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How to apply for loop in case of product of function inside double summation?
R = 0:1; a = 1:10; b = -10:10;% define values for i = 1:length(R) for j = 1:length(R) pr_1(i,j) = a(i)*b(j);...

alrededor de 2 años hace | 1

Respondida
How to find a specific number in a specific column in an excel file and how many times it occurs
D = readtable('test.xlsx'); rowsIndex = D.T == -1100; requiredRows = D(rowsIndex, :)

alrededor de 2 años hace | 0

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Matlab is not giving the correct z transform of - (n*a^n)*u[- n - 1];
syms n z a; y = (n*a^n)*heaviside(n+1) %... heaviside is supposed to be the unit function but apparently it's not working. yz ...

alrededor de 2 años hace | 1

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Turning string into a variable name for a function to use
As the error states, input arguments must be table, you need to either convert the f2load into table using table function or pas...

alrededor de 2 años hace | 0

Respondida
How to display contour levels for some specific levels
Do you mean like this ? Z = peaks; figure [C,h] = contour(Z,8); v = [-1.6727, -0.0448059, 0.0648059, 3.6634] clabel(C,h,v)...

alrededor de 2 años hace | 1

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Why ist the Amplitude of the PSD lower than expected?
Hi @Linus Trauberg From the graph it appears there is a shift in the frequency range returned by pwelch as against to data tha...

alrededor de 2 años hace | 0

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Function 'contains' did not work
if you use compose function nstead of num2str then contains works correctly, clear s1 = 1:100; s2 = [50 51]; s1str=c...

alrededor de 2 años hace | 1

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Making the last two plots in a subplot have an x-axis in degrees?
clear ; clc ; x = linspace(-2,2,51) ; y1 = sinh(x).^2 ; y2 = tanh(x).^2 ; subplot(2,2,1) ; plot(x,y1,'s--r','LineWidth',2,'M...

alrededor de 2 años hace | 1

Respondida
How to plot a given vector field A(x y,z)=(-y)x hat + ( x) y hat + (0) z hat in x y plane .I tried this code but getting an error
% Define the vector field A(x, y, z) = (-y)x_hat + (x)y_hat + (0)z_hat syms x y z A = [-y*x, x*y, 0]; xx = linspace(-2, 2, 2...

alrededor de 2 años hace | 1

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scientific notation convertion of coefficients of a polynomial
syms x f = - 0.042440155 + 0.29476113*x + 0.47380563*x^2 - 0.17632127*x^3 + 0.038426007*x^4 - 0.005090693*x^5 + ... 0.0007...

alrededor de 2 años hace | 0

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Error in the anonymous function
% Define A as a 1x24 vector AA = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, ... 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, ... 21, 22, 23, ...

alrededor de 2 años hace | 0

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Respondida
Help with the equation
Check whether the density input is correct or not to get a value of 4.5 forTBAL syms T_BAL Rho =1.225; % density ?? % stan...

alrededor de 2 años hace | 0

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How can I make it so that the value from my slider changes the rotation speed of the ferris wheel in my code?
Delete the return value for sliderCallback function call as shown below and put the while and/or for loop code for the animat...

alrededor de 2 años hace | 1

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SWITCH expression must be a scalar or a character vector. Error in pathplaninglaila (line 17) switch mode
The mode variable used for the switch expression needs a character data type. you need to convert that variable to char mode as...

alrededor de 2 años hace | 0

Respondida
Give me an example of a calling function.
Put the prog2 code in a function file (which returns the value of n) and call that function in prog1 script file as shown below ...

alrededor de 2 años hace | 0

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Replace strings with a different string and save the data
D = readtable('data.txt'); C = char(['40% Fe';'30% Al']) % e.g. element data to be filled in 1st column D.(1) = repmat(C,168/2...

alrededor de 2 años hace | 0

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Operator '>' is not supported for operands of type 'cell'.
T is a table array/datatype, and you try to access variable inside the table with same name , this is not valid operation idx =...

alrededor de 2 años hace | 0

Respondida
how to extract roots of equation
syms w N k1=70; k2=200; m1=0.1; m2=0.064; m3=0.04; r=0.25 M1=(m2+m3)/m1; M2=m2/m1; K=k2/k1; wn1=(sqrt(k1/m1))/(2*...

alrededor de 2 años hace | 0

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solving beam deflection curve
if you use linspace function, it divides the length between initial and final points into non-equispaced values, however if you...

alrededor de 2 años hace | 1

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Save file .txt the same name as loaded file
filename = "XRF3.mat"; load(filename) save(filename)

alrededor de 2 años hace | 0

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Finding a definite integral
u and k are both functions of x. But I only know the values of u and k at some points of x. you can interpolate missing values ...

alrededor de 2 años hace | 0

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MATLAB does not print vector file even with renderer specified
how about image format ? print('-image','a1.eps','-depsc')

alrededor de 2 años hace | 0

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Adding zeros to a column vector to match a larger column vector
x = rand(100,1) % column vector y = rand(108,1) % another column vector of different size zeros(1,length(y)-length(x)) % row ...

alrededor de 2 años hace | 0

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Numerical Differentiation using Finite Differences
h = 0.01; X = 0:h:2*pi; fx = sin(X); df1 = (sin(X+h) - sin(X))/h; df2 = (sin(X) - sin(X-h))/h; df3 = (sin(X+h) - sin(...

alrededor de 2 años hace | 1

Respondida
why I get the error message like "Attempt to execute SCRIPT bar as a function"?
power_input = [-load -p_c] % this line uses builtin function load

alrededor de 2 años hace | 0

Respondida
Inputting a Matrix into a function
t0 = 0.5235; t1d = 0:60; t1r = deg2rad(t1d);% use this function to convert to radians phi = pi; g = cos(t0)*cos(t1r) + sin(t...

alrededor de 2 años hace | 0

Respondida
Symbolic toolbox differentiation by chain rule without expression defined
syms x(t) y(t) z(x,y) t x = x(t); y = y(t); z = z(x,y) C = diff(z,t)

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How to count number of terms in a symbolic expression?
syms x y z='x*y+cos(x*y)*x+x*sin(x)+sin(x)*cos(x)-x-y+2' C = strsplit(z,{'+','-'}) length(C) C{3} % 3rd term

alrededor de 2 años hace | 0

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What command do i need after de hold off fuction to print the labels in my plot?
print('-image','-dpng', 'windclimate_allyears.png') Try using the OpenGL graphics rendering format as above. The version of Mat...

alrededor de 2 años hace | 0

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How do I optimize graph size?
May be the change in coefficient for cosine function plotted in black color as shown below z = -72:0.2:72; hold on Tb = 543.4...

más de 2 años hace | 1

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