Symbolic variables, expressions, functions, conversions between symbolic and numericSymbolic Math Toolbox™ enables you to perform symbolic computations from the MATLAB® command line by defining a special data type — symbolic objects. Functions are called using the familiar MATLAB syntax and are av...
Create two symbolic functions. symsf(x)g(x)f(x) = 2*x^2 - x; g(x) = 3*x^2 + 2*x; Combine the two symbolic functions into another symbolic functionh(x)with the data typesymfun. h(x) = [f(x); g(x)] h(x) =
error ''Expected either a logical, char, int, fi, single, or double. Found an mxArray. MxArrays are returned from calls to the MATLAB interpreter and are not supported inside expressions. They may only be used on the right-hand side of assignments and as arguments to extrinsic functions....
Symbolic functions accept array inputs. Calculateffor multiple values ofxandy. xVal = 1:5; yVal = 3:7; f(xVal,yVal) ans = [ 3, 16, 45, 96, 175] You can differentiate symbolic functions, integrate or simplify them, substitute their arguments with values, and perform other mathematical...
and functions. Using symbolic objects in computations indicates that MATLAB®must perform these computations analytically instead of numerically. Symbolic computations are exact and are not prone to round-off errors. For more details about symbolic objects, seeUse Symbolic Objects to Represent Mathematica...
Convert anonymous functions associated with MATLAB® handles to a symbolic expression and a symbolic matrix. Get h_expr = @(x)(sin(x) + cos(x)); sym_expr = sym(h_expr) sym_expr =cos(x)+sin(x) Get h_matrix = @(x)(x*pascal(3)); ...
symbolic scalar variables | symbolic functions | derivative functions Differentiation parameters, specified as symbolic scalar variables, symbolic functions, or derivative functions created using the diff function. Data Types: sym | symfun mvar— Differentiation parameter in the form of matrix symbolic matr...
Master MATLAB symbolic functions Build complex functions from simpler ones with our guide. Efficiently manipulate and compute symbolic expressions. Start le...
Rewrite the cotangent function in terms of the sine and cosine functions: rewrite(cot(x), 'sincos') ans = cos(x)/sin(x) Rewrite the cotangent function in terms of the exponential function: rewrite(cot(x), 'exp') ans = (exp(x*2i)*1i + 1i)/(exp(x*2i) - 1) ...
1.4 Symbolic Functions Use symbolic functions that accept symbolic inputs, such as $f(x,y)$. >>symsf(x,y)>>ff(x,y)=f(x,y) Assign a mathematical expression tof. >>f(x,y)=x^2*yf(x,y)=x^2*y>>ff(x,y)=x^2*y Find the value offat(3,2). ...