Lines Matching refs:X

132     a = (1 + X) ^ 4;
133     assert(a == X^4+4*X^3+6*X^2+4*X+1);
135     r = (1 + X);
136     q = (1+X+X^2);
137     b = (1 - X^2);
143     a = 1 + 2*X + 3*X^2;
146     a = 1-2*X^2+2*X^3;
147     assert(deriv(a) == (6*X^2-4*X));
150     a = (X-1)*(X-2)*(X-3)*(X-4)*(X-0.1);
163     p = X^2 + X + 1;
164     a = PolyMod(3+X, p) ^ 10;
165     assert(a == PolyMod(-3725*X-18357, p));
167     a = PolyMod(1/X, 1+X^2);
168     assert(a == PolyMod(-X, X^2+1));
174     a = (X+1)/((X+1)*(X-1));
175     assert(a == 1/(X-1));
176     a = (X + 2) / (X - 2);
179     assert(deriv((X^2-X+1)/(X-1)) == (X^2-2*X)/(X^2-2*X+1));
185     a = 1+X+O(X^5);
187     assert(b == 1-X+X^2-X^3+X^4+O(X^5));
188     assert(deriv(b) == -1+2*X-3*X^2+4*X^3+O(X^4));
191     a = Series(1/(1-X), 5);
192     assert(a == 1+X+X^2+X^3+X^4+O(X^5));
196     assert(exp(3*X^2+O(X^10)) == 1+3*X^2+9/2*X^4+9/2*X^6+27/8*X^8+O(X^10));
197     assert(sin(X+O(X^6)) == X-1/6*X^3+1/120*X^5+O(X^6));
198     assert(cos(X+O(X^6)) == 1-1/2*X^2+1/24*X^4+O(X^6));
199     assert(tan(X+O(X^8)) == X+1/3*X^3+2/15*X^5+17/315*X^7+O(X^8));
200         assert((1+X+O(X^6))^(2+X) == 1+2*X+2*X^2+3/2*X^3+5/6*X^4+5/12*X^5+O(X^6));
220     assert(charpoly(Matrix.hilbert(4)) == X^4-176/105*X^3+3341/12600*X^2-41/23625*X+1/6048000);