Problem with ordinary differental equation
I think what you're asking is how to go from symbolic to numeric form? Use the "subs" function to substitute symbolic values wit...

2 years ago | 0

| accepted

I want to solve this implicit derivative
Use "dsolve" : <https://www.mathworks.com/help/symbolic/dsolve.html?s_cid=ans2doc_man_link https://www.mathworks.com/help/symbol...

2 years ago | 0

Solve Difference Equations symbolically
Use dsolve: <https://www.mathworks.com/help/symbolic/dsolve.html?s_cid=ans2doc_man_link https://www.mathworks.com/help/symbolic/...

2 years ago | 0

MAtlab symbolic toolbox and removal of Mupad interface
Starting R2017a, units are available in MATLAB via Symbolic Math Toolbox. See: <https://www.mathworks.com/help/symbolic/units...

2 years ago | 0

how to use MATLAB units ?
Starting R2017a, units are available in MATLAB via Symbolic Math Toolbox. See: <https://www.mathworks.com/help/symbolic/units...

2 years ago | 1

| accepted

Why doesn't this code solve the equation?

2 years ago | 0

Display a variable and its units
Units are now in MATLAB if you have Symbolic Math Toolbox. Try this, and see the tutorial: <https://www.mathworks.com/help/symbo...

2 years ago | 0

| accepted

How to add units to a number and differentiate between different inputs
Units are now in MATLAB if you have Symbolic Math Toolbox. Try this, and see the tutorial: <https://www.mathworks.com/help/symbo...

2 years ago | 0

| accepted

how to set a unit to variable?
Units are now in MATLAB if you have Symbolic Math Toolbox. Try: >> u = symunit; >> x = 2*u.meter x = 2*[m] ...

2 years ago | 3

| accepted

Usage of roots and solve in MATLAB
1. To understand the difference between numeric and symbolic arithmetic, please see: <https://www.mathworks.com/help/symbolic/ch...

2 years ago | 1

| accepted

Jacobian of equation with left and right hand sides
Starting R2017a, The "lhs" and "rhs" functions are available. See: <https://www.mathworks.com/help/symbolic/lhs.html?s_cid=an...

2 years ago | 0

How to arrange equation variable on right and left hand side?
Starting R2017a, use the "isolate" function: <https://www.mathworks.com/help/symbolic/isolate.html?s_cid=ans2doc_man_link https:...

2 years ago | 2

How to plot the symbolic expression given by "root"
If I understand correctly, you're asking " _How can I automatically substitute values into a symbolic expression?_". Use the sub...

2 years ago | 0

Error using integral: A and B must be floating-point scalars
To represent integration with symbolic variables, use "int" instead of "integral". <https://www.mathworks.com/help/symbolic/i...

2 years ago | 0

Create a general function or script, where the user can specify the number of variables, which is both symbolic and possible to evaluate with fminunc?
* To use fminunc, first convert the Symbolic function to a MATLAB function using <https://www.mathworks.com/help/symbolic/matlab...

2 years ago | 0

Help with piecewise function? Can't use else/if?
If you have R2016b, you can just use the piecewise function: <https://www.mathworks.com/help/symbolic/piecewise.html?s_cid=ans2d...

2 years ago | 0

| accepted

How to define ranges for solutions in this example
To specify ranges for multiple variables, see the last example on <https://www.mathworks.com/help/symbolic/solve-equations-numer...

2 years ago | 1

| accepted

help to fix this numeric symbolic array
You can't have a "numeric symbolic" array because "numeric" and "symbolic" are different data types. For your options, see <http...

2 years ago | 0

Error using FEVAL Produced on an Attempt at calling fplot
First, a side note that you should format code in your posts: <https://www.mathworks.com/matlabcentral/answers/13205-tutorial-ho...

2 years ago | 1

| accepted

How to convert strings to symbolic expressions without sym()?
Why do you need to convert strings to symbolic expressions? EDIT: Starting R2017b, use <https://www.mathworks.com/help/symbolic/...

2 years ago | 1

How do I convert a string input to an executable equation?
For symbolic equations, starting R2017b, use <https://www.mathworks.com/help/symbolic/str2sym.html?s_cid=ans2doc_man_link str2sy...

2 years ago | 0

How can I compute Jacobi Elliptic Functions in Matlab where the modulus is > 1?
Starting R2017b, all Jacobi Elliptic functions in MATLAB with Symbolic Math Toolbox. Example: >> jacobiCD(1,3) ans = ...

2 years ago | 0

| accepted

How to calculate imaginary part of incomplete gamma function in matlab.
You can find "gammainc" for imaginary input values using the Symbolic "igamma" function. Carefully read the note in the "Descrip...

2 years ago | 1

| accepted

symbolic evaluation where function is obtained from user input text
Starting R2017b, use <https://www.mathworks.com/help/symbolic/str2sym.html?s_cid=ans2doc_man_link str2sym>. >> prompt = 'in...

2 years ago | 1

| accepted

Matlab Numerical integral improvement
Updated answer for R2017b. Use <https://www.mathworks.com/help/symbolic/int.html?s_cid=ans2doc_man_link int> and convert the sym...

2 years ago | 1

| accepted

Numerical values of integrals
Use "vpaintegral" introduced in 16b: <https://www.mathworks.com/help/symbolic/vpaintegral.html?s_cid=ans2doc_man_link https://ww...

2 years ago | 2

symb toolbox newby?

2 years ago | 0

Symbolic math solve numeric approximation
Question: When does the Symbolic Math "solve" statement try to find a numeric approximation? "solve" tries to find a symbolic...

2 years ago | 0

How to combine numerator and denominator in original form
The answer is in this example on the sym doc page: <https://www.mathworks.com/help/symbolic/sym.html#bu7u7ur-6?s_cid=ans2doc_man...

2 years ago | 0

| accepted