k = 0.0806; v = 90; N = 4; h = solve(y == 1/((1+k*(V/v))^N),V) %multiplication sign missing you only shou...

3 maanden ago | 1

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Answered

How to use loop to reduce the code?

you can try with cell clc clear syms t sigma r = -4; w = 2; a = 1; b = 1; W = 1; x_2 = 1 A_sin = 1; A_sigma = [0,1;-w...

How to use loop to reduce the code?

you can try with cell clc clear syms t sigma r = -4; w = 2; a = 1; b = 1; W = 1; x_2 = 1 A_sin = 1; A_sigma = [0,1;-w...

3 maanden ago | 0

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