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I keep installing the Matlab MIN GW 5.3 compiler for Matlab 2017b, but it is showing as uninstalled. HELP
You have Visual Studio redistributable installed. You need Visual Studio C++ 2017 (any edition), or Visual Studio C++ 2015 (Prof...

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How to solve Simultaneous equations
sympref('FloatingPointOutput',0); syms x y eqn1 = 4*x - 3*y == 0 eqn2 = 3*x + 2*y == 4 sol = solve([eqn1, eqn2])

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readtable csv with one column containing a field with commas
readtable(Logic_file, 'ReadVariableNames', true, 'Format', '%d%d%f%s%s%d%[^\n]','EmptyValue',0); This will handle columns with ...

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Not getting a full image from raw data
x_range = min(x):max(x); y_range = min(y):max(y); That code assumes that most of the x and y are integers (or at least integer...

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Last color on legend does not match last color on stem plot, after manually setting color in for loops.
for n = 2:9 stem(n-1,y(n+1),'LineWidth',2.0, 'Color','#77AC30') end That generates multiple plot objects, each with green...

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How do I solve a system using rkf45 method with shooing technique?
[eta, y] = ode45(@(eta, y) ode_system(eta, y, A1, A2, A3, A4, K_p, beta, Pr, k_f, k_hnf, Q, Ec), [0 eta_end], y0, options); ver...

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Not Enough Input Arguments
You tried to run the function by pressing the green Run button. Pressing the Run button has the effect of running the code witho...

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What changes should i have to make in my code to remove the error ("Error using contourf Z must be at least a 2x2 matrix.")
su = round(4*d/g)+1 ; Not enough information is given to be sure, but it looks like su is a scalar. If it is not a scalar, th...

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Someone that works with symbolic variables?
When k = 4, size(char(sM1)) ans = 1 945926142 and it takes numerous minutes just to calculate the char(sM1...

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I want show population on plot like 36M, 37M....
Alternate solution: P = [3.6e7, 3.8e7, 4.1e7, 4.5e7, 5.0e7]; % just making up some numbers t = 1970:10:2010; ax = gca; plot(...

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Does Matlab automatically vectorize for loops?
Years ago, I recall reading that Matlab automatically vectorizes for loops. I cannot find any such mentions now. Is this just ...

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I am very new to MATLAB but I have to deliver an assignment. How do I solve matrix dimension issue in line 10 and 11.
Your ldf is 39360 x 1. Your ql is 1 x 3936. Select rows and columns out of those and you get 1 x 1 and 1 x 1. Use * to multiply ...

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ERROR: Error using {} Variable index exceeds table dimensions. How to apply function to all cells/tables?
first_table = results_velocity_diff{1, 1}; % Initialize a cell array to store the results results = cell(1, width(first_table)...

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Why I can't plot x = years , y = GDP
GDP.("YEARS") retrieves the field Years from the GDP object, and displays the result (because you have no semi-colon on the lin...

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Incosistency Precision Value (decimal double) When using strcmpi/contains
By default, string() of a double precision number gives a result to 5 digits of precision. a = 0.367265 string(a) To get more...

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Hypergeometric functions(1F2) in matlab
In MATLAB, some of the parameters are implicit according to the length of the other parameters. function result = hypegeo(q, r)...

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convert double to signed int
Depending on how the input is stated... value = 0x9C40s16

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integral of the besselj function
syms nu x result = int(besselj(nu, x), x, 0, 4*sym(pi)) Bessel J is a family of functions, distinguished by the value. You ca...

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I have purchased the Signal Processing Toolbox but still get an error when trying to use a function
Depending exactly how you install the toolbox, situations can arise where a toolbox is installed but the license is not updated....

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Make only the highest values of grayscale image transparent
image(BackgroundImage); imageMax = max(YourGrayscaleImage(:)); alphaMask = double(YourGraycaleImage == imageMax); hold on ...

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Are functions called in parfor independent from each other
No, there will be a difference. Linear for loop uses a single random number stream (unless you deliberately change this.) parf...

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One function is greater than other
Q = @(v) sym(v); syms z real assume(z > exp(1)) % Define the function f = z - Q(802)/Q(10)^2 * log(z) == (Q(3359)/Q(10)^3...

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MATLab does not solve for my variable and only solves the root of the equation
syms a H Q x y z b c d e f g h eqn = x + y*a + z*H + b*a^2 + c*H^2 + d*a^3 + e*H^3 + f*a*H + g*a^2*H + h*a*H^2 == Q; solutions...

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matlab serialport in s-function error with Undefined function 'write' for input arguments of type 'string'
You do not initialize serialObj within the same scope as the persistent declaration. You end up passing empty serialObj everywhe...

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in y axis i want 10^(-2000). can anyone plz help
1e-2000 would underflow to 0. You can only use such a number symbolically... but symbolic numbers cannot be used as limits. Y...

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What are the possible reasons for data jumps in the plot?
Q = @(v) sym(v); Pi = Q(pi); A0 = Q(15207)/Q(10)^4; A1 = Q(0853721)/Q(10)^6-Q(1816893)/Q(10)^6*1i; A2 = Q(1); th = ...

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Why License Manager Error -9,57 if the username MatLicence/Window is the same?
You have to use the Windows internal username, not the Windows Live email address. https://www.mathworks.com/matlabcentral/answ...

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calculate the area of the black colored objectes in a image
stats = regionprops(YOUR_BW_IMAGE, 'Area'); areas = [stats.area]; total_area = sum(areas);

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Matlab ODE Solvers - Paramater Question
To pass an additional parameter, use http://www.mathworks.com/help/matlab/math/parameterizing-functions.html However... for the...

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Can't read external drives
System Preferences --> Privacy & Security --> Full Disk Access Click on the "+" at the bottom middle . Authenticate. Select /Ap...

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