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Question

Non-linear Algebraic 36 equations unsloved

Hi forum I have 36 Non-linear Algebraic equations with 36 unknowns to find out. 'solve' comand failed. 'fsolve' comand requ...

1 month ago | 2 answers | 0

### 2

answersQuestion

contour plot required for this code

K = 0.5; M = 0.5; p1 = 0.01; p2 = 0.01; p3 = 0.0; Pr = 2; Ec = 0.05; Q = 0.05; D = 10; b = 0.05; Bi = 0.15; p2v = linspace(0,0...

2 months ago | 1 answer | 0

### 1

answerQuestion

ccdesign help to create this calculation

exp = ccdesign(3,'type','circumscribed'); exp(exp>=1) = 1; exp(exp<=-1) = - 1; EXP = subs(exp,{-1,0,1},vpa({0.01,0.02,0.03}));...

2 months ago | 1 answer | 0

### 1

answerSolved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 months ago

Question

Rewriting in columns of Excel sheet

%% After running the code for p1 = 0.01; p2 = 0.0; p3 = 0.0; %Matlab writes the calculations of 'Cf' and 'Nu' in an excel shee...

2 months ago | 1 answer | 0

### 1

answerQuestion

Extract a figure from a pdf file

pdfFile = "example.pdf" % String function extractImagePDF(pdfFile) import java.io.* import javax.imageio.ImageIO.* import or...

2 months ago | 0 answers | 0

### 0

answersQuestion

Can this code be rearranged to run successfully

% I got the following code from: https://in.mathworks.com/help/deeplearning/ug/solve-partial-differential-equations-using-deep-l...

4 months ago | 0 answers | 0

### 0

answersmatrix convertion needs modification

Here is the answer (attached pdf) to match the output.

4 months ago | 0

matrix convertion needs modification

Dear Matt J Your idea needs some modification for the following work, Please get into: ('0' is not coming) P = [T.p1 T.p2 T....

4 months ago | 0

MatLab does not reads Excel sheet properly

Sorry for the inconvinience. Here is the excel sheet attached. I want to run the code with variations of different parameters...

4 months ago | 0

Question

MatLab does not reads Excel sheet properly

status = mkdir('D:\PK90'); cd D:\PK90 filename = 'sample111.xlsx'; T = readtable(filename); P = 2*T.A + 3*T.B + 4*T.C + 5...

4 months ago | 1 answer | 0

### 1

answerQuestion

matrix convertion needs modification

I want to create a matrix with entries -1, 0, and 1 but it gives only -1 and 1, how to adjust x = [9 3.6 9; 11 3.6 9; 9 4...

5 months ago | 1 answer | 0

### 1

answerscientific notation convertion of coefficients of a polynomial

FM = regexprep(char(vpa(f)),'([0-9]+\.[0-9]+)','${num2str(str2num($1),''%e'')}') This is working.

5 months ago | 0

| accepted

Question

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...

5 months ago | 3 answers | 0

### 3

answersQuestion

Read Excel and write the output in same sheet in three columns

status = mkdir('D:\PK90'); cd D:\PK90 filename = 'sample.xlsx'; % path to your file, e.g., 'D:\PK79\Book1.xlsx' % read the ...

5 months ago | 2 answers | 0

### 2

answersQuestion

Read Excel and write output

R = xlsread('Book1.xlsx') %% Excel sheet (Book1.xlsx) is in 'D' drive A = 1; B = 2; C = 3; Nu = A*p1 + B*p2 + C*p3; I want Ma...

5 months ago | 2 answers | 0

### 2

answersQuestion

Can Matlab write the output directly in a word file

status = mkdir('D:\PK'); cd D:\PK syms y(t) a b eqn = diff(y,t,2) == a^2*y; Dy = diff(y,t); cond = [y(0)==b, Dy(0)==1]; ySo...

5 months ago | 2 answers | 0

### 2

answersQuestion

assemble it so that it will run

% this function estimates the correct value of a for big Pr cases function f=big_Pr(a) x0=[0 0 a(1) 1 a(2)]; [t,Y]=ode15s(...

5 months ago | 1 answer | 0

### 1

answerQuestion

Excel sheet work in specific column

status = mkdir('D:\PK7\kpk'); cd D:\PK7\kpk Fr = .1; M = .2; Kp = 0.50; lambda = 0.1; Nr = 0.1; Pr = 7; Rd = 0.5; Nb = 0.5; Nt ...

6 months ago | 1 answer | 0

### 1

answerQuestion

Need a space in strcat comand

V = [1 2 3 4 5]; strcat ('R = ', strjoin(string( V),', ')) I got the following answer while running the above code ...

6 months ago | 2 answers | 0

### 2

answersQuestion

Why do I receive the error while running the code?

coupled_dtm_bvp_solver() function coupled_dtm_bvp_solver syms x u(x) v(x) w(x) eq1 = diff(u, x, x, x) - u^2 + v - sin(w*x) ...

7 months ago | 1 answer | 0

### 1

answerQuestion

Want to save in a selected folder

%% Is it possible to save (.m fig) all the Figures (say 10 numbers) in a selected folder (say, D:\PKP) after running the code ...

7 months ago | 1 answer | 0

### 1

answerQuestion

import and export of excel sheet work

Fr = .1; M = .2; Kp = 0.50; lambda = 0.1; Nr = 0.1; Pr = 7; Rd = 0.5; Nb = 0.5; Nt = 0.5; H = 0.01; Ec = 0.01; Le = 2; Sr = 1;...

7 months ago | 1 answer | 0

### 1

answerQuestion

Can the arrow came directly following increasing OR decreasing behaviour of the curves

Fr = .1; M = .2; Kp = 0.50; lambda = 0.1; Nr = 0.1; Pr = 7; Rd = 0.5; Nb = 0.5; Nt = 0.5; H = 0.01; Ec = 0.01; Le = 2; Sr = 1;...

7 months ago | 1 answer | 0

### 1

answerQuestion

Equations and Boundary conditions are Unequal

%%% THe present code is of the attached (Model#02) pdf, need modification to run. %%% REFERENCE: This type of work was done in...

10 months ago | 1 answer | 0

### 1

answerQuestion

surf plot is required

A = 1; M = 1; Da = 0.1; L = 0.1; Pr = 1; Nb = 0.1; Nt = 0.5; s = 0.5; Le = 2; Kc = 1;B = 0.5;Lv = linspace(-2,2,100); for M = [...

11 months ago | 2 answers | 0

### 2

answersQuestion

Multiple facecolor in one fsurf plot

M = 1; m = 0.1; n = 3; Pr = 3; Ec = 0.1; N = 0.5; lp = 0.01; Bi = 0.5; wf = 100; om = 0.1; %w1 = 10; w2 = 10; syms w1 w2 for...

11 months ago | 1 answer | 0

### 1

answerQuestion

symbolic integration needed in the present code

syms h q x f(x) f0 f1(x) f2(x) f3(x) f = f0 + f1*q + f2*q.^2 + f3*q.^3; Eq0 = diff(f,x) - diff(f0,x); Eq1 = diff(f,x) - f^2; ...

2 years ago | 1 answer | 0

### 1

answerQuestion

dsolve problem gives error

M = 2; Kp = 5; Gr = 0.1; Gc = 0.1; L = 0.05; Pr = 1; S1 = 0.1; Sc = 0.78; Kc = 0.1; syms x f0(x) g0(x) h0(x) f(x) g(x) h(x) e...

2 years ago | 1 answer | 0

### 1

answerQuestion

What changes are needed to run the code

Psi = pi/2; L1 = 0.1; L2 = 0.1; L = 0.1; Pr = 1; M = 5; Ec = 0.5; Nb = 0.5; Nt = 0.1; fw = 0.5; Q = 0.1; Le = 2; Kc = 1; A = ...

2 years ago | 1 answer | 0