回答済み
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);...

約2年前 | 1

回答済み
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, :)

約2年前 | 0

| 採用済み

回答済み
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 ...

約2年前 | 1

| 採用済み

回答済み
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...

約2年前 | 0

回答済み
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)...

約2年前 | 1

| 採用済み

回答済み
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...

約2年前 | 0

回答済み
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...

約2年前 | 1

回答済み
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...

約2年前 | 1

回答済み
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...

約2年前 | 1

回答済み
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...

約2年前 | 0

回答済み
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, ...

約2年前 | 0

| 採用済み

回答済み
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...

約2年前 | 0

回答済み
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...

約2年前 | 1

回答済み
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...

2年以上前 | 0

回答済み
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 ...

2年以上前 | 0

回答済み
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...

2年以上前 | 0

回答済み
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 =...

2年以上前 | 0

回答済み
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*...

2年以上前 | 0

回答済み
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...

2年以上前 | 1

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

2年以上前 | 0

回答済み
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 ...

2年以上前 | 0

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

2年以上前 | 0

回答済み
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 ...

2年以上前 | 0

回答済み
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(...

2年以上前 | 1

回答済み
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

2年以上前 | 0

回答済み
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...

2年以上前 | 0

回答済み
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)

2年以上前 | 0

| 採用済み

回答済み
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

2年以上前 | 0

回答済み
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...

2年以上前 | 0

回答済み
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...

2年以上前 | 1

| 採用済み