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Star Strider


11.782 total contributions since 2012

Hic sunt dracones!

PROFESSIONAL: Physician (M.D.): Diplomate of the American Board of Internal Medicine; M.Sc. Biomedical Engineering: Instrumentation, Signal Processing, Control, System Identification, Parameter Estimation

NON-PROFESSIONAL: Amateur Extra Class Amateur Radio Operator; Private Pilot, Airplane Single Engine Land, Instrument Rating Airplane; Gamer

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Answered
Storing data for "for loop"
Try something like this: L0 = [1 2 3 4 5]; L10 = [2 3 4 5 6]; L20 = [0 9 2 3 4]; L = [L0; L10; L20]; x = 0:4; n = size(...

circa 9 ore ago | 1

| accepted

Answered
how to plot symbolic equation
That requires a bit of name-value pair arguments to the fcontour function. Try this: syms f(x,y) x y f(x,y) = x^2 + (3*y...

circa 10 ore ago | 0

| accepted

Answered
Cant run this script, trying to plot a graph, please help
My pleasure. When I did: D1 = load('PC3_DMSO_0.5uM_4c.mat') I got: D1 = struct with fields: PC3_TOFA_5uM_8:...

circa 15 ore ago | 0

Answered
Simplifiy function incorrect result?
You just need to tell simplify to keep simplifying: DetJa = simplify(detJa, 'Steps',500) producing: DetJa = l3*l4*sin(q3)...

circa 16 ore ago | 0

Answered
For with a 0.1 step
Indices must be integers greater than 0, or logicals. Try this: i=1:0.1:10; for k = 1:numel(i) theta=0; betha=1/...

circa 18 ore ago | 0

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Answered
Tangents to the curves
At what point do you want to plot the tangent? The usual approach is to use the gradient function to find the slope, then use...

circa 20 ore ago | 0

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Answered
How to connect the multi scatter?
I am not certain what reault you want. Try this: p=1:10; pone=randi(10,1,numel(p)); ptwo=randi(10,1,numel(p)); plot(p,po...

circa 22 ore ago | 0

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Answered
Jarque-Bera test!
Guessing here, since we don’t know what ‘x’ is. It appears that ‘x’ may be complex. If so, your best approach is likely to u...

circa 23 ore ago | 0

Answered
Undefined operator '-' for input arguments of type 'table'.
One option is to use the table2array (link) function to extract your table data to an array kstest can use.

circa 23 ore ago | 0

Answered
polyfit equation in scatter in matlab
Try this: text(min(xlim)+0.1*max(xlim), max(ylim)-0.1*max(ylim), sprintf('y = %.3f*x + %.3f', p)) % Top Left Corner Exper...

circa 23 ore ago | 0

Answered
Matlab as LaTeX interpreter?
To a limited extent at least, yes. See the text (link) documentation section on Interpreter (link).

1 giorno ago | 0

Answered
How to fix error using fread
Be sure you are using 'ubit1' and not 'ubitl'. It is not at all uncommon for people to use the lower-case ‘l’ instead of the ...

1 giorno ago | 0

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Answered
How to find a double integral
It is best to vectorize your function using element-wise operations, then create it as a function of the two variables, then use...

2 giorni ago | 0

Answered
Creating a piecewise sine function having different frequency components
Try this: Fs = 1000; t = linspace(0, 1, 1E+3)/Fs; % Time Vector (1 sec) f = 100:100:3...

2 giorni ago | 0

Answered
interp2 changes the value of pixels also
‘In my image the value of pixels are only 0, 1 , 2 , 3 but when I read the image I get after interp2 some values such as 2.67 ap...

2 giorni ago | 1

Answered
solving nonlinear equation by fsolve
You need to return ‘SI_sol’ from ‘singhandyu’, so declare it as: function [SI_sol] =singhandyu(P,Q,P5,lambda,Ts,fc) Also, 0 i...

2 giorni ago | 0

Answered
Substitute multiple values to array of expressions
The ‘x’ values are not ‘x1’, ‘x2’, ..., but ‘x(1)’, ‘x(2)’, ... Try this instead: q = subs(xs(1),{x(1),x(2),x(3),x(4)},{[0,...

2 giorni ago | 0

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Answered
Ode45 problem with equations
If your ‘f1’ function executes, then at least it is working. I get the impression that it is ‘stiff’, particularly because of...

2 giorni ago | 0

Answered
how to display final partial fraction
I am not certain what result you want. Use the poly (link) function to get polynomials from ‘R’, ‘P’ and ‘K’: nx=[1 -2 -5 6...

2 giorni ago | 0

Answered
I want to know how to plot the intersection of a 3D picture with a plane.
I am not certain what you want. Try these: x=-10:0.1:10; y=x; [x,y]=meshgrid(x,y); z=1-5*x.^2+3*y.^2+7*x.*y+4*x-9*y; ...

2 giorni ago | 1

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Answered
Why am I not getting the plot results?
Yopu need to use element-wise operations in these assignments: rpr1 = (cos(theta)/enpr - sqrt((e1-enpr^2*sin(theta).^2)/e1)) ...

2 giorni ago | 0

Answered
setting tolerance in lsqcurvefit
Bad fits with the nonlinear parameter estimation routines are most likely the result of either the model not correctly describin...

2 giorni ago | 0

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Answered
Mean of Matrix Rows
The row means would be calculated as the mean of dimension 2. Try this: A = rand(5); Anew = A - mean(A,2); Check = mean(A...

3 giorni ago | 0

Answered
difference between commands of CTFT and DTFT
If I understand your Question correctly, the Symbolic Math Toolbox fourier function computes the analytic Fourier transform of a...

3 giorni ago | 0

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Answered
How do I change the parameters and then evaluate the function again
First, you do not need the ’Pfunction’ function, since it simply returns ‘f’ as a function. Just use ’f’ directly. After tha...

3 giorni ago | 0

Answered
Patch Multiple Specified Colors
The simplest way is probably to define a colormap for the figure. Try this: X = [0 0; 0 0; 4 4]; Y = [0 4; 3 7; 0 4]; C =...

3 giorni ago | 0

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Answered
multiplying cell array with a matrix
You may want to do element-wise (array) multiplication rather than matrix multiplication. Try this: @(x)x.*matrix Note the...

3 giorni ago | 0

Answered
Matlab documentation in printed format
Downloading and printing the PDF Documentation (link) is likely the best you can hope for.

3 giorni ago | 1

Answered
plot3 error bars
The errorbar function is only defined for 2D plots. Here’s one approach to plotting errorbars with plot3: x = rand(10,1); ...

3 giorni ago | 0

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Answered
what is the solution of this error?
This assignment: t(1,:) = 20; creates a (1x1) value for ‘t’, so in this assignment: t(j+1) = 60*t(j,2)-59*t(j,1)+300; ‘t(j...

3 giorni ago | 0

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