Answered
make loop if two variable (x and y) present calculate value for (x1 and y1) and store separate name for same formula another calculate for (x2,y2) and store by separate?
x = [1 2 3 4 5]; y= [ 8 3 2 1 6]; % vectorize the equation (easier approach) z = exp(x)+x.*y.^3 +y; % using for loop h...

3 years ago | 1

Answered
How to insert different size matrices into each row of a zero matrix
syms x [1 10] n = 10; for k = 1:n M(k,1:k) = x(1:k); end M

3 years ago | 0

Answered
Convert Fahrenheit to Celcius while the inpu Fahrenheit is an array
clear T = 0:10:100; C = (5*(T-32)/9) fprintf('%4.2f F = %4.2f C\n',[T;C])

3 years ago | 0

| accepted

Answered
How to solve the error while solving the given equation by ode45 or ode15s?
As the expression states an extra parenthesis is included in this line dTdt(i,j) = k*(Tin(i,j)-k*T(i,j))+(k4(i,j))*T(i,j+1))-k...

3 years ago | 0

Answered
Custom Lognormal curve fitting equation using curve fitter in matlab
complete the if-else-end condition using the keywords end , else-if and try, Also in the if condition, there is a missing mul...

3 years ago | 0

Answered
Wind rose plotting issue
v=[5 15 4; 1 0 0; 13 5 3; 7 0 0; 10 1 2; 11 0 0; 19 2 1; 1 0 0]; %Percentage of winds d=[0 0 0; 45 45 45; 90 90 90; 135 135 1...

3 years ago | 0

| accepted

Answered
Only the last value are being stored in for loop
a(iComb)=ExtSurgeBinEdges_Lo(IndMatFA(iComb,1)); b=[]; % put this line outside of loop b(iComb)=ExtSurgeBinEdges_Md(Ind...

3 years ago | 0

| accepted

Answered
I cannot detect an error on Newton Method.
function [x,n,error] = NewtonRaphson(f,a,eps_f,eps_x,df,maxits) %>> df % r...

3 years ago | 0

| accepted

Answered
how to use solve
syms b x a sol=solve ((2*cos(x) - b*(sin(x) + sin(a*x))) == 0,[x a b]) %chooses 'x' as the unknown and returns sol.x sol.a ...

3 years ago | 0

| accepted

Answered
I can't run the code I wrote the way I want. Please help me
%Plot P-V diagram of a given substance using peng robinson equation of state %Substance properties are defined by the peng robi...

3 years ago | 0

Answered
Array elements are recalculated every iteration
This is one approach, where you can initialize a variable k and iterate along the time step nRows = ceil(endTime / ep.timestep...

3 years ago | 0

Answered
imshow displays blank figure
img = imread('image.png'); imshow(img); Change the syntax for *imread* as above.

3 years ago | 0

Answered
How to plot performance data based on process ID?
Data = [1680569427 83321 73.3 1680569427 83325 0.0 1680569427 83326 0.0 1680569427 83327 0.0 1680569427 83328 0.0 168056942...

3 years ago | 0

| accepted

Answered
Problems with a function of matrix
Call the function from command window and not from inside the script file where you have the code % call the function from com...

3 years ago | 0

| accepted

Answered
Index in position 1 is invalid. Array indices must be positive integers or logical values.
Change this line from s = s + v(x,y) * img(k,l); to s = s + v(x,y) * img(abs(k),abs(l)); in your code. The indices become ne...

3 years ago | 0

Answered
Problema al escribir en látex el nombre de un eje
ylabel('$\ddot{z_c}$','Interpreter','latex','fontsize',20)

3 years ago | 1

| accepted

Answered
Normalizing an FFT Vector
Try with fftshift function , L = 100; x = linspace(0,L,L+1); psi = sqrt(2/L)*sin(pi*x/L); %particle in a box ground state% ...

3 years ago | 1

Answered
My error says "Unrecognized function or variable 'CP'." What can I add to the script so that I can define it?
None of the if statements for variables IoDR, IoDL are being executed. Can you check if the preceding if conditions for variable...

3 years ago | 0

Answered
Subscript indices must either be real positive integers or logicals always show up. what should i do?
%% Beam Properties L = 0.35; % Length of the beam (m) w = 0.02; % Width of the beam (m) t = 0.002; % thickness ...

3 years ago | 0

| accepted

Answered
Calculate normal and shear stress of a beam where values of depth and width are under certain conditions
close all clear clc b = 1:200; d = 1:200; A = 2640; F = 300e3; d_max = 125; b_min = 20; NL = length(b); sigma_max = ...

3 years ago | 0

| accepted

Answered
forcing the final column in a matrix to be zero
k = 10 a = ones(3,k) b = -1; if b < 1 a(:,end) = 0; end a

3 years ago | 0

| accepted

Answered
Ideal Pressure Sensor, Static Head or Total Head?
The pressure sensor available in Simscape measures the total head or effective head. As you say there is no diameter to evalua...

3 years ago | 0

Answered
How do I make two variables the same number for conditions in a if=else statement?
Following the truth table output for xor and as suggested by @Walter Roberson , you would also need to change the if-else cond...

3 years ago | 0

Answered
How can I change a variable once at a specific point inside of a for loop?
You can change the sign of v_robot variable num_states = 2001; v_robot = 0.1; stdev_odometry = 0.1; delta_t = 0.1; b = zer...

3 years ago | 0

Answered
I am trying to create a function that shows the average grade of an entire class but my answer is in matrix form.
for student=1:Nstudent; ClassAverage(student)=mean(setOfData(:)); end ClassAverage = ClassAverage(1); Add the above line...

3 years ago | 0

Answered
Save .fig file as .eps file
plot(1:10) saveas(gcf,'Linechart','epsc')

3 years ago | 0

Answered
Subscript indices must either be real positive integers or logicals.
[XX,YY] = meshgrid(linspace((Lat1(minlat),(Lat1(maxlat),n),linspace((Lon1(minlon)),(Lon1(maxlon),n))

3 years ago | 0

Answered
How to make x-axis logarithmic for errorbar plot?
Use *semilogx* function

3 years ago | 0

Answered
Boxplot and Plot Overlay Problem
As you say, X, Y1 , Y2 are same size and since Y2 (c) is a vector with mean of each year, plot the graph using the unique va...

3 years ago | 0

Answered
Reynolds stress plot error
clear all; close all; clc; U_inf = 100; % free stream velocity in m/s L = 1; % plate length in m nu = 1.5e-5; % kinematic v...

3 years ago | 0

| accepted